From: "Dmitry V. Levin" <ldv@altlinux.org>
To: sysadmins@lists.altlinux.org
Subject: Re: [Sysadmins] I: sshutout
Date: Mon, 7 Jul 2008 21:33:53 +0400
Message-ID: <20080707173353.GL11564@wo.int.altlinux.org> (raw)
In-Reply-To: <200807070939.12816.a_s_y@sama.ru>
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On Mon, Jul 07, 2008 at 09:39:12AM +0500, Sergey wrote:
> On Monday 07 July 2008, Michael Shigorin wrote:
>
> > > меня вполне спасает iptables. Вроде бы никто не возвращается,
> > > наткнувшись на минутную блокировку по recent. Я уже писал
> > > вроде... И в настройки по-умолчанию предлагал добавить...
> >
> > Э... а можешь форварднуть?
>
> Примерно вот так:
>
> -A INPUT -p tcp -m tcp --dport 22 --tcp-flags FIN,SYN,RST,ACK SYN -m recent --set --name ssh_rate_limit --rsource
> -A INPUT -p tcp -m tcp --dport 22 --tcp-flags FIN,SYN,RST,ACK SYN -m recent --update --seconds 60 --hitcount 4 --name ssh_rate_limit --rsource -j LOG
> -A INPUT -p tcp -m tcp --dport 22 --tcp-flags FIN,SYN,RST,ACK SYN -m recent --update --seconds 60 --hitcount 4 --name ssh_rate_limit --rsource -j DROP
Рекомендую завести себе -j LOGDROP, избыточность правил уменьшится
почти в 2 раза.
--
ldv
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next prev parent reply other threads:[~2008-07-07 17:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-05 20:39 ` Michael Shigorin
2008-07-06 13:23 ` Sergey
2008-07-06 21:00 ` Michael Shigorin
2008-07-07 4:39 ` Sergey
2008-07-07 10:48 ` Timur Batyrshin
2008-07-07 17:33 ` Dmitry V. Levin [this message]
2008-07-08 12:26 ` Sergey
2008-07-08 12:32 ` Dmitry V. Levin
2008-07-08 12:39 ` Sergey
2008-07-07 5:16 ` Anton Kvashin
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