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#21 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails
On Sun, 06 Jan 2008 00:06:38 -0500, Bit Twister <BitTwister@mouse-potato.com> wrote:
> ** server can't find wb.home.bogus: NXDOMAIN > > # head -18 /var/lib/named/var/named/master/home.zone > $TTL 1D > > @ IN SOA localhost. root.localhost ( > 2008010501 ; Serial num yyymmddnn > 1D ; Refresh > 6H ; Retry > 1W ; Expire > 1H ; Minimum TTL > ) > ; DNS Servers > IN NS ns1.home.bogus. Change the above to ns1, not ns1.home.bogus. I Don't remember exactly what I changed, but if you copy the complete files from my prior article, they work on my system. Regards, Dave Hodgins -- Change nomail.afraid.org to ody.ca to reply by email. (nomail.afraid.org has been set up specifically for use in usenet. Feel free to use it yourself.) |
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#22 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails
Bit Twister wrote:
> On Sat, 05 Jan 2008 20:41:06 -0500, David W. Hodgins wrote: >> On Sat, 05 Jan 2008 18:20:11 -0500, >> Bit Twister <BitTwister@mouse-potato.com> wrote: >> >> >> Change as follows, >> >> In /var/lib/named/etc/named.conf ... >> zone "bogus.home" IN { > > Well duh, 4 hours sleep a day for the past 4 days working the leafnode > and dns problems has not helped. ![]() snip.... You helped me out a few times, so let me try to return the favor. Back in MDK9.2 I got DNS working by manually fiddling the files. Apparently now (2007.0 for me), these old files do not work anymore, so I just used MCC - Network Services - DNS server, and it works!!!! The only problem I have with this tool is that it gives very little feedback (first define a server, then add hosts one by one), and it DOES NOT RESTART named , so you have to do that yourself after finishing your changes. Herman Viaene -- Veel mensen danken hun goed geweten aan hun slecht geheugen. (G. Bomans) Lots of people owe their good conscience to their bad memory (G. Bomans) |
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#23 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails SOLUTION
On Sun, 06 Jan 2008 10:18:34 +0100, wrote:
> Back in MDK9.2 I got DNS working by manually fiddling the files. Apparently > now (2007.0 for me), these old files do not work anymore, so I just used > MCC - Network Services - DNS server, and it works!!!! > > The only problem I have with this tool is that it gives very little feedback > (first define a server, then add hosts one by one), and it DOES NOT RESTART > named , so you have to do that yourself after finishing your changes. Tried, your suggestion, and was not about to add 20+ hosts, so I edited the forward and reverse files. Did a service named restart and found out named would not shutdown. ![]() Sorry I did not keep the message. It was misleading as to the problem. It was 5 am and was I chapped at yet another alligator biting my tail. chkconfig --del named reboot urpme bind urpmi bind --auto My forward/reverse files look as follows: $ head -17 /var/lib/named/var/named/master/home.zone $TTL 1D @ IN SOA wb.home.bogus. admin.wb.home.bogus. ( 2008010601 ; Serial num yyymmddnn 1D ; Refresh 6H ; Retry 1W ; Expire 1H ; Minimum TTL ) ; DNS Servers IN NS wb.home.bogus. ; ; Machine Names localhost A 127.0.0.1 dnsmaster IN CNAME wb.home.bogus. fw.home.bogus. IN A 192.168.1.11 wb.home.bogus. IN A 192.168.1.130 beta.home.bogus. IN A 192.168.1.131 $ head -14 /var/lib/named/var/named/reverse/home.reversed $TTL 1D @ IN SOA wb.home.bogus. wb.home.bogus.( 2008010601 ; Serial num yyymmddnn 8H ; Refresh 4H ; Retry 1W ; Expire 1D ; Minimum TTL ) ; NS wb.home.bogus. ; Machine Ip addresses 11 IN PTR fw.home.bogus. 130 IN PTR wb.home.bogus. 131 IN PTR beta.home.bogus. Here is my install procedure and script to automagically generate the 2 files. Note: I am using OpenDNS.com name servers in forwarders. Upside, the protect you from phishing scams by blocking the fraudulent sites from resolving on your network. Downside, They return 208.69.32.170 on a not found: 3(NXDOMAIN) Here is a snippet from /etc/hosts $ head -4 /etc/hosts 127.0.0.1 localhost.localdomain localhost 192.168.1.11 fw.home.bogus fw 192.168.1.130 wb.home.bogus wb 192.168.1.131 beta.home.bogus beta $ cat /local/doc/bind_install.txt #************************************************* ************* #* #* bind_install.txt - steps to install/setup bind for #* Mandriva Linux 2008.0 in a 192.168.1.x LAN #* #************************************************* ************* exit 0 # just in case a newbie tries to run this as a script As a user, click up a terminal and login as root as follows: su - root alias edt=gedit #************************************** #* install bind and update locate database #************************************** urpmi --wget bind --auto /etc/cron.daily/mlocate.cron cp /var/lib/named/etc/named.conf /var/lib/named/etc/named.conf_orig #************************************************* #* modify named's config to use opendns DNS servers #* and add our zone files #************************************************* * edt /var/lib/named/etc/named.conf And find forwarders and add/change these // DNS servers forwarders { 208.67.222.222; 208.67.220.220; }; And append these zones to the bottom: zone "home.bogus" IN { type master; file "master/home.zone"; allow-update { none; }; }; zone "1.168.192.in-addr.arpa" IN { type master; file "reverse/home.reversed"; allow-update { none; }; }; Click Save, Quit #************************************************* #* assuming eth0 is the LAN nic, #* set eth0's DNS1 to use our node's DNS resolver #************************************************* * hostname --ip-address edt /etc/sysconfig/network-scripts/ifcfg-eth0 and set DNS1=value_from_above_hostname_command Click Save, Quit #************************************************* ************* #* create /etc/resolv.conf with node's ip address #* and add search line. #* #* Note: If you want to add extra nameserver values #* add them above the echo "search $(hostname --domain)" line #************************************************* ************** /bin/cp /etc/resolvconf/resolv.conf.d/head /etc/resolv.conf echo "nameserver $(hostname --ip-address)" >> /etc/resolv.conf echo "search $(hostname --domain)" >> /etc/resolvconf/resolv.conf.d/tail cat /etc/resolvconf/resolv.conf.d/tail >> /etc/resolv.conf #************************************************* **************** #* Use /etc/hosts to generate zone files, restart named, and test #************************************************* **************** /local/bin/set_home_zone #*********** end bind_install.txt ***************************************** $ cat /local/bin/set_home_zone #!/bin/bash #************************************************* ****************** #* #* set_home_zone - create named/bind home.(zone/reverse) files #* from /etc/hosts #* #* Note: _out_fn names have to match zone names in /etc/named.conf #* #* set_home_zone expects your /etc/hosts to look something like #* #* $ head -4 /etc/hosts #* 127.0.0.1 localhost.localdomain localhost #* 192.168.1.11 fw.home.invalid fw #* 192.168.1.130 wb.home.invalid wb #* 192.168.1.131 beta.home.invalid beta #* #* and names do not contain an underscore #* #* See #* #* Assume you have followed /local/doc/bind_install.txt #* and have the xmessage package installed. #************************************************* ****************** _debug=0 # 0=production 1=check/testing _exe=$0 _log_fn=$(echo /tmp/$(basename $_exe).log) _time_out="-timeout 16" #************************************* #* get this node's domain, tld2, #* name and ip #************************************* _dom=$(hostname --domain) _ns=$(hostname --fqdn) _alias=$(hostname --alias) set -- $(IFS='.'; echo $_dom) _tld2=$2 set -- $(echo "$(grep $_ns /etc/hosts)") _ns_ip=$1 _zone_loc=/var/lib/named/var/named/master _zone_fn=home.zone _rev_loc=/var/lib/named/var/named/reverse _rev_fn=home.reversed if [ $_debug -gt 0 ] ; then # we create files in our account _zone_loc=$PWD # for testing _rev_loc=$PWD _time_out="-timeout 6" fi #************************************* #* build forward zone #************************************* _out_fn=$_zone_loc/$_zone_fn echo "\$TTL 1D @ IN SOA ${_ns}. admin.${_ns}. ( $(date +%Y%m%d)01 ; Serial num yyymmddnn 1D ; Refresh 6H ; Retry 1W ; Expire 1H ; Minimum TTL ) ; DNS Servers IN NS ${_ns}. ; ; Machine Names localhost A 127.0.0.1 dnsmaster IN CNAME ${_ns}." > $_out_fn while read line do eval set -- $line _ip=$1 if [ "${_ip:0:3}" = "192" ] ; then printf "%s.\t\tIN\tA\t%s\n" $2 $1 >> $_out_fn fi done < /etc/hosts chmod 644 $_out_fn #************************************* #* build reverse zone #************************************* _out_fn=$_rev_loc/$_rev_fn echo "\$TTL 1D @ IN SOA ${_ns}. ${_ns}.( $(date +%Y%m%d)01 ; Serial num yyymmddnn 8H ; Refresh 4H ; Retry 1W ; Expire 1D ; Minimum TTL ) ; NS ${_ns}. ; Machine Ip addresses " > $_out_fn while read line do eval set -- $line _fq=$2 set -- $(IFS='.'; echo $1) if [ "$2" = "168" ] ; then printf "%s\tIN\tPTR\t%s.\n" $4 $_fq >> $_out_fn fi done < /etc/hosts chmod 644 $_out_fn #************************************* #* test results #************************************* if [ $_debug -eq 0 ] ; then _cmd="named-checkconf -t /var/lib/named /etc/named.conf" echo "# $_cmd " $_cmd > $_log_fn if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn xmessage $_time_out-display :0 -file $_log_fn & fi cat $_log_fn printf "\n# service named restart\n" service named restart printf "\n# nslookup $(hostname --fqdn )\n" nslookup $(hostname --fqdn) printf "\n# nslookup $(hostname --alias)\n" nslookup $(hostname --alias) printf "\n# nslookup $_ns_ip\n" nslookup $_ns_ip fi _cmd="named-checkzone -t $_zone_loc ${_dom} $_zone_fn" echo "# $_cmd " $_cmd > $_log_fn if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn echo "$_zone_loc/$_zone_fn" >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & fi cat $_log_fn printf "\n# cat -n %s/%s\n" $_zone_loc $_zone_fn cat -n $_zone_loc/$_zone_fn _cmd="named-checkzone -t $_rev_loc 1.168.192.in-addr.arpa $_rev_fn" echo "$ $_cmd" $_cmd > $_log_fn 2>&1 if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn echo "$_zone_loc/$_rev_fn" >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & fi cat $_log_fn printf "\n$ cat -n %s/%s\n" $_rev_loc $_rev_fn cat -n $_rev_loc/$_rev_fn _cmd="grep ${_dom} /etc/named.conf" _cnt=$($_cmd | grep -c { ) if [ $_cnt -ne 1 ] ; then echo "ERROR: " > $_log_fn echo "/etc/named.conf does not contain a" >> $_log_fn echo "zone \"${_dom}\" IN {" >> $_log_fn echo "stanza" >> $_log_fn echo " " >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & cat $_log_fn fi /bin/rm -f $_log_fn #**************** end set_home_zone ***************** |
