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author | jlemon <jlemon@FreeBSD.org> | 2001-11-22 04:50:44 +0000 |
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committer | jlemon <jlemon@FreeBSD.org> | 2001-11-22 04:50:44 +0000 |
commit | a3c1c9fdb4ec0da65e5e02c396bbd5bb22a16c8b (patch) | |
tree | 7e69286bc240807dcaf2ce9e68a4bb59848d76df /sys/netinet/tcp_output.c | |
parent | 7e4737a17a89fe0f71b6b62c33f5cb8b254ddbd8 (diff) | |
download | FreeBSD-src-a3c1c9fdb4ec0da65e5e02c396bbd5bb22a16c8b.zip FreeBSD-src-a3c1c9fdb4ec0da65e5e02c396bbd5bb22a16c8b.tar.gz |
Introduce a syncache, which enables FreeBSD to withstand a SYN flood
DoS in an improved fashion over the existing code.
Reviewed by: silby (in a previous iteration)
Sponsored by: DARPA, NAI Labs
Diffstat (limited to 'sys/netinet/tcp_output.c')
-rw-r--r-- | sys/netinet/tcp_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index e473b8e..683eeef 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -216,7 +216,7 @@ again: len = (long)ulmin(so->so_snd.sb_cc, win) - off; - if ((taop = tcp_gettaocache(tp->t_inpcb)) == NULL) { + if ((taop = tcp_gettaocache(&tp->t_inpcb->inp_inc)) == NULL) { taop = &tao_noncached; bzero(taop, sizeof(*taop)); } |