Messages in this thread | | | Date | Mon, 21 Sep 1998 10:40:42 -0700 | From | david <> | Subject | Re: Firewalling and network resource consumption while under attack |
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Reply to mail from Alan Cox about Firewalling and network resource consumption while under attack ----------------- > You cannot regulate inbound traffic. You regulate outbound traffic at the > ISP end, and Linux 2.1.x can do exactly that, you can feed all syn frames > down a different CBQ class (even with its own routing table 8))
if(stack>80% && SYN) drop_without_even_allocating_anything();
feasible?
I'm looking at discussing this in detail to come up with a solution so that a linux box doesn't keel over totally blind even under heavy inbound SYN attack. I'll do some studies of the network path and see if we can come up with a novel solution that is viable for 2.3.
-d -- Look, Windows 98 Buy, lemmings, buy! MCSE, Must Consult Someone Experienced (c) 1998 David Ford. Redistribution via the Microsoft Network is prohibited. for linux-kernel: please read linux/Documentation/* before posting problems
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