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#24 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails SOLUTION
On Sun, 06 Jan 2008 10:18:34 +0100, wrote:
> Back in MDK9.2 I got DNS working by manually fiddling the files. Apparently > now (2007.0 for me), these old files do not work anymore, so I just used > MCC - Network Services - DNS server, and it works!!!! > > The only problem I have with this tool is that it gives very little feedback > (first define a server, then add hosts one by one), and it DOES NOT RESTART > named , so you have to do that yourself after finishing your changes. Tried, your suggestion, and was not about to add 20+ hosts, so I edited the forward and reverse files. Did a service named restart and found out named would not shutdown. ![]() Sorry I did not keep the message. It was misleading as to the problem. It was 5 am and was I chapped at yet another alligator biting my tail. chkconfig --del named reboot urpme bind urpmi bind --auto My forward/reverse files look as follows: $ head -17 /var/lib/named/var/named/master/home.zone $TTL 1D @ IN SOA wb.home.bogus. admin.wb.home.bogus. ( 2008010601 ; Serial num yyymmddnn 1D ; Refresh 6H ; Retry 1W ; Expire 1H ; Minimum TTL ) ; DNS Servers IN NS wb.home.bogus. ; ; Machine Names localhost A 127.0.0.1 dnsmaster IN CNAME wb.home.bogus. fw.home.bogus. IN A 192.168.1.11 wb.home.bogus. IN A 192.168.1.130 beta.home.bogus. IN A 192.168.1.131 $ head -14 /var/lib/named/var/named/reverse/home.reversed $TTL 1D @ IN SOA wb.home.bogus. wb.home.bogus.( 2008010601 ; Serial num yyymmddnn 8H ; Refresh 4H ; Retry 1W ; Expire 1D ; Minimum TTL ) ; NS wb.home.bogus. ; Machine Ip addresses 11 IN PTR fw.home.bogus. 130 IN PTR wb.home.bogus. 131 IN PTR beta.home.bogus. Here is my install procedure and script to automagically generate the 2 files. Note: I am using OpenDNS.com name servers in forwarders. Upside, the protect you from phishing scams by blocking the fraudulent sites from resolving on your network. Downside, They return 208.69.32.170 on a not found: 3(NXDOMAIN) Here is a snippet from /etc/hosts $ head -4 /etc/hosts 127.0.0.1 localhost.localdomain localhost 192.168.1.11 fw.home.bogus fw 192.168.1.130 wb.home.bogus wb 192.168.1.131 beta.home.bogus beta $ cat /local/doc/bind_install.txt #************************************************* ************* #* #* bind_install.txt - steps to install/setup bind for #* Mandriva Linux 2008.0 in a 192.168.1.x LAN #* #************************************************* ************* exit 0 # just in case a newbie tries to run this as a script As a user, click up a terminal and login as root as follows: su - root alias edt=gedit #************************************** #* install bind and update locate database #************************************** urpmi --wget bind --auto /etc/cron.daily/mlocate.cron cp /var/lib/named/etc/named.conf /var/lib/named/etc/named.conf_orig #************************************************* #* modify named's config to use opendns DNS servers #* and add our zone files #************************************************* * edt /var/lib/named/etc/named.conf And find forwarders and add/change these // DNS servers forwarders { 208.67.222.222; 208.67.220.220; }; And append these zones to the bottom: zone "home.bogus" IN { type master; file "master/home.zone"; allow-update { none; }; }; zone "1.168.192.in-addr.arpa" IN { type master; file "reverse/home.reversed"; allow-update { none; }; }; Click Save, Quit #************************************************* #* assuming eth0 is the LAN nic, #* set eth0's DNS1 to use our node's DNS resolver #************************************************* * hostname --ip-address edt /etc/sysconfig/network-scripts/ifcfg-eth0 and set DNS1=value_from_above_hostname_command Click Save, Quit #************************************************* ************* #* create /etc/resolv.conf with node's ip address #* and add search line. #* #* Note: If you want to add extra nameserver values #* add them above the echo "search $(hostname --domain)" line #************************************************* ************** /bin/cp /etc/resolvconf/resolv.conf.d/head /etc/resolv.conf echo "nameserver $(hostname --ip-address)" >> /etc/resolv.conf echo "search $(hostname --domain)" >> /etc/resolvconf/resolv.conf.d/tail cat /etc/resolvconf/resolv.conf.d/tail >> /etc/resolv.conf #************************************************* **************** #* Use /etc/hosts to generate zone files, restart named, and test #************************************************* **************** /local/bin/set_home_zone #*********** end bind_install.txt ***************************************** $ cat /local/bin/set_home_zone #!