Maximum number established TCP connection

Patrick Dung patrick_dkt at
Mon Mar 3 18:30:41 UTC 2008


I would like if there is a (countable) limit for the max TCP connection
of a Apache web server.

1. An apache web server serves a very big iso file.
2. 5000 people tried to connect to the apache server to get the iso
3. They connect to the server gradually (not 5000 people starting at
the same moment). So that there will not be a problem caused by the TCP
backlog limit.
4. There will be 5000 established TCP connections.

Is it true that FreeBSD could handle 'unlimited' established TCP
connections as long as it has enough CPU power and memory?


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