For OGR is there a reason NOT to use port 80?

[Eug]

I'm using 80 for 4 computers at work with no problems (via Mika's). I'm using 2064 at home. It just occurred to me that I have no idea why we are told to use 2064. Why not just minimize the number of ports open? Is there any issue with personal firewalls with 2064?

 

[nukefarmer]

Port 2064 is the default port for keyproxies/servers. Port 80 is the official port for webservers, but is sometimes also used by keyproxies to allow people behind strict firewalls to flush their blocks (port 80 is usually not blocked by firewalls because it's mainly used for websurfing).
If a keyproxy is running on port 80 this also means it can't run a webserver on the same port (to show stats etc.).
So that's the main reason for using another port.
Also those ports are open on the server not on your client computers, so it doesn't introduce any extra security risk.