diff options
| author | Giuseppe Scrivano <gscrivan@redhat.com> | 2020-07-17 10:39:40 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-07-24 13:21:41 +0200 |
| commit | 5105e844c2ff6a3e320bf8cdadc5094d4eaef2b7 (patch) | |
| tree | 00a9703ddda483c8a9918e6a9e39d7cd3a8d659c /iptables/iptables.8.in | |
| parent | c03b3166d67ef9606fdf52c34cfd38a8bf78a4ab (diff) | |
iptables: accept lock file name at runtime
allow users to override at runtime the lock file to use through the
XTABLES_LOCKFILE environment variable.
It allows to use iptables when the user has granted enough
capabilities (e.g. a user+network namespace) to configure the network
but that lacks access to the XT_LOCK_NAME (by default placed under
/run).
$ XTABLES_LOCKFILE=/tmp/xtables unshare -rn iptables ...
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'iptables/iptables.8.in')
| -rw-r--r-- | iptables/iptables.8.in | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/iptables/iptables.8.in b/iptables/iptables.8.in index 054564b3..999cf339 100644 --- a/iptables/iptables.8.in +++ b/iptables/iptables.8.in @@ -397,6 +397,14 @@ corresponding to that rule's position in the chain. \fB\-\-modprobe=\fP\fIcommand\fP When adding or inserting rules into a chain, use \fIcommand\fP to load any necessary modules (targets, match extensions, etc). + +.SH LOCK FILE +iptables uses the \fI@XT_LOCK_NAME@\fP file to take an exclusive lock at +launch. + +The \fBXTABLES_LOCKFILE\fP environment variable can be used to override +the default setting. + .SH MATCH AND TARGET EXTENSIONS .PP iptables can use extended packet matching and target modules. |