/bin/bash #************************************************* ****************** #* #* set_home_zone - create named/bind home.(zone/reverse) files #* from /etc/hosts #* #* Note: _out_fn names have to match zone names in /etc/named.conf #* #* set_home_zone expects your /etc/hosts to look something like #* #* $ head -4 /etc/hosts #* 127.0.0.1 localhost.localdomain localhost #* 192.168.1.11 fw.home.invalid fw #* 192.168.1.130 wb.home.invalid wb #* 192.168.1.131 beta.home.invalid beta #* #* and names do not contain an underscore #* #* See #* #* Assume you have followed /local/doc/bind_install.txt #* and have the xmessage package installed. #************************************************* ****************** _debug=0 # 0=production 1=check/testing _exe=$0 _log_fn=$(echo /tmp/$(basename $_exe).log) _time_out="-timeout 16" #************************************* #* get this node's domain, tld2, #* name and ip #************************************* _dom=$(hostname --domain) _ns=$(hostname --fqdn) _alias=$(hostname --alias) set -- $(IFS='.'; echo $_dom) _tld2=$2 set -- $(echo "$(grep $_ns /etc/hosts)") _ns_ip=$1 _zone_loc=/var/lib/named/var/named/master _zone_fn=home.zone _rev_loc=/var/lib/named/var/named/reverse _rev_fn=home.reversed if [ $_debug -gt 0 ] ; then # we create files in our account _zone_loc=$PWD # for testing _rev_loc=$PWD _time_out="-timeout 6" fi #************************************* #* build forward zone #************************************* _out_fn=$_zone_loc/$_zone_fn echo "\$TTL 1D @ IN SOA ${_ns}. admin.${_ns}. ( $(date +%Y%m%d)01 ; Serial num yyymmddnn 1D ; Refresh 6H ; Retry 1W ; Expire 1H ; Minimum TTL ) ; DNS Servers IN NS ${_ns}. ; ; Machine Names localhost A 127.0.0.1 dnsmaster IN CNAME ${_ns}." > $_out_fn while read line do eval set -- $line _ip=$1 if [ "${_ip:0:3}" = "192" ] ; then printf "%s.\t\tIN\tA\t%s\n" $2 $1 >> $_out_fn fi done < /etc/hosts chmod 644 $_out_fn #************************************* #* build reverse zone #************************************* _out_fn=$_rev_loc/$_rev_fn echo "\$TTL 1D @ IN SOA ${_ns}. ${_ns}.( $(date +%Y%m%d)01 ; Serial num yyymmddnn 8H ; Refresh 4H ; Retry 1W ; Expire 1D ; Minimum TTL ) ; NS ${_ns}. ; Machine Ip addresses " > $_out_fn while read line do eval set -- $line _fq=$2 set -- $(IFS='.'; echo $1) if [ "$2" = "168" ] ; then printf "%s\tIN\tPTR\t%s.\n" $4 $_fq >> $_out_fn fi done < /etc/hosts chmod 644 $_out_fn #************************************* #* test results #************************************* if [ $_debug -eq 0 ] ; then _cmd="named-checkconf -t /var/lib/named /etc/named.conf" echo "# $_cmd " $_cmd > $_log_fn if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn xmessage $_time_out-display :0 -file $_log_fn & fi cat $_log_fn printf "\n# service named restart\n" service named restart printf "\n# nslookup $(hostname --fqdn )\n" nslookup $(hostname --fqdn) printf "\n# nslookup $(hostname --alias)\n" nslookup $(hostname --alias) printf "\n# nslookup $_ns_ip\n" nslookup $_ns_ip fi _cmd="named-checkzone -t $_zone_loc ${_dom} $_zone_fn" echo "# $_cmd " $_cmd > $_log_fn if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn echo "$_zone_loc/$_zone_fn" >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & fi cat $_log_fn printf "\n# cat -n %s/%s\n" $_zone_loc $_zone_fn cat -n $_zone_loc/$_zone_fn _cmd="named-checkzone -t $_rev_loc 1.168.192.in-addr.arpa $_rev_fn" echo "$ $_cmd" $_cmd > $_log_fn 2>&1 if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn echo "$_zone_loc/$_rev_fn" >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & fi cat $_log_fn printf "\n$ cat -n %s/%s\n" $_rev_loc $_rev_fn cat -n $_rev_loc/$_rev_fn _cmd="grep ${_dom} /etc/named.conf" _cnt=$($_cmd | grep -c { ) if [ $_cnt -ne 1 ] ; then echo "ERROR: " > $_log_fn echo "/etc/named.conf does not contain a" >> $_log_fn echo "zone \"${_dom}\" IN {" >> $_log_fn echo "stanza" >> $_log_fn echo " " >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & cat $_log_fn fi /bin/rm -f $_log_fn #**************** end set_home_zone ***************** |
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#25 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails
Bit Twister wrote:
> On Sat, 05 Jan 2008 20:41:06 -0500, David W. Hodgins wrote: >> On Sat, 05 Jan 2008 18:20:11 -0500, >> Bit Twister <BitTwister@mouse-potato.com> wrote: >> >> >> Change as follows, >> >> In /var/lib/named/etc/named.conf ... >> zone "bogus.home" IN { > > Well duh, 4 hours sleep a day for the past 4 days working the leafnode > and dns problems has not helped. ![]() snip.... You helped me out a few times, so let me try to return the favor. Back in MDK9.2 I got DNS working by manually fiddling the files. Apparently now (2007.0 for me), these old files do not work anymore, so I just used MCC - Network Services - DNS server, and it works!!!! The only problem I have with this tool is that it gives very little feedback (first define a server, then add hosts one by one), and it DOES NOT RESTART named , so you have to do that yourself after finishing your changes. Herman Viaene -- Veel mensen danken hun goed geweten aan hun slecht geheugen. (G. Bomans) Lots of people owe their good conscience to their bad memory (G. Bomans) |
