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* extensions: ipcomp: Add comment to clarify xlate callbackPhil Sutter2022-11-241-3/+0
| | | | | | | | | | Kernel ignores 'hdrres' field, this matching on reserved field value was never effective. While being at it, drop its description from man page. Continue to parse and print it for compatibility reasons, but avoid attracting new users. Signed-off-by: Phil Sutter <phil@nwl.cc>
* iptables: Add IPv4/6 IPcomp match supportfan.du2013-12-241-0/+7
This patch enables user to set iptables ACTIONs for IPcomp flow specified by its SPI value. For example: iptables -A OUTPUT -p 108 -m ipcomp --ipcompspi 0x12 -j DROP ip6tables -A OUTPUT -p 108 -m ipcomp --ipcompspi 0x12 -j DROP IPcomp packet with spi as 0x12 will be dropped. Signed-off-by: Fan Du <fan.du@windriver.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>