On Thu, Dec 13, 2018 at 10:40 AM Ted Unangst <tedu@tedunangst.com> wrote:
> netstat -an tells me I am listening to all the udp.
>
> Active Internet connections (including servers)
> Proto Recv-Q Send-Q Local Address Foreign Address
> (state)
> udp 0 0 *.* *.*
> udp 0 0 127.0.0.1.53 *.*
> udp 0 0 *.* *.*
> udp 0 0 *.5353 *.*
> udp 0 0 *.* *.*
>
> What are those *.* sockets doing? How can you listen to all the ports?
>
Those are just UDP sockets on which connect() hasn't been called and that
aren't in the middle of a recvfrom() or recvmsg(), no?
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?"
Philip Guenther
No comments:
Post a Comment