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tcp: doc : fix the syncookies default value

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syncookies is on for default since in commit e994b7c901
(tcp: Don't make syn cookies initial setting depend on CONFIG_SYSCTL).

And fix a typo of CONFIG_SYN_COOKIES.

Signed-off-by: Shan Wei <davidshan@tencent.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shan Wei 2013-06-21 15:18:32 +08:00 committed by David S. Miller
parent 4eb313a7a9
commit a3c910d2e7
1 changed files with 2 additions and 2 deletions
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4
Documentation/networking/ip-sysctl.txt
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@ -420,10 +420,10 @@ tcp_synack_retries - INTEGER
for a passive TCP connection will happen after 63seconds.
tcp_syncookies - BOOLEAN
Only valid when the kernel was compiled with CONFIG_SYNCOOKIES
Only valid when the kernel was compiled with CONFIG_SYN_COOKIES
Send out syncookies when the syn backlog queue of a socket
overflows. This is to prevent against the common 'SYN flood attack'
Default: FALSE
Default: 1
Note, that syncookies is fallback facility.
It MUST NOT be used to help highly loaded servers to stand