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37d220b58d
TCP connections in UNREPLIED state (only SYN seen) can be kept alive indefinitely, as each SYN re-sets the timeout. This means that even if a peer has closed its socket the entry never times out. This also prevents re-evaluation of configured NAT rules. Add a test case that sets SYN timeout to 10 seconds, then check that the nat redirection added later eventually takes effect. This is based off a repro script from Antonio Ojea. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.