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Date:      Mon, 20 Sep 1999 00:37:17 +0000
From:      Brian Tan <brian@sys.com.sg>
To:        freebsd-ipfw@FreeBSD.ORG
Cc:        Barry Irwin <bvi@rucus.ru.ac.za>
Subject:   Re: what is 'ICMP:3.13' ?
Message-ID:  <37E581BD.6529BEF1@sys.com.sg>
References:  <3.0.32.19990915164626.02309970@mail.ok-connect.com> <19990916152801.7FE51153FA@hub.freebsd.org> <19990919221211.Q5613@rucus.ru.ac.za>

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Hi All,

Besides the ICMP:x:x messages, does anyone know what "Deny P:9" mean, as
in

ipfw: 10900 Deny P:9 XXX.XXX.XXX.XXX 255.255.255.255 in via rl0

Thanks
Brian

Barry Irwin wrote:
> 
> On Thu 1999-09-16 (19:30), AAKopeyko@rio.ru wrote:
> > Hi All!
> >
> > Yesterday I add new rule
> >
> > ipfw add 802 allow log icmp from any to XXX.XXX.XXX.XXX
> >
> > and now have a lot of
> >
> > > ipfw: 802 Accept ICMP:3.13 XXX.XXX.XXX.XXX yyy.yyy.yyy.yyy in via tun0
> >
> > in log.
> >
> > Can anybody explain what 'ICMP type 3 code 13' message is? rfc 792, 950 never
> > talk about it.
> 
> >From TCP/IP Illustrated volume I ( Stevens)
> 
> ICMP Type 3 code 13:
> communication administritavely prohibited by filter
> (Error stat)
> 
> In other words somwhere your traffic is being blocked by a server/router
> which is being kind enough to tell you that this has been blocked by an
> adminitritive rule, rather than  the service being unavalible etc.
> 
> Barry
> --
> --------------------------------------------------------------------------
> Barry Irwin                                     IRC:  balin@zanet (#linux)
> bvi@moria.org                                   http://rucus.ru.ac.za/~bvi
> Whois BI414             - PMPN8EZ -             http://moria.org
> --------------------------------------------------------------------------
> 
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