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| faq:tcpip [2020/04/17 20:20] – [Bind] Add a sub-section heading for rebind digital man | faq:tcpip [2024/11/02 13:48] (current) – [Ports] List the disabled service ports too (for reference) digital man |
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| |WS |1123 | |WebSocket Service - to support the [[http://ftelnet.ca|fTelnet web browser-based terminal]] | | |WS |1123 | |WebSocket Service - to support the [[http://ftelnet.ca|fTelnet web browser-based terminal]] | |
| |WSS |11235 | |WebSocket Secure Service - to support the [[http://ftelnet.ca|fTelnet web browser-based terminal]] over TLS | | |WSS |11235 | |WebSocket Secure Service - to support the [[http://ftelnet.ca|fTelnet web browser-based terminal]] over TLS | |
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| | Additionally, a default Synchronet installation includes *disabled* servers and services on the following ports: |
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| | ^Protocol ^TCP ^UDP ^Comments^ |
| | |QOTD |17 |17 |Allows remote querying of BBS's auto-message (e.g. via ''qotdservice.js'')| |
| | |IMAP |143 |- |Allows remote download of user's email (similar to POP3, via ''imapservice.js'')| |
| | |IMAPS |993 |- |Allows secure remote download of user's email (similar to POP3/TLS)| |
| | |BINKP |24554 |- |Allows exchange of FidoNet files (e.g. mail bundles and packets, via ''binkit.js'')| |
| | |BINKPS |24553 |- |Allows secure exchange of FidoNet files| |
| | |NNTPS |563 |- |Allows BBS users to securely read and post messages using standard news readers/clients| |
| | |Hotline |5500 |- |Allows interaction with Hotline client| |
| | |Hotline-TRANS |5501 |- |""| |
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| Enabling connectivity to Synchronet through your firewall is no different than enabling connectivity to any other TCP/IP server. Follow your firewall documentation for forwarding or opening ports for TCP/IP servers located "behind" the firewall. Your firewall may have the option of placing the entire BBS computer in a "DMZ" (opening all its ports to the public Internet), but doing so is not normally recommended. | Enabling connectivity to Synchronet through your firewall is no different than enabling connectivity to any other TCP/IP server. Follow your firewall documentation for forwarding or opening ports for TCP/IP servers located "behind" the firewall. Your firewall may have the option of placing the entire BBS computer in a "DMZ" (opening all its ports to the public Internet), but doing so is not normally recommended. |
| sbbs: term 0001 Will retry in 15 seconds (1 of 2) | sbbs: term 0001 Will retry in 15 seconds (1 of 2) |
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| ... this is most likely because a TCP session is stuck in a ''TCP TIMEWAIT'' state (you can use ''[[man>netstat]]'' to verify this). The session will eventually time-out and close properly on its own, allowing the port to be re-bound at that time. To work-around this problem, you can either increase the ''BindRetryCount'' and/or ''BindRetryDelay'' values in your ''[[dir:ctrl]]/[[config:sbbs.ini]]'' file, or you can add the following line to the root section of your ''[[dir:ctrl]]/[[config:sockopts.ini]]'' file: | ... this is most likely because a TCP session is stuck in a TCP "TIME WAIT" or "CLOSE WAIT" state (you can use ''[[man>netstat]]'' to verify this). The session will eventually time-out and close properly on its own, allowing the port to be re-bound at that time. To work-around this problem, you can either increase the ''BindRetryCount'' and/or ''BindRetryDelay'' values in your ''[[dir:ctrl]]/[[config:sbbs.ini]]'' file, or you can add the following line to the root section of your ''[[dir:ctrl]]/[[config:sockopts.ini]]'' file: |
| REUSEADDR=1 | REUSEADDR=1 |
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