From: Shawkat Nizamov <shawkat@samitc.uzsci.net>
To: community@altlinux.ru
Subject: [Comm] Port 137 packets out ?
Date: Wed, 29 Oct 2003 11:05:49 +0500
Message-ID: <200310291105.49116.shawkat@samitc.uzsci.net> (raw)
Запускаю iptraf и на инетовском eth1 наблюдаю кучу пакетов
UDP (78 bytes) from 192.168.0.182:1025 to (разные внешние IP):137 on eth1.
Как такое может быть? Пакет с _внутренним_адресом_ проброшен на
_внешний_интерфейс_ ? В нате прописан маскарад, но не на этот адрес.
Кто-нибудь подскажет, какую команду iptables нужно запустить ?
Вот выдержка касательно iptables из rc.local
/sbin/iptables -t nat -p all -s 192.168.0.254 -d ! 192.168.0.1/24 -A
POSTROUTING -j SNAT --to-source 194.67.216.221
/sbin/iptables -t nat -p all -s 192.168.0.252 -d ! 192.168.0.1/24 -A
POSTROUTING -j SNAT --to-source 194.67.216.221
/sbin/iptables -t nat -p all -s 192.168.0.239 -d ! 192.168.0.1/24 -A
POSTROUTING -j SNAT --to-source 194.67.216.221
/sbin/iptables -t nat -p all -s 172.16.200.240 -d ! 172.16.0.2/16 -A
POSTROUTING -j SNAT --to-source 194.67.216.221
/sbin/iptables -t nat -p all -s 172.16.200.241 -d ! 172.16.0.2/16 -A
POSTROUTING -j SNAT --to-source 194.67.216.221
sysctl -w net.ipv4.ip_forward=1
next reply other threads:[~2003-10-29 6:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-29 6:05 Shawkat Nizamov [this message]
2003-10-30 15:44 ` Borovoy M.
2003-10-30 15:59 ` Borovoy M.
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