From: Jean-Marie Orset <jm.nfilter@laposte.net>
To: netfilter@lists.netfilter.org
Subject: Re: mangle + TCP Flags
Date: Thu, 11 Dec 2003 16:57:40 +0100 [thread overview]
Message-ID: <20031211165740.0858d1c6.jm.nfilter@laposte.net> (raw)
In-Reply-To: <20031211145408.GB32747@legolas.on.net.mk>
> Why is that better for security?
Well, I don't pretend that's better for security. In fact, it would be more difficult for a scanner to find a port really open among all other falsely open. If I drop or reject the SYN msg on those ports the scanner will deduce they are filtred or closed and it will see the real open ports. However, if it sees all the ports open, it has to test more accurately the ports for finding a real open one.
next prev parent reply other threads:[~2003-12-11 15:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-11 9:55 mangle + TCP Flags Jean-Marie
2003-12-11 10:48 ` Maciej Soltysiak
2003-12-11 14:54 ` Damjan
2003-12-11 15:27 ` Jean-Marie Orset
2003-12-11 15:32 ` Jean-Marie Orset
2003-12-11 15:43 ` Antony Stone
2003-12-11 15:57 ` Jean-Marie Orset [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-12-11 15:57 bmcdowell
2003-12-11 20:43 ` Maciej Soltysiak
2003-12-10 14:19 Jean-Marie
2003-12-10 16:31 ` Maciej Soltysiak
2003-12-10 19:25 ` Maciej Soltysiak
2003-12-10 19:38 ` Antony Stone
2003-12-10 10:08 Jean-Marie
2003-12-11 17:06 ` Tom Marshall
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