BBS:      TELESC.NET.BR
Assunto:  Error 98 - Telnet Port 23
De:       Digital Man
Data:     Sat, 31 Jan 2026 19:34:00 -0800
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  hbRenb: hcError 98 - Telnet Port 23 Locking
  bBynb: hcWaveyuk bto cAll bon cSat Jan 31 2026 05:43 pmn

 > Hi!
 >
 > Yup, me again. I swear you're all going to get sick of me posting haha!
 >
 > Just a very strange one. So, running the BBS (V3.20d) on Linux and Telnet
 > port 23. Every now and again, for no reason at all it seems when someone
 > logs off all the nodes go down

It wouldn't be "for no reason at all", most likely there was a configuration file change made and the server is recycling to bring in those configuration changes. The log output would tell you why.

 > and I get the message:
 >
 > !Error 98 binding Telnet server socket to port 23: Address already in use
 >
 > I've checked and the server isn't running anything like an inetd service.
 > Synchronet is the only service bound to port 23. Yet it seems to get it's
 > knickers in a right twist and for about 60 seconds, nobody can log into the
 > BBS as port 23 is locked.
 >
 > Any ideas, pointers, something obvious I might have missed?

Covered in this FAQ (with solution):
https://wiki.synchro.net/faq:tcpip#rebind
-- 
                                            HYdigital man n(rob)

Synchronet "Real Fact" #22:
The second ever Synchronet BBS was the Mid-Nite Hacker BBS (sysop: The Zapper)
Norco, CA WX: 70.3F, 29.0% humidity, 1 mph E wind, 0.00 inches rain/24hrs
n---
  mSynchronetn  hgVertrauen n hHome of Synchronet n gh[vert/cvs/bbs].synchro.net

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