diff options
| -rw-r--r-- | man/sysctl.d.xml | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/man/sysctl.d.xml b/man/sysctl.d.xml index 8a131791a5..e5b2bc0ac9 100644 --- a/man/sysctl.d.xml +++ b/man/sysctl.d.xml @@ -123,11 +123,12 @@ </example> <example> - <title>Disable packet filter on bridged packets (method one)</title> + <title>Apply settings available only when a certain module is loaded (method one)</title> <para><filename>/etc/udev/rules.d/99-bridge.rules</filename>: </para> - <programlisting>ACTION=="add", SUBSYSTEM=="module", KERNEL=="bridge", RUN+="/usr/lib/systemd/systemd-sysctl --prefix=/net/bridge" + <programlisting>ACTION=="add", SUBSYSTEM=="module", KERNEL=="br_netfilter", \ + RUN+="/usr/lib/systemd/systemd-sysctl --prefix=/net/bridge" </programlisting> <para><filename>/etc/sysctl.d/bridge.conf</filename>: @@ -137,14 +138,20 @@ net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 </programlisting> + + <para>This method applies settings when the module is + loaded. Please note that unless the <filename>br_netfilter</filename> + module is loaded, bridged packets will not be filtered by + netfilter (starting with kernel 3.18), so simply not loading the + module is suffient to avoid filtering.</para> </example> <example> - <title>Disable packet filter on bridged packets (method two)</title> + <title>Apply settings available only when a certain module is loaded (method two)</title> <para><filename>/etc/modules-load.d/bridge.conf</filename>: </para> - <programlisting>bridge</programlisting> + <programlisting>br_netfilter</programlisting> <para><filename>/etc/sysctl.d/bridge.conf</filename>: </para> @@ -153,6 +160,12 @@ net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 </programlisting> + + <para>This method forces the module to be always loaded. Please + note that unless the <filename>br_netfilter</filename> module is + loaded, bridged packets will not be filtered with netfilter + (starting with kernel 3.18), so simply not loading the module is + suffient to avoid filtering.</para> </example> </refsect1> |