Re: lists

[Marco Moock <mm@dorfdsl.de>]

Am 20.12.2023 um 15:58:48 Uhr schrieb Joe:

> For many years my SMTP server has requested an ident (TCP port 113)
> from outside sending servers. Since nobody now runs ident servers,
> there will be no reply, and my server waits for a timeout of thirty
> seconds before continuing.

Good admins don't use DROP in firewalls, so either you get a TCP RST
(because no application listens on that port) or a ICMP administratively
prohibited, so your server knows that no identd runs there and can
continue.