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* man: encode minushyphen the way groff/man requires itJan Engelhardt2023-10-271-1/+1
| | | | | | | | | | | | | | Sparked by a recent LWN article[1], sweeps over the iptables manpages for incorrectly encoded dashes was made by Phil Sutter and myself. An ASCII minushyphen in the source manpage translates to a hyphen in output, so one has to use the sequence "\-" to get a minushyphen in the output, as groff_char(7) explains. [1] https://lwn.net/Articles/947941/ (paywalled until about 2023-11-06) Signed-off-by: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Phil Sutter <phil@nwl.cc>
* libxt_cgroup2: add support for cgroup2 path matchingTejun Heo2015-12-231-13/+20
| | | | | | | | | | | | | | | | | This patch updates xt_cgroup so that it supports revision 1 interface which includes cgroup2 path based matching. v3: Folded into xt_cgroup as a new revision interface as suggested by Pablo. v2: cgroup2_match->userspacesize and ->save and man page updated as per Jan. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Daniel Borkmann <dborkman@redhat.com> Cc: Jan Engelhardt <jengelh@inai.de> Cc: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* cgroup, man: improve man-page bitsDaniel Borkmann2015-04-081-5/+13
| | | | | | | | Document limitations when in use with INPUT until we found a better solution. Also fix up indent in the example section. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* iptables: add libxt_cgroup frontendDaniel Borkmann2014-01-041-0/+15
This patch adds the user space extension/frontend for process matching based on cgroups from the kernel patch entitled "netfilter: xtables: lightweight process control group matching". Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>