On 15 Sep 2017, at 11:31, Dave Cottlehuber wrote:
Can you explain what $if:0 resolves to, for example how does it relate
to to the primary ipv4/6 addresses bound to that interface?
I couldn't find a reference in the usual ifconfig manpages about this
(ifname:#) format, the BNF grammar for pf.conf doesn't cover it
either,
and `pfctl -vnf ...` simply shows (lagg0:0).
It tells pf to not use any of the alias addresses. It’s explained in
the pf.conf man page:
Interface names and interface group names can have modifiers
appended:
:network Translates to the network(s) attached to the
interface.
:broadcast Translates to the interface's broadcast
address(es).
:peer Translates to the point-to-point interface's
peer
address(es).
:0 Do not include interface aliases.
Host names may also have the :0 option appended to restrict
the name
resolution to the first of each v4 and v6 address found.
Regards,
Kristof
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