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authorStephen Hemminger <shemminger@osdl.org>2005-11-04 00:33:23 (GMT)
committerArnaldo Carvalho de Melo <acme@mandriva.com>2005-11-05 23:23:15 (GMT)
commit6df716340da3a6fdd33d73d7ed4c6f7590ca1c42 (patch)
tree1b3ba3d1a0a08b9b4eaa624a66414b87a70b6fe9 /net/ipv4/tcp.c
parent6151b31c9616d71f714fc7ef8e2306f67f3b94c3 (diff)
downloadlinux-6df716340da3a6fdd33d73d7ed4c6f7590ca1c42.tar.xz
[TCP/DCCP]: Randomize port selection
This patch randomizes the port selected on bind() for connections to help with possible security attacks. It should also be faster in most cases because there is no need for a global lock. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f3f0013..72b7c22 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2112,7 +2112,6 @@ void __init tcp_init(void)
sysctl_tcp_max_orphans >>= (3 - order);
sysctl_max_syn_backlog = 128;
}
- tcp_hashinfo.port_rover = sysctl_local_port_range[0] - 1;
sysctl_tcp_mem[0] = 768 << order;
sysctl_tcp_mem[1] = 1024 << order;