I noticed sometimes websites wouldn't load at random through a FreeBSD box and other systems on the same link didn't have the issue. I believe it is because of the low default limit of 128 TCP connections that caused the problem. It would also slow down any traffic that requires many connections such as Bittorrent.
The fix is to increase the amount of connections to at least 1024
Edit [b:520b050d3e]/etc/sysctl.conf[/b:520b050d3e]
[quote:520b050d3e]kern.ipc.somaxconn=1024[/quote:520b050d3e]
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