[syslog-ng] AF_INET client dropped connection

Balazs Scheidler bazsi at balabit.hu
Mon Jul 2 09:01:59 CEST 2007


On Thu, 2007-06-28 at 12:42 +0200, Pol Moal wrote:
> Hi,
> 
> when I restart syslog-ng on a client, the loghost prints these lines:
> 
> Jun 28 12:28:38 loghost syslog-ng[7068]: AF_INET client dropped connection from w.x.y.z, port 38171
> 
> Jun 28 12:28:39 loghost syslog-ng[7068]: AF_INET client connected from w.x.y.z, port 38040
> 
> Do I lose some information from the client? If yes, what can I do?

If you restart syslog-ng, then 

1) some messages might arrive while syslog-ng itself is stopped. These
messages are lost. 

2) the messages that had been been accumulated in syslog-ng's output
buffers can also be lost.

I don't really see solutions for item 1) above, item 2) is solved by
Premium Edition's disk buffer feature.

You should not periodically trigger a restart, use  the 'reload'
functionality instead, that's much better in this regard.

-- 
Bazsi



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