From: "Sergey S. Skulachenko" <sssku@online.ru> To: mandrake-russian@altlinux.ru Subject: Re: [mdk-re] ipchains question Date: Fri Oct 19 13:06:27 2001 Message-ID: <20011019130655.578bec50.sssku@online.ru> (raw) In-Reply-To: <20011019121105.7b35acec.vserge@menatepspb.msk.ru> On Fri, 19 Oct 2001 12:11:05 +0400 "Volkov Serge" <vserge@menatepspb.msk.ru> wrote: >> -A forward -p tcp -s 192.168.1.101/255.255.255.255 -d >>0.0.0.0/0.0.0.0 >> pop3 -j MASQ >> Т.е. полько одна машина в сети (IP 192.168.1.101 - это >>mail-сервер) >> может иметь доступ к внешним SMTP и POP3 серверам, все > Нужно быть немного строже > ipchains -P input DENY > ipchains -P output DENY > ipchains -P forward DENY > ipchains -A input -s 192.168.1.0/255.255.255.0 -d 0/0 -j ACCEPT > ipchains -A output -s 0/0 -d 192.168.1.0/255.255.255.0 -j > ACCEPT > ipchains -A forward -s 192.168.1.0/255.255.255.0 -d 0/0 -j MASQ Поясните, чем Ваш вариант строже. Для критикуемого варианта приведены, ведь, не все цепочки, и речь идёт о правах только одной машины. В Вашем варианте - всех машин из внутренней сети. ____________ С уважением, С.С.Скулаченко
prev parent reply other threads:[~2001-10-19 13:06 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2001-10-18 21:16 [mdk-re] ipchains question! Lenya L. Khachaturov 2001-10-18 21:30 ` John Profic 2001-10-19 12:11 ` Volkov Serge 2001-10-19 13:06 ` Sergey S. Skulachenko [this message]
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