Creating socket with socat

[Parodper]

I'm trying to make a remote socket local by using socat.
The idea would be

Remote: socket -socat-> TLS
Local: TLS -socat-> socket

When I run:

socat UNIX-LISTEN:remote.socket,unlink-early OPENSSL-CONNECT:remote..

on the local FreeBSD 13.2 machine, it appears to wait for connections,
but when I try to do nc -U remote.socket it fails with:

E setsockopt(7, 41, 27, {1}, 4): Invalid argument

The remote, for their part, doesn't even register the connection.


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[Felix Palmen]

Post by Parodper
I'm trying to make a remote socket local by using socat.
[...]
E setsockopt(7, 41, 27, {1}, 4): Invalid argument

I'm not entirely sure I fully understand the scenario and the error. But
if your goal is to access some local unix domain socket on a remote
machine, I have my own pet tool for exactly that purpose here:
<https://github.com/Zirias/remusock>

Maybe you find it useful. The FreeBSD port linked there isn't really
polished, so far I didn't expect anyone would want to see that tool in
the official ports tree :)

Also, I hope I can release some update soon that would finally also
support a config file instead of entirely relying on command line
arguments.