Subj : Port Binding Crashes
To   : Xofraq
From : Nightfox
Date : Thu Aug 29 2024 12:07 pm

 Re: Port Binding Crashes
 By: Xofraq to All on Thu Aug 29 2024 07:49 am

Xo> I have been having some issues with my new setup and I am trying to get
Xo> some info on what might be causing the crash. In the past 2 days I have
Xo> been getting port already in use errors for all of my services like this
Xo> one:

Xo> !ERROR 98 binding FTP server socket to port 21: address already in use

Does Synchronet actually crash when this happens?  This means another server is already running on the same port (21), so Synchronet can't use that port. This is just an error, and I don't think Synchronet will crash when this happens; it just can't bind to the port.

One way you can check what process is listening on port 21 is with this command:
sudo lsof -i -P -n |grep LISTEN |grep :21

One thing I've noticed is that after shutting down sbbs, it can take a couple minutes for it to fully shut down, so if I try to start sbbs up again too soon, some of the ports might still be in use.

Nightfox

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