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authorHannes Frederic Sowa <hannes@stressinduktion.org>2013-07-26 17:43:23 +0200
committerDavid S. Miller <davem@davemloft.net>2013-07-30 16:15:18 -0700
commit5ad37d5deee1ff7150a2d0602370101de158ad86 (patch)
tree602cac8fe98e0911753b7ff0485756962c2d232a /Documentation/networking
parentdcfd8d5830f8cc9062eb7040f455c034e8d160e6 (diff)
downloadop-kernel-dev-5ad37d5deee1ff7150a2d0602370101de158ad86.zip
op-kernel-dev-5ad37d5deee1ff7150a2d0602370101de158ad86.tar.gz
tcp: add tcp_syncookies mode to allow unconditionally generation of syncookies
| If you want to test which effects syncookies have to your | network connections you can set this knob to 2 to enable | unconditionally generation of syncookies. Original idea and first implementation by Eric Dumazet. Cc: Florian Westphal <fw@strlen.de> Cc: David Miller <davem@davemloft.net> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/ip-sysctl.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 53cea9b..36be26b 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -440,6 +440,10 @@ tcp_syncookies - BOOLEAN
SYN flood warnings in logs not being really flooded, your server
is seriously misconfigured.
+ If you want to test which effects syncookies have to your
+ network connections you can set this knob to 2 to enable
+ unconditionally generation of syncookies.
+
tcp_fastopen - INTEGER
Enable TCP Fast Open feature (draft-ietf-tcpm-fastopen) to send data
in the opening SYN packet. To use this feature, the client application
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