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535be4692f
[ Upstream commit a799aea098 ]
Using the following example:
client 1.1.1.7 ---> 2.2.2.7 which dnat to 10.0.0.7 server
The first reply packet (ie. syn+ack) uses an incorrect destination
address for the reverse route lookup since it uses:
daddr = ct->tuplehash[!dir].tuple.dst.u3.ip;
which is 2.2.2.7 in the scenario that is described above, while this
should be:
daddr = ct->tuplehash[dir].tuple.src.u3.ip;
that is 10.0.0.7.
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.