From: Thomas Braun <tb@westend.com>
To: lartc@vger.kernel.org
Subject: [LARTC] Syn Flood Protection
Date: Thu, 18 Apr 2002 09:42:39 +0000 [thread overview]
Message-ID: <marc-lartc-101912302203653@msgid-missing> (raw)
Hallo Group,
i want to implement a syn Flood Protection on our linux Router.
on our Cisco we have this Access-list and rat-limit
rate-limit input access-group 190 128000 128000 128000 conform-action transmit exceed-action drop
access-list 190 deny tcp any any established
access-list 190 permit tcp any any
access-list 190 deny ip any any
now i was trying to wrote the same config with tc
iptables -A PREROUTING -i $uplinkdev -t mangle -p tcp --syn -j MARK --set-mark 1
tc qdisc add dev $uplinkdev handle ffff: ingress
tc filter add dev $uplinkdev parent ffff: protocol ip prio 50 handle 1 fw police rate 128kbit burst 10 mtu 15k drop flowid :1
But many from our Customers can't connect to our Webservers.
what is wrong on my config?
cu thomas braun
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reply other threads:[~2002-04-18 9:42 UTC|newest]
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