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#26 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails
On Sun, 06 Jan 2008 00:06:38 -0500, Bit Twister <BitTwister@mouse-potato.com> wrote:
> ** server can't find wb.home.bogus: NXDOMAIN > > # head -18 /var/lib/named/var/named/master/home.zone > $TTL 1D > > @ IN SOA localhost. root.localhost ( > 2008010501 ; Serial num yyymmddnn > 1D ; Refresh > 6H ; Retry > 1W ; Expire > 1H ; Minimum TTL > ) > ; DNS Servers > IN NS ns1.home.bogus. Change the above to ns1, not ns1.home.bogus. I Don't remember exactly what I changed, but if you copy the complete files from my prior article, they work on my system. Regards, Dave Hodgins -- Change nomail.afraid.org to ody.ca to reply by email. (nomail.afraid.org has been set up specifically for use in usenet. Feel free to use it yourself.) |
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#27 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails SOLUTION
On Sun, 06 Jan 2008 10:18:34 +0100, wrote:
> Back in MDK9.2 I got DNS working by manually fiddling the files. Apparently > now (2007.0 for me), these old files do not work anymore, so I just used > MCC - Network Services - DNS server, and it works!!!! > > The only problem I have with this tool is that it gives very little feedback > (first define a server, then add hosts one by one), and it DOES NOT RESTART > named , so you have to do that yourself after finishing your changes. Tried, your suggestion, and was not about to add 20+ hosts, so I edited the forward and reverse files. Did a service named restart and found out named would not shutdown. ![]() Sorry I did not keep the message. It was misleading as to the problem. It was 5 am and was I chapped at yet another alligator biting my tail. chkconfig --del named reboot urpme bind urpmi bind --auto My forward/reverse files look as follows: $ head -17 /var/lib/named/var/named/master/home.zone $TTL 1D @ IN SOA wb.home.bogus. admin.wb.home.bogus. ( 2008010601 ; Serial num yyymmddnn 1D ; Refresh 6H ; Retry 1W ; Expire 1H ; Minimum TTL ) ; DNS Servers IN NS wb.home.bogus. ; ; Machine Names localhost A 127.0.0.1 dnsmaster IN CNAME wb.home.bogus. fw.home.bogus. IN A 192.168.1.11 wb.home.bogus. IN A 192.168.1.130 beta.home.bogus. IN A 192.168.1.131 $ head -14 /var/lib/named/var/named/reverse/home.reversed $TTL 1D @ IN SOA wb.home.bogus. wb.home.bogus.( 2008010601 ; Serial num yyymmddnn 8H ; Refresh 4H ; Retry 1W ; Expire 1D ; Minimum TTL ) ; NS wb.home.bogus. ; Machine Ip addresses 11 IN PTR fw.home.bogus. 130 IN PTR wb.home.bogus. 131 IN PTR beta.home.bogus. Here is my install procedure and script to automagically generate the 2 files. Note: I am using OpenDNS.com name servers in forwarders. Upside, the protect you from phishing scams by blocking the fraudulent sites from resolving on your network. Downside, They return 208.69.32.170 on a not found: 3(NXDOMAIN) Here is a snippet from /etc/hosts $ head -4 /etc/hosts 127.0.0.1 localhost.localdomain localhost 192.168.1.11 fw.home.bogus fw 192.168.1.130 wb.home.bogus wb 192.168.1.131 beta.home.bogus beta $ cat /local/doc/bind_install.txt #************************************************* ************* #* #* bind_install.txt - steps to install/setup bind for #* Mandriva Linux 2008.0 in a 192.168.1.x LAN #* #************************************************* ************* exit 0 # just in case a newbie tries to run this as a script As a user, click up a terminal and login as root as follows: su - root alias edt=gedit #************************************** #* install bind and update locate database #************************************** urpmi --wget bind --auto /etc/cron.daily/mlocate.cron cp /var/lib/named/etc/named.conf /var/lib/named/etc/named.conf_orig #************************************************* #* modify named's config to use opendns DNS servers #* and add our zone files #************************************************* * edt /var/lib/named/etc/named.conf And find forwarders and add/change these // DNS servers forwarders { 208.67.222.222; 208.67.220.220; }; And append these zones to the bottom: zone "home.bogus" IN { type master; file "master/home.zone"; allow-update { none; }; }; zone "1.168.192.in-addr.arpa" IN { type master; file "reverse/home.reversed"; allow-update { none; }; }; Click Save, Quit #************************************************* #* assuming eth0 is the LAN nic, #* set eth0's DNS1 to use our node's DNS resolver #************************************************* * hostname --ip-address edt /etc/sysconfig/network-scripts/ifcfg-eth0 and set DNS1=value_from_above_hostname_command Click Save, Quit #************************************************* ************* #* create /etc/resolv.conf with node's ip address #* and add search line. #* #* Note: If you want to add extra nameserver values #* add them above the echo "search $(hostname --domain)" line #************************************************* ************** /bin/cp /etc/resolvconf/resolv.conf.d/head /etc/resolv.conf echo "nameserver $(hostname --ip-address)" >> /etc/resolv.conf echo "search $(hostname --domain)" >> /etc/resolvconf/resolv.conf.d/tail cat /etc/resolvconf/resolv.conf.d/tail >> /etc/resolv.conf #************************************************* **************** #* Use /etc/hosts to generate zone files, restart named, and test #************************************************* **************** /local/bin/set_home_zone #*********** end bind_install.txt ***************************************** $ cat /local/bin/set_home_zone #!