BIND server no longer working - please help!
 

hi guys

I really hope someone can help me with this. I am still quite new to all this but I guess we were all beginners once, this forum seems very helpful.

Here is my situation, I will give as much detail as I can.

I have a dedicated server which is running CentOS release 5.5

Initially I had Plesk installed, but when I upgraded PHP I damaged the Plesk configuration, and so I installed Webmin instead.

All seems to be fine with this, apart from the DNS configuration / BIND server.I know this because I have one site which uses an external DNS server and this works fine (i.e I can access it from a browser). All the others don't resolve - i.e the ones I set up in Plesk.

I've done a bit of investigating to see what is going on, but I'm stabbing in the dark a little. I'd really appreciate some help.

The following commands give me the following responses:

rndc reload

rndc: connect failed: 127.0.0.1#953: connection refused

named -g -p 53 (i have blanked out my server IP address)

starting BIND 9.3.6-P1-RedHat-9.3.6-4.P1.el5_5.3 -g -p 53
found 2 CPUs, using 2 worker threads
using up to 4096 sockets
loading configuration from '/etc/named.conf'
max open files (1024) is smaller than max sockets (4096)
using default UDP/IPv4 port range: [1024, 65535]
using default UDP/IPv6 port range: [1024, 65535]
listening on IPv4 interface lo, 127.0.0.1#53
listening on IPv4 interface eth0, xx.xx.xx.xx#53
could not configure root hints from 'named.root': file not found
loading configuration: file not found
exiting (due to fatal error)

there does not appear to be a named.conf file. Is this the issue?

I'm not sure but I think this may have something to do with these sites being initially set up in Plesk.

Can anyone help?? thanks so much in advance.

In Slackware :

locate named.root

/var/named/caching-example/named.root

You certainly also have this file, so you have to copy it to the right place.

ok I ran the command, and got this:

/usr/share/doc/bind-9.3.6/sample/etc/named.root.hints
/usr/share/doc/bind-9.3.6/sample/var/named/named.root
/var/named/run-root/var/named.root

I also looked for named.conf and it came up with this:


/usr/share/logwatch/default.conf/services/named.conf
/usr/share/man/man5/named.conf.5.gz
/var/named/run-root/etc/named.conf
/var/named/run-root/etc/named.conf.default


What config do I need to edit to point at these?

so I pointed named.conf at the name.root file, and now I get the below. I tried to locate 'named.pid' and it does not exist. It looks like this is something to do with Plesk? please help!


loading configuration from '/etc/named.conf'
max open files (1024) is smaller than max sockets (4096)
using default UDP/IPv4 port range: [1024, 65535]
using default UDP/IPv6 port range: [1024, 65535]
listening on IPv4 interface lo, 127.0.0.1#53
listening on IPv4 interface eth0, xx.xx.xx.xx#53
command channel listening on 127.0.0.1#953
command channel listening on ::1#953
ignoring config file logging statement due to -g option
couldn't open pid file '/var/run/named/named.pid': Permission denied
exiting (due to early fatal error)

I changed the ownership of

/var/run/named/

to root, and it then gave me this:

08-Jun-2011 14:39:38.580 zone 0.0.127.IN-ADDR.ARPA/IN: loading master file localhost.rev: file not found
08-Jun-2011 14:39:38.580 zone 41.99.79.in-addr.arpa/IN: loading master file 41.99.79.in-addr.arpa: file not found
08-Jun-2011 14:39:38.580 zone mysite.com/IN: loading master file mysite.com: file not found

Hi,

Check the "directory" directive in top of /etc/named.conf and make sure it points to the location of localhost.rev, 41.99.79.in-addr.arpa, mysite.com zone files.
Do a search for those files if you don't know where they are located and change "directory" directive accordingly.

Regards

thanks - yes, I figured this might be something to try so I did, and several of the sites are back up again, all but one, which say 'No NS records exist' - I have no idea why that would be so if anyone can help with that, it would be fantastic.

There is no NS entries in the zone file in question
You can post it here so we can take a look, if you cannot figure it out yourself

Regards

Oh i'm not sure you had to do this...

Check all this thing.

1)chmod 777 /etc/named.conf
2)service named restart
3)netstat -nlp | grep :53
output expectedis
tcp connection is listening on 53

thanks for all your help guys, I'm sure this will be useful if anyone else switches out of Plesk.

Ok, I've done as Sandy suggested but I am still getting errors, as follows:


Error in named configuration:
zone 0.0.127.IN-ADDR.ARPA/IN: loading master file /var/named/run-root/var/localhost.rev: file not found
_default/0.0.127.IN-ADDR.ARPA/IN: file not found
zone mysite.com/IN: loading master file /var/named/run-root/var/mysite.com: file not found
_default/mysite.com/IN: file not found
zone 41.99.79.in-addr.arpa/IN: loading master file /var/named/run-root/var/41.99.79.in-addr.arpa: file not found
_default/41.99.79.in-addr.arpa/IN: file not found


So i then tried:

locate localhost.rev

and I get:

/var/named/run-root/var/PROTO.localhost.rev
/var/named/run-root/var/localhost.rev
/var/named/run-root/var/localhost.rev.saved_by_psa

so the file exists but it seems it can't access it. I tried checking the permissions and the files are owned by root, is this correct?

when I run: netstat -nlp | grep :53

I get

udp 0 0 0.0.0.0:5353 0.0.0.0:* 2652/avahi-daemon:
udp 0 0 :::5353 :::* 2652/avahi-daemon:

can you please paste your /etc/named.conf file

I will, though I think I may have made some progress. I removed the full path names in the config, i.e I changed:

/var/named/run-root/var/localhost.rev

to just

localhost.rev

and now I get :

Stopping named: [ OK ]
Starting named: [ OK ]

- so that's good!

tcp 0 0 xx.xx.xx.xx:53 0.0.0.0:* LISTEN 800/named
tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 800/named
udp 0 0 xx.xx.xx.xx:53 0.0.0.0:* 800/named
udp 0 0 127.0.0.1:53 0.0.0.0:* 800/named
udp 0 0 0.0.0.0:5353 0.0.0.0:* 2652/avahi-daemon:
udp 0 0 :::5353 :::* 2652/avahi-daemon:


All the sites seem to be working now - I think my problems are over, please let me know if there is anything else I need to test, and thank you all so much.