Tn5250j Alternatives

tn5250j reviews and mentions

• [Rant] Your Software Isn't the Only One Our Company Uses FFS
  2 projects | /r/sysadmin | 7 Dec 2023

  Your users are probably using some of the extended functionality from IBM's client, but keep in your back pocket that third party tn5250 clients will also work. An example that supports TLS (telnet over TLS, or telnets) is tn5250j, which runs in a JVM.

• IBM AS/400: Databases all the way down [video]
  4 projects | news.ycombinator.com | 2 May 2023

  Video author here -- The terminal emulator is tn5250j [0], configured to use the IBM Plex Mono [1] font. Full-screen it on a 1080p display and it really is quite pleasant! And there's something that just feels "right" about using IBM's font in this case.

  [0] http://tn5250j.org/

• Telnet connection issues: "Could not open connection to the host, on port 23: Connect Failed"
  1 project | /r/sysadmin | 15 Apr 2023

  There's also telnets://, telnet over TLS on tcp/992. That's rare to find outside of tn5250 and tn3270 host terminal emulations, but we use it here and there. The tn5250j open-source client supports telnets, and you should be using telnets if you're using tn5250.

• IBM Client Access vs. generic tn5250 over TLS.
  1 project | /r/IBMi | 19 Nov 2022

  But there are also third party solutions, like this Java-based tn5250 client that supports TLS encryption for sessions. It often seems like mainstream users need nothing that can't be solved with third-party software. Perhaps developers might need some feature in Client Access, but not app users, generally.

• Old customer hardware hah!
  1 project | /r/sysadmin | 19 Nov 2022

  There are various reasons why sites might want to use the official IBM Client Access app (Java) on an MS TS, but at the same time mainstream users aren't usually using those features. Depending on the site, users can use a generic tn5250 client with TLS encryption support (also Java).

• Replacement for Java?
  3 projects | /r/sysadmin | 30 May 2022

  If the AS/400 application is just a tn5250 client, then you can use anything that supports tn5250+TLS, like this Java based one that runs fine on OpenJDK. If it's a currently-supported version of IBM ACS, then ask IBM -- they used to have their own JDK/JRE.

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