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Date: Fri, 23 Jan 2004 11:44:13 +0100
From: Ruben de Groot <mail25@bzerk.org>
To: Didier WIROTH <didier.wiroth@mcesr.etat.lu>
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	Didier WIROTH <didier.wiroth@mcesr.etat.lu>,
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cc: freebsd-questions@freebsd.org
Subject: Re: log_in_vain="YES"
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On Fri, Jan 23, 2004 at 10:54:50AM +0100, Didier WIROTH typed:
> When using log_in_vain="YES" I get a lot of console message of these types:
> Jan 21 03:01:12 ultimate kernel: Connection attempt to TCP 127.0.0.1:113
> from 127.0.0.1:49188 flags:0x02
> Jan 21 03:01:12 ultimate kernel: Connection attempt to TCP 127.0.0.1:113
> from 127.0.0.1:49190 flags:0x02
> Jan 21 03:01:12 ultimate kernel: Connection attempt to UDP 127.0.0.1:512
> from 127.0.0.1:49286
> Jan 21 03:01:12 ultimate kernel: Connection attempt to UDP 127.0.0.1:512
> from 127.0.0.1:49287
> 
> I assume the above entries happen when the cron jobs, auth and sendmail
> tries to send the daily reports. 
> 
> What does log_in_vain actually do/work? Is it possible to tell log_in_vain
> to ignore connections form localhost to localhost?

AFAICT, no. It would be quite trivial to edit src/sys/netinet/tcp_input.c
and udp_usrreq.c to not log these localhost connections, but what would
be the point?

Ruben

> Many thanks
> Didier
> 
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