Synchronet v3.21e-Win32 (install) has been released (Mar-2026).

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faq:tcpip [2025/07/08 13:49] – [SSH Session Key] Note the self-signed cert option, new to v3.21 digital manfaq:tcpip [2026/01/26 14:58] (current) – [Ports] WebSocketsSecure, aka WSS digital man
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 [[http://vert.synchro.net/scanmyports.ssjs|This page]] or [[http://cvs.synchro.net/scanmyports.ssjs|this one]] can be used to scan your host (your BBS computer) for open ports and active TCP/IP (including UDP) services. **The password is //sbbs//**. [[http://vert.synchro.net/scanmyports.ssjs|This page]] or [[http://cvs.synchro.net/scanmyports.ssjs|this one]] can be used to scan your host (your BBS computer) for open ports and active TCP/IP (including UDP) services. **The password is //sbbs//**.
 +
 +Additionally, an advanced Synchronet installation may make //outbound// requests to the following ports:
 +
 +^Protocol ^TCP ^Comments^
 +|MQTT           |1883   |[[howto:MQTT|Message Queue Telemetry Transport]] |
 +|MQTT/TLS       |8883   |Secure MQTT |
 +|MQTT/WS        |1884   |MQTT over WebSockets |
 +|MQTT/WS/TLS    |8884   |MQTT over WebSocketsSecure (aka WSS) |
  
 ===== Private IP ===== ===== Private IP =====
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 :!: **Answer:**\\ :!: **Answer:**\\
-Rename/move or delete your ''[[dir:ctrl]]/cryptlib.key'' file. +Rename/move or delete your ''[[config:cryptlib.key]]'' file.
- +
-If you're using TLS for your other [[server:|Synchronet servers (e.g. web, mail, ftp, etc.)]], you may also need to rename/move or delete your ''[[dir:ctrl]]/ssl.cert'' file+
- +
-These files (''cryptlib.key'' and ''ssl.cert'') are encrypted with the Synchronet //system password//, so if the system password is changed then these files must also be regenerated. The files are automatically recreated by //sbbs// upon startup if they do not already exist.+
  
-In Synchronet v3.21 and later, a self-signed ''ssl.cert'' file is only created upon sbbs startup when the [[util:SCFG]]->System->Security Options->Create Self-signed Certificate option is set to "Yes". To create a CA-signed TLS/SSH certificate, see [[module:letsyncrypt]].+If you're using TLS for your other [[server:|Synchronet servers (e.g. web, mail, ftp, etc.)]], you may also need to rename/move or delete your ''[[config:ssl.cert]]'' file.
  
 ===== SSH Errors ===== ===== SSH Errors =====