configure syslog prefix

Shawn Bakhtiar shashaness at hotmail.com
Wed Jul 3 16:15:27 UTC 2013


hhhmmm....

I have not run multiple binds on the same box, but according to the man pages for named.conf (assuming you have a different configuration file for each instance) setup each to report to a different logging facility ie:

in named.conf:
....

logging {
  channel default_syslog {
    syslog local7;
    severity info;
  };

...


and in /etc/rsyslog.conf

# Save named messages firstnamedinstance.log
local7.*                                                /var/log/firstnamedinstance.log

(If you have logrotate installed)....You may also want to add a file in /etc/logrotate.d with the following info:

/var/log/firstnamedinstance.log {
    sharedscripts
    postrotate
        /bin/kill -HUP `cat /var/run/rsyslogd.pid 2> /dev/null` 2> /dev/null || true
    endscript
} 


So it will rotate the logs 


> Date: Tue, 2 Jul 2013 13:49:35 +0200
> From: klaus.mailinglists at pernau.at
> To: bind-users at isc.org
> Subject: configure syslog prefix
> 
> Hi!
> 
> I have several bind instances running on the same host. All of them use 
> the same logging prefix, e.g:
> 
> named[11926]: zone mydomain/IN: Transfer started.
> named[11926]: transfer of 'mydomain/IN' from 2.3.4.5#53: connected using 
> 2.3.4.5#44224
> named[13479]: client 2.3.4.5#44224: transfer of 'mydomain/IN': 
> AXFR-style IXFR started: TSIG mydomain
> named[13479]: client 2.3.4.5#44224: transfer of 'mydomain/IN': 
> AXFR-style IXFR ended
> 
> 
> So I only have the PID to separate the different bind processes.
> 
> Some software allows to configure the syslog prefix, but I couldn't find 
> that for bind.
> 
> Is there a workaround to get something like that?
> 
> named-incoming[11926]: zone mydomain/IN: Transfer started.
> named-incoming[11926]: transfer of 'mydomain/IN' from 2.3.4.5#53: 
> connected using 2.3.4.5#44224
> named-outgoing[13479]: client 2.3.4.5#44224: transfer of 'mydomain/IN': 
> AXFR-style IXFR started: TSIG mydomain
> named-outgoing[13479]: client 2.3.4.5#44224: transfer of 'mydomain/IN': 
> AXFR-style IXFR ended
> 
> Thanks
> Klaus
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