Your message dated Sun, 13 Mar 2011 18:41:16 +0000
with message-id <1300041676.4146.238.camel@localhost>
and subject line Re: Enable syn cookies by default
has caused the Debian Bug report #520668,
regarding Enable syn cookies by default
to be marked as done.
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--
520668: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=520668
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: procps
Version: 1:3.2.7-11
Severity: wishlist
Hi,
Could syn cookies be enabled by default?
AFAIK syn cookies only get send when the half-open TCP connection queue is
full. So stuff like window scaling should work fine in normal situations.
Greetings,
Olaf
# Uncomment the next line to enable TCP/IP SYN cookies
# This disables TCP Window Scaling (http://lkml.org/lkml/2008/2/5/167),
# and is not recommended.
#net.ipv4.tcp_syncookies=1
-- System Information:
Debian Release: 5.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.26-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages procps depends on:
ii libc6 2.7-18 GNU C Library: Shared libraries
ii libncurses5 5.7+20081213-1 shared libraries for terminal hand
ii lsb-base 3.2-20 Linux Standard Base 3.2 init scrip
Versions of packages procps recommends:
ii psmisc 22.6-1 Utilities that use the proc filesy
procps suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
SYN cookies have been enabled by default since 2.6.37. This was an
upstream change, following enhancements to SYN cookies that addressed
the problems they used to have.
The default will not be changed in 'squeeze'.
Ben.
--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
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