From: seaohveh@hoffmanlabs.invalid   
      
   On 2026-02-12 17:34:19 +0000, gcalliet said:   
      
   > I am not at all a good programmer for internet. I was specialized on   
   > internal programmation, and I don't know why, I have always ignored   
   > everything about the network.   
      
   These days, data security, encryption, debugging, telemetry, and   
   networking are at the core of most every major app, and the rest of the   
   app is built around that. Retrofitting is — as you are well aware — a   
   far larger project.   
      
   > Have you some tracks for me doing this home-grown terminal server with   
   > Raspery Pi. I do like the idea, and getting the hardware is simple. But   
   > except for the term proxy, of wich I have some idea - but it is worth   
   > only for web access - I'm very far from just the beginning of the   
   > operation.   
      
   This would be the bastion host I'd mentioned. It can be running tmux or   
   minicom or whatever other apps are minimally necessary. The connection   
   to the interior might be a network, or might be a serial connection.   
      
   https://en.wikipedia.org/wiki/Bastion_host   
      
   > Some questions from an ignorant: how transfering a ssh (external)   
   > session to a telnet or serial (VMS) session? how the ssh session on the   
   > Pi knows about the login/password on VMS?   
      
   VPN or ssh to the bastion host, then telnet or DECnet SET HOST or SET   
   HOST /DTE or xmodem or cu or whatever from there into the interior.   
      
   > On all that I think you have much more intuition than me, and perhaps   
   > some way to get documentation or even contacts.   
      
   There are businesses that provide security services for SCADA   
   environments, as well as digital forensics and incident response and   
   related.   
      
   I've been doing training on OpenVMS and related custom topics, such as   
   covering how an experienced C programmer can program C on OpenVMS, or   
   networking- or security-related topics.   
      
      
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