diff options
Diffstat (limited to 'man/systemd.socket.xml')
| -rw-r--r-- | man/systemd.socket.xml | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml index 6cf6c79e11..7885b0748a 100644 --- a/man/systemd.socket.xml +++ b/man/systemd.socket.xml @@ -170,8 +170,13 @@ <para>If the address string is a single number it is read as port - number to listen on for both IPv4 and - IPv6.</para> + number to listen on via + IPv6. Depending on the value of + <varname>BindIPv6Only=</varname> (see below) this + might result in the service being + available via both IPv6 and IPv4 (default) or + just via IPv6. + </para> <para>If the address string is a string in the format v.w.x.y:z it is @@ -181,7 +186,12 @@ <para>If the address string is a string in the format [x]:y it is read - as IPv6 address x on a port y.</para> + as IPv6 address x on a port y. Note + that this might make the service + available via IPv4, too, depending on + the <varname>BindIPv6Only=</varname> + setting (see below). + </para> <para>Note that SOCK_SEQPACKET (i.e. <varname>ListenSequentialPacket=</varname>) @@ -286,7 +296,10 @@ default, surprise!) the system wide default setting is used, as controlled by - <filename>/proc/sys/net/ipv6/bindv6only</filename>.</para> + <filename>/proc/sys/net/ipv6/bindv6only</filename>, + which in turn defaults to the + equivalent of + <option>both</option>.</para> </listitem> </varlistentry> |