Transmission

Hello,

First - congrats on the release !

Looks like when I fire up the new release (this is on latest Catalina - 10.15.4) - there is a UPnP request (IGD2) that looks like it "mangles" my IPv6 address into something like an IPv4 address / field.

My firewall log shows this:


May 23 13:17:13 ice ...

I've also gotten PCP (Port Control Protocol) working on my miniupnpd on my firewall for IPv6. I'm able to test that as well now.

I don't know that there's much prior work (if any) on this out in the real world. But would it make sense to perhaps attempt IGDv2/WANIPv6FirewallControl first ? And if ...

Replying to myself...

I took a quick 'grep -ir' look through Transmission source code (as well as looking closer at upnp.c and port-forwarding.c) and didn't see anything regarding IPv6.

Here's what I run to open a pinhole successfully on my firewall:

upnpc -6 -A "" 0 2001:db8:1234::5678 12345 ...

Hello,

I debated if I should have posted this in the feature requests sub, but I wanted to confirm some things first.

When you choose "automatically map port" - Transmission will go through the mechanics of requesting a port forward via UPnP (IPv4). This works just fine.

For IPv6 though, even ...