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From: Ozgur AKAN <akan@aiqa.com>
To: Jorge Garcia <anarkophobia@latinmail.com>
Cc: "netfilter-devel@lists.netfilter.org"
	<netfilter-devel@lists.netfilter.org>
Subject: Re: iptables denial of services
Date: Fri, 16 Apr 2004 10:10:37 +0300	[thread overview]
Message-ID: <407F86ED.4090706@aiqa.com> (raw)
In-Reply-To: <20040415183141.40EC43D96DC@smtp.latinmail.com>

Jorge Garcia wrote:

>I saw in the net that for examples servers like apache or smtp stop his services after a determinated numbers of connections at the same time.
>Is this a problem in iptables firewall??i mean does iptables stop filtering after handling a lot of traffic?
>
I think just the opposite would occur. The load of linux os raises to a 
degree that firewall can not answer any more requests.

>The other thing i saw in the net is that it is possible to send a lot of traffic to full the log messabges of iptables and the firewall will stpo filtering so a hacker could acces to different services on the net,
>
If you mean creating too much log and filling the disk space, there is a 
limit option which can limit the number of packets to log in a period of 
time.

-- 
Ozgur Akan

  reply	other threads:[~2004-04-16  7:10 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-15 18:31 iptables denial of services Jorge Garcia
2004-04-16  7:10 ` Ozgur AKAN [this message]
2004-04-16 10:03 ` Henrik Nordstrom
2004-04-17 11:13   ` Friedrich Lobenstock
2004-04-17 16:49     ` Henrik Nordstrom
2004-04-17 17:22       ` question regarding iptables tuning (was Re: iptables denial of services) Friedrich Lobenstock
2004-04-17 18:18         ` Henrik Nordstrom
2004-04-17 18:53           ` Friedrich Lobenstock
2004-04-17 23:49             ` Henrik Nordstrom
2004-04-17 19:08         ` Pablo Neira
2004-04-17 19:58           ` Friedrich Lobenstock
2004-04-17 20:18             ` Friedrich Lobenstock
2004-04-17 20:33               ` Martin Josefsson
2004-04-17 20:41                 ` Friedrich Lobenstock
2004-04-17 20:58                   ` Martin Josefsson
2004-04-17 21:13                     ` Friedrich Lobenstock
2004-04-22 12:23                     ` Herve Eychenne
2004-04-22 20:44                       ` Friedrich Lobenstock
2004-04-18 12:55             ` Tarek W.
2004-04-18 13:29             ` Tarek W.

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