[ANNOUNCE] conntrack-tools 0.9.13 released

[Pablo Neira Ayuso]

Hi!

The netfilter project presents another development release of the
conntrack-tools that includes support for all the protocol helpers
available in 2.6.30 that were missing so far (SCTP, UDPlite, DCCP and
GRE). The daemon updates includes a fix for a memory leak that can be
triggered under heavy load and if you set a hashtable in user-space that
is smaller than the one in the kernel. Moreover, it adds initial support
for DCCP and SCTP state-synchronization.

Please, see changelog attached for more details.

Q: How stable are the conntrack-tools?
A: This software is under development. Nevertheless, it has been tested
in a cluster environment composed of two stateful firewalls running
Debian 4.0 (Etch) with a Linux kernel 2.6.28, keepalived 1.1.15, using
conntrackd in FT-FW mode, randomly (in periods of 10 seconds) setting
links down to force the fail-over between the nodes. The results has
shown no hangs/closure in any TCP connection.

Q: What are the conntrack-tools?
A: The conntrack-tools are:

- The userspace daemon so-called conntrackd that covers the specific
aspects of stateful Linux firewalls to enable high availability
solutions. It can be used as statistics collector of the firewall use as
well. The daemon is highly configurable and easily extensible.

- The command line interface (CLI) conntrack that provides an interface
to add, delete and update flow entries, list current active flows in
plain text/XML, current IPv4 NAT'ed flows, reset counters, and flush the
complete connection tracking table among many other.

Q: Where can I download it from?
A: http://www.netfilter.org/projects/conntrack-tools/downloads.html

Q: Where can I get more information about them?
A: http://conntrack-tools.netfilter.org

Q: Where can I have a look at the user manual?
A: http://conntrack-tools.netfilter.org/manual.html

On behalf of the Netfilter Core Team,
Pablo.
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