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| author | Hannes Frederic Sowa <hannes@stressinduktion.org> | 2013-07-26 17:43:23 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-07-30 16:15:18 -0700 |
| commit | 5ad37d5deee1ff7150a2d0602370101de158ad86 (patch) | |
| tree | 602cac8fe98e0911753b7ff0485756962c2d232a /Documentation | |
| parent | dcfd8d5830f8cc9062eb7040f455c034e8d160e6 (diff) | |
| download | linux-5ad37d5deee1ff7150a2d0602370101de158ad86.tar.gz linux-5ad37d5deee1ff7150a2d0602370101de158ad86.tar.bz2 linux-5ad37d5deee1ff7150a2d0602370101de158ad86.zip | |
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')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 53cea9bcb14c..36be26b2ef7a 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 |