/bin/bash #************************************************* ****************** #* #* set_home_zone - create named/bind home.(zone/reverse) files #* from /etc/hosts #* #* Note: _out_fn names have to match zone names in /etc/named.conf #* #* set_home_zone expects your /etc/hosts to look something like #* #* $ head -4 /etc/hosts #* 127.0.0.1 localhost.localdomain localhost #* 192.168.1.11 fw.home.invalid fw #* 192.168.1.130 wb.home.invalid wb #* 192.168.1.131 beta.home.invalid beta #* #* and names do not contain an underscore #* #* See #* #* Assume you have followed /local/doc/bind_install.txt #* and have the xmessage package installed. #************************************************* ****************** _debug=0 # 0=production 1=check/testing _exe=$0 _log_fn=$(echo /tmp/$(basename $_exe).log) _time_out="-timeout 16" #************************************* #* get this node's domain, tld2, #* name and ip #************************************* _dom=$(hostname --domain) _ns=$(hostname --fqdn) _alias=$(hostname --alias) set -- $(IFS='.'; echo $_dom) _tld2=$2 set -- $(echo "$(grep $_ns /etc/hosts)") _ns_ip=$1 _zone_loc=/var/lib/named/var/named/master _zone_fn=home.zone _rev_loc=/var/lib/named/var/named/reverse _rev_fn=home.reversed if [ $_debug -gt 0 ] ; then # we create files in our account _zone_loc=$PWD # for testing _rev_loc=$PWD _time_out="-timeout 6" fi #************************************* #* build forward zone #************************************* _out_fn=$_zone_loc/$_zone_fn echo "\$TTL 1D @ IN SOA ${_ns}. admin.${_ns}. ( $(date +%Y%m%d)01 ; Serial num yyymmddnn 1D ; Refresh 6H ; Retry 1W ; Expire 1H ; Minimum TTL ) ; DNS Servers IN NS ${_ns}. ; ; Machine Names localhost A 127.0.0.1 dnsmaster IN CNAME ${_ns}." > $_out_fn while read line do eval set -- $line _ip=$1 if [ "${_ip:0:3}" = "192" ] ; then printf "%s.\t\tIN\tA\t%s\n" $2 $1 >> $_out_fn fi done < /etc/hosts chmod 644 $_out_fn #************************************* #* build reverse zone #************************************* _out_fn=$_rev_loc/$_rev_fn echo "\$TTL 1D @ IN SOA ${_ns}. ${_ns}.( $(date +%Y%m%d)01 ; Serial num yyymmddnn 8H ; Refresh 4H ; Retry 1W ; Expire 1D ; Minimum TTL ) ; NS ${_ns}. ; Machine Ip addresses " > $_out_fn while read line do eval set -- $line _fq=$2 set -- $(IFS='.'; echo $1) if [ "$2" = "168" ] ; then printf "%s\tIN\tPTR\t%s.\n" $4 $_fq >> $_out_fn fi done < /etc/hosts chmod 644 $_out_fn #************************************* #* test results #************************************* if [ $_debug -eq 0 ] ; then _cmd="named-checkconf -t /var/lib/named /etc/named.conf" echo "# $_cmd " $_cmd > $_log_fn if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn xmessage $_time_out-display :0 -file $_log_fn & fi cat $_log_fn printf "\n# service named restart\n" service named restart printf "\n# nslookup $(hostname --fqdn )\n" nslookup $(hostname --fqdn) printf "\n# nslookup $(hostname --alias)\n" nslookup $(hostname --alias) printf "\n# nslookup $_ns_ip\n" nslookup $_ns_ip fi _cmd="named-checkzone -t $_zone_loc ${_dom} $_zone_fn" echo "# $_cmd " $_cmd > $_log_fn if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn echo "$_zone_loc/$_zone_fn" >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & fi cat $_log_fn printf "\n# cat -n %s/%s\n" $_zone_loc $_zone_fn cat -n $_zone_loc/$_zone_fn _cmd="named-checkzone -t $_rev_loc 1.168.192.in-addr.arpa $_rev_fn" echo "$ $_cmd" $_cmd > $_log_fn 2>&1 if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn echo "$_zone_loc/$_rev_fn" >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & fi cat $_log_fn printf "\n$ cat -n %s/%s\n" $_rev_loc $_rev_fn cat -n $_rev_loc/$_rev_fn _cmd="grep ${_dom} /etc/named.conf" _cnt=$($_cmd | grep -c { ) if [ $_cnt -ne 1 ] ; then echo "ERROR: " > $_log_fn echo "/etc/named.conf does not contain a" >> $_log_fn echo "zone \"${_dom}\" IN {" >> $_log_fn echo "stanza" >> $_log_fn echo " " >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & cat $_log_fn fi /bin/rm -f $_log_fn #**************** end set_home_zone ***************** |
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#28 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails
On Sun, 06 Jan 2008 00:06:38 -0500, Bit Twister <BitTwister@mouse-potato.com> wrote:
