bug#47431: Process Whois connection broken by remote peer.

[Eli Zaretskii]

> From: Hongyi Zhao <hongyi.zhao@gmail.com>
> Date: Sun, 28 Mar 2021 09:41:20 +0800
> Cc: 47431@debbugs.gnu.org
> 
> > I think that's unrelated, so I don't understand why it hangs
> > indefinitely for you.  Are you sure you waited enough time before
> > giving up?
> 
> It will hang up there forever.

Maybe your network connection blocks some addresses or something?
Otherwise, how to explain that it doesn't block for me?