Claudio Jeker wrote: > On Fri, Dec 14, 2018 at 01:26:25PM -0500, Ted Unangst wrote: > > Philip Guenther wrote: > > > And, perhaps more directly, how would I block this in pf.conf? > > > > > > > > > > Excellent choice, blocking dhclient from receiving the leases that it > > > requests. > > > "What problem are you trying to solve?" > > > > Well, this may be something of a lost cause, but I would prefer that chrome > > not listen for stuff I don't understand. It listens on port 5353 as well, > > for > > mDNS, and I can block that easily enough. It's the socket without a port > > that's giving me trouble. > > But a socket without a port is not listening on anything. It will not get > any packets. It does not need to be filtered. This is how UDP works, it is > a connectionless protocol.
ok, thank you, I was confused because they show up in netstat -ln too. I guess that's just historic how it is behavior.
