Subj : Connection Tests
To   : Nigel Reed
From : Victor Sudakov
Date : Fri Apr 07 2023 12:32 am

Dear Nigel,

06 Apr 23 09:59, you wrote to All:
 >>
 >>  VS> Does anyone know what software clients actually support IPv6
 >>  VS> Pin-holing?
 >>
 >> I am not sure what you mean by "software clients" in this context.
 >> IPv6 pin-holing is something that is applied to a firewall.
 >> Firewalls are found in routers and OSs.
 >>
 >>  VS> I would think Bittorrent clients and utilities like syncthing
 >>  VS> should (because they support UPnP for IPv4), but I guess they
 >>  VS> don't do IPv6 Pin-holing. Maybe some games?

 NR> I think he means software that uses uphp to open ports on a firewall
 NR> as and when they are needed, and the firewalls that respond to
 NR> such requests by opening the port. Therefore the app is poking a
 NR> pinhole through the firewall.

Correct. I know some software that can have ports opened on an IPv4 firewall, 
but none so far which can do that to an IPv6 firewall (even if the firewall 
claims that it supports IPv6 pinholing, who can make use of it?).

Victor Sudakov, VAS4-RIPE, VAS47-RIPN
--- GoldED+/BSD 1.1.5-b20170303-b20170303
 * Origin: Ulthar (2:5005/49)

.