> We are not rolling our own. Whether we host it ourselves or pay for a service, we’re getting something off the shelf that best meets our needs. I sincerely hope it’s not Slack and some restricted search archive platform. Moving away from IRC to a newer system could provide long lived archives to users. But if privacy is very important, then a “no archive” option would be fine (similar to IRC). Anything in between,…
The fact that port 80 and 443 are less likely to be blocked is a distant, secondary factor. Frankly, I've never been on a network that blocked other outbound ports. And I've definitely never seen a network where hosted services could only ever receive traffic on port 80 or 443. Rather, I think it's more (if not entirely) a matter of people justifying the use of web stacks to implement services which cry out for simpler solutions.