> ** server can't find wb.home.bogus: NXDOMAIN > > # head -18 /var/lib/named/var/named/master/home.zone > $TTL 1D > > @ IN SOA localhost. root.localhost ( > 2008010501 ; Serial num yyymmddnn > 1D ; Refresh > 6H ; Retry > 1W ; Expire > 1H ; Minimum TTL > ) > ; DNS Servers > IN NS ns1.home.bogus. Change the above to ns1, not ns1.home.bogus. I Don't remember exactly what I changed, but if you copy the complete files from my prior article, they work on my system. Regards, Dave Hodgins -- Change nomail.afraid.org to ody.ca to reply by email. (nomail.afraid.org has been set up specifically for use in usenet. Feel free to use it yourself.) |
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#29 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails SOLUTION
On Sun, 06 Jan 2008 10:18:34 +0100, wrote:
> Back in MDK9.2 I got DNS working by manually fiddling the files. Apparently > now (2007.0 for me), these old files do not work anymore, so I just used > MCC - Network Services - DNS server, and it works!!!! > > The only problem I have with this tool is that it gives very little feedback > (first define a server, then add hosts one by one), and it DOES NOT RESTART > named , so you have to do that yourself after finishing your changes. Tried, your suggestion, and was not about to add 20+ hosts, so I edited the forward and reverse files. Did a service named restart and found out named would not shutdown. ![]() Sorry I did not keep the message. It was misleading as to the problem. It was 5 am and was I chapped at yet another alligator biting my tail. chkconfig --del named reboot urpme bind urpmi bind --auto My forward/reverse files look as follows: $ head -17 /var/lib/named/var/named/master/home.zone $TTL 1D @ IN SOA wb.home.bogus. admin.wb.home.bogus. ( 2008010601 ; Serial num yyymmddnn 1D ; Refresh 6H ; Retry 1W ; Expire 1H ; Minimum TTL ) ; DNS Servers IN NS wb.home.bogus. ; ; Machine Names localhost A 127.0.0.1 dnsmaster IN CNAME wb.home.bogus. fw.home.bogus. IN A 192.168.1.11 wb.home.bogus. IN A 192.168.1.130 beta.home.bogus. IN A 192.168.1.131 $ head -14 /var/lib/named/var/named/reverse/home.reversed $TTL 1D @ IN SOA wb.home.bogus. wb.home.bogus.( 2008010601 ; Serial num yyymmddnn 8H ; Refresh 4H ; Retry 1W ; Expire 1D ; Minimum TTL ) ; NS wb.home.bogus. ; Machine Ip addresses 11 IN PTR fw.home.bogus. 130 IN PTR wb.home.bogus. 131 IN PTR beta.home.bogus. Here is my install procedure and script to automagically generate the 2 files. Note: I am using OpenDNS.com name servers in forwarders. Upside, the protect you from phishing scams by blocking the fraudulent sites from resolving on your network. Downside, They return 208.69.32.170 on a not found: 3(NXDOMAIN) Here is a snippet from /etc/hosts $ head -4 /etc/hosts 127.0.0.1 localhost.localdomain localhost 192.168.1.11 fw.home.bogus fw 192.168.1.130 wb.home.bogus wb 192.168.1.131 beta.home.bogus beta $ cat /local/doc/bind_install.txt #************************************************* ************* #* #* bind_install.txt - steps to install/setup bind for #* Mandriva Linux 2008.0 in a 192.168.1.x LAN #* #************************************************* ************* exit 0 # just in case a newbie tries to run this as a script As a user, click up a terminal and login as root as follows: su - root alias edt=gedit #************************************** #* install bind and update locate database #************************************** urpmi --wget bind --auto /etc/cron.daily/mlocate.cron cp /var/lib/named/etc/named.conf /var/lib/named/etc/named.conf_orig #************************************************* #* modify named's config to use opendns DNS servers #* and add our zone files #************************************************* * edt /var/lib/named/etc/named.conf And find forwarders and add/change these // DNS servers forwarders { 208.67.222.222; 208.67.220.220; }; And append these zones to the bottom: zone "home.bogus" IN { type master; file "master/home.zone"; allow-update { none; }; }; zone "1.168.192.in-addr.arpa" IN { type master; file "reverse/home.reversed"; allow-update { none; }; }; Click Save, Quit #************************************************* #* assuming eth0 is the LAN nic, #* set eth0's DNS1 to use our node's DNS resolver #************************************************* * hostname --ip-address edt /etc/sysconfig/network-scripts/ifcfg-eth0 and set DNS1=value_from_above_hostname_command Click Save, Quit #************************************************* ************* #* create /etc/resolv.conf with node's ip address #* and add search line. #* #* Note: If you want to add extra nameserver values #* add them above the echo "search $(hostname --domain)" line #************************************************* ************** /bin/cp /etc/resolvconf/resolv.conf.d/head /etc/resolv.conf echo "nameserver $(hostname --ip-address)" >> /etc/resolv.conf echo "search $(hostname --domain)" >> /etc/resolvconf/resolv.conf.d/tail cat /etc/resolvconf/resolv.conf.d/tail >> /etc/resolv.conf #************************************************* **************** #* Use /etc/hosts to generate zone files, restart named, and test #************************************************* **************** /local/bin/set_home_zone #*********** end bind_install.txt ***************************************** $ cat /local/bin/set_home_zone #!