Choosing a Port for realtime multiplayer game

2 pointsRWilson17y ago1 comments

We built realtime multiplayer into a game we're developing. The game was built in Flex, the multiplayer server is based on Apache Mina. We're trying to decide on a port to run that server on that has the least chance of being blocked by company firewalls, school firewalls, etc. etc.

So far, we've been running the multiplayer server on port 443 assuming that no IT department would block the SSL port. But low and behold, we've found at least 1 law firm that blocks port 443 and it has me a little worried.

So, what's the least likely port to be blocked that we could run this multiplayer server on?

Has anybody had any particular experience with choosing a port poorly or wisely?

1 comments

1 comments · 1 top-level

nostrademons17y ago

When I worked on remote-access software that tunneled through firewalls, it ran on port 443 with a configurable backup of 80. You aren't going to get something that's more likely to be open.

Really, if a law firm doesn't want its employees playing multiplayer games on company time, let them block it. And I thought my cofounder was bad for marketing casual games to Deutsch Bank employees. :-P

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