On 21/04/2021 08:29, Todd Zullinger wrote:
Hi Ed,
Ed Greshko wrote:
Does anyone know of a way to get ncat to listen on port 53 when using systemd-resolved?
[root@meimei ~]# ncat -l -4 -p 53
Ncat: bind to 0.0.0.0:53: Address already in use. QUITTING.
You can't bind to the port if it's already in use. But if
you're okay with using a local IP, you can bind to 127.0.0.2
(or anything > .1, if resolved or other dns server are
listening on localhost).
$ sudo ncat -l -4 127.0.0.2 53
I didn't use the -p option there, as it's for the source
port. Using the -p option doesn't do what I presume you
want, which is to have ncat listening on port 53 so you can
connect to it for testing.
OK, I confused myself by using IP:port.
But still....
[root@f33g ~]# ncat -l -4 192.168.122.26 53
Ncat: bind to 192.168.122.26:53: Cannot assign requested address. QUITTING.
(no rants, please)
Where's the fun in that? ;)
That kind of "fun" I can do without.
--
Remind me to ignore comments which aren't germane to the thread.
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