/bin/bash #************************************************* ****************** #* #* set_home_zone - create named/bind home.(zone/reverse) files #* from /etc/hosts #* #* Note: _out_fn names have to match zone names in /etc/named.conf #* #* set_home_zone expects your /etc/hosts to look something like #* #* $ head -4 /etc/hosts #* 127.0.0.1 localhost.localdomain localhost #* 192.168.1.11 fw.home.invalid fw #* 192.168.1.130 wb.home.invalid wb #* 192.168.1.131 beta.home.invalid beta #* #* and names do not contain an underscore #* #* See #* #* Assume you have followed /local/doc/bind_install.txt #* and have the xmessage package installed. #************************************************* ****************** _debug=0 # 0=production 1=check/testing _exe=$0 _log_fn=$(echo /tmp/$(basename $_exe).log) _time_out="-timeout 16" #************************************* #* get this node's domain, tld2, #* name and ip #************************************* _dom=$(hostname --domain) _ns=$(hostname --fqdn) _alias=$(hostname --alias) set -- $(IFS='.'; echo $_dom) _tld2=$2 set -- $(echo "$(grep $_ns /etc/hosts)") _ns_ip=$1 _zone_loc=/var/lib/named/var/named/master _zone_fn=home.zone _rev_loc=/var/lib/named/var/named/reverse _rev_fn=home.reversed if [ $_debug -gt 0 ] ; then # we create files in our account _zone_loc=$PWD # for testing _rev_loc=$PWD _time_out="-timeout 6" fi #************************************* #* build forward zone #************************************* _out_fn=$_zone_loc/$_zone_fn echo "\$TTL 1D @ IN SOA ${_ns}. admin.${_ns}. ( $(date +%Y%m%d)01 ; Serial num yyymmddnn 1D ; Refresh 6H ; Retry 1W ; Expire 1H ; Minimum TTL ) ; DNS Servers IN NS ${_ns}. ; ; Machine Names localhost A 127.0.0.1 dnsmaster IN CNAME ${_ns}." > $_out_fn while read line do eval set -- $line _ip=$1 if [ "${_ip:0:3}" = "192" ] ; then printf "%s.\t\tIN\tA\t%s\n" $2 $1 >> $_out_fn fi done < /etc/hosts chmod 644 $_out_fn #************************************* #* build reverse zone #************************************* _out_fn=$_rev_loc/$_rev_fn echo "\$TTL 1D @ IN SOA ${_ns}. ${_ns}.( $(date +%Y%m%d)01 ; Serial num yyymmddnn 8H ; Refresh 4H ; Retry 1W ; Expire 1D ; Minimum TTL ) ; NS ${_ns}. ; Machine Ip addresses " > $_out_fn while read line do eval set -- $line _fq=$2 set -- $(IFS='.'; echo $1) if [ "$2" = "168" ] ; then printf "%s\tIN\tPTR\t%s.\n" $4 $_fq >> $_out_fn fi done < /etc/hosts chmod 644 $_out_fn #************************************* #* test results #************************************* if [ $_debug -eq 0 ] ; then _cmd="named-checkconf -t /var/lib/named /etc/named.conf" echo "# $_cmd " $_cmd > $_log_fn if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn xmessage $_time_out-display :0 -file $_log_fn & fi cat $_log_fn printf "\n# service named restart\n" service named restart printf "\n# nslookup $(hostname --fqdn )\n" nslookup $(hostname --fqdn) printf "\n# nslookup $(hostname --alias)\n" nslookup $(hostname --alias) printf "\n# nslookup $_ns_ip\n" nslookup $_ns_ip fi _cmd="named-checkzone -t $_zone_loc ${_dom} $_zone_fn" echo "# $_cmd " $_cmd > $_log_fn if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn echo "$_zone_loc/$_zone_fn" >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & fi cat $_log_fn printf "\n# cat -n %s/%s\n" $_zone_loc $_zone_fn cat -n $_zone_loc/$_zone_fn _cmd="named-checkzone -t $_rev_loc 1.168.192.in-addr.arpa $_rev_fn" echo "$ $_cmd" $_cmd > $_log_fn 2>&1 if [ $? -ne 0 ] ; then echo "$_cmd failure" >> $_log_fn echo "$_zone_loc/$_rev_fn" >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & fi cat $_log_fn printf "\n$ cat -n %s/%s\n" $_rev_loc $_rev_fn cat -n $_rev_loc/$_rev_fn _cmd="grep ${_dom} /etc/named.conf" _cnt=$($_cmd | grep -c { ) if [ $_cnt -ne 1 ] ; then echo "ERROR: " > $_log_fn echo "/etc/named.conf does not contain a" >> $_log_fn echo "zone \"${_dom}\" IN {" >> $_log_fn echo "stanza" >> $_log_fn echo " " >> $_log_fn xmessage $_time_out -display :0 -file $_log_fn & cat $_log_fn fi /bin/rm -f $_log_fn #**************** end set_home_zone ***************** |
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#30 |
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Guest
Posts: n/a
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Re: Internal DNS resolution look up fails
On Sun, 06 Jan 2008 00:06:38 -0500, Bit Twister <BitTwister@mouse-potato.com> wrote:
> ** server can't find wb.home.bogus: NXDOMAIN > > # head -18 /var/lib/named/var/named/master/home.zone > $TTL 1D > > @ IN SOA localhost. root.localhost ( > 2008010501 ; Serial num yyymmddnn > 1D ; Refresh > 6H ; Retry > 1W ; Expire > 1H ; Minimum TTL > ) > ; DNS Servers > IN NS ns1.home.bogus. Change the above to ns1, not ns1.home.bogus. I Don't remember exactly what I changed, but if you copy the complete files from my prior article, they work on my system. Regards, Dave Hodgins -- Change nomail.afraid.org to ody.ca to reply by email. (nomail.afraid.org has been set up specifically for use in usenet. Feel free to use it yourself.) |
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