lkml.org 
[lkml]   [2001]   [Aug]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [Possibly OT] ipt_unclean.c on kernel-2.4.7-9
Date
In message <3B8A262C.82ED7793@ted.ericsson.dk> you write:
> Hi gurus,
> I've possibly found a bug in the iptables unclean match support
> but I was not able to find the email of the mantainer so I'm posting
> here....
>
> the module is incorrectly matching ftp session. Ex:
>
> iptables -j DROP -A INPUT --match unclean
> iptables -j ACCEPT -A INPUT -p tcp --dport 21
>
> in this case all my packets directed to the ftp server where dropped by
> the
> "unclean" match and this make impossible to open ftp session.

Please do not do this. "unclean" should be renamed "interesting": you
should log these packets, but probably not drop them, otherwise some
things may break.

Like ECN...

Cheers,
Rusty.
--
Premature optmztion is rt of all evl. --DK
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:58    [W:0.097 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site