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From: "Gavin" <gavin@raha.com>
To: netfilter@lists.netfilter.org
Subject: Re: nmap
Date: Wed, 23 Oct 2002 12:06:49 +0300	[thread overview]
Message-ID: <014801c27a73$856bfdf0$583a29c4@ghome> (raw)
In-Reply-To: plopm3d6q1sj3a.fsf@drizzt.dyndns.org

> But... what do you want to do by filtering OUTPUT ? Sure, you can drop
INVALID
> packets, filter floods, stop packets coming from root and so on, but if
you
> want to allow normal internet activity from the box, you have to allow NEW
> connections on OUTPUT to any host/port...

There's always a (good) chance that someone will comprimise the machine and
use it to DDOS, scan, spam etc - filtering output to allow only what you
need for normal usage (dns, web, ping etc) makes it less useful as a hacked
box.

Gavin




  reply	other threads:[~2002-10-23  9:06 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-22  5:20 PPTP Question Rommy Taslim
2002-10-22 15:42 ` nmap antonio
2002-10-22 18:25   ` nmap Gaël Le Mignot
2002-10-22 19:12     ` nmap antonio
2002-10-22 21:05       ` nmap Gaël Le Mignot
2002-10-22 22:35         ` nmap antonio
2002-10-23  7:35           ` nmap Gaël Le Mignot
2002-10-23  9:06             ` Gavin [this message]
2002-10-23 12:02               ` nmap Gaël Le Mignot
2002-10-23 12:15                 ` nmap Gavin
2002-10-23 15:25                   ` nmap Antony Stone
2002-10-22 18:31   ` nmap Antony Stone
2002-10-22 22:38     ` nmap hellbreak
2002-10-22 23:25   ` nmap Nick Drage
  -- strict thread matches above, loose matches on Subject: below --
2002-10-22 19:19 nmap Antonio Paulo Salgado Forster
2002-10-22 20:46 nmap Andy Wood
2002-10-22 21:11 nmap Antonio Paulo Salgado Forster
2002-10-23  5:35 nmap zeus

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