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SubjectRe: [PATCH] Avoid unncessary checksum validation in TCP/UDP netfilter
On Fri, May 27, 2005 at 12:03:08PM +0100, Keir Fraser wrote:
> The TCP/UDP connection-tracking code in netfilter validates the
> checksum of incoming packets, to prevent nastier errors further down
> the road. This check is unnecessary if the skb is marked as
> CHECKSUM_UNNECESSARY.

It seems at least part of this has already been merged in 2.6.12-rc

http://www.kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=blobdiff;h=721ddbf522b422d554479a7ab15c0955798f16ee;hp=2b87c1974be605d5bdb1ee769188d7e03fb2ddc8;hb=31da185d8162ae0f30a13ed945f1f4d28d158133;f=net/ipv4/netfilter/ip_conntrack_proto_tcp.c

Phil
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