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From: Nikos Vassiliadis <nvass@teledomenet.gr>
To: freebsd-questions@freebsd.org
Date: Thu, 18 Oct 2007 18:29:47 +0300
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Cc: "Michael K. Smith - Adhost" <mksmith@adhost.com>
Subject: Re: Odd PF Denied Message
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On Thursday 18 October 2007 17:59:49 Michael K. Smith - Adhost wrote:
> Hello All:
>
> We're getting a ton of these.
>
> +Connection attempt to TCP 127.0.0.1:113 from 127.0.0.1:52655 flags:0x02

This doesn't look like a pf(4) message. This looks like
sysctl net.inet.tcp.log_in_vain is 1. It logs every connection
attempt to a non-listening TCP port.

>
> We've basically allowed all traffic to and from 127.0.0.1 in our
> ruleset, but nothing seems to work.  Does anyone have a magic bullet to
> make this go away?

Yes, set the afore-mentioned sysctl to 0.

Nikos