I ran into the exact same results and limitations myself. Ran some test on Win2k with the latest ActiveState Python 2.3.2 build. It has its limit at 512 sockets on a select. using its multi-threading, I got up to 2000 threads using blocking sockets. I could not create any more threads at that point. a non-blocking multiplexing approach using arrays of 512 sockets using select got me 4000 sockets ok. That is where I stopped.

In reply to Re: Re: maximum number of open ports per process on win98 by Anonymous Monk
in thread maximum number of open ports per process on win98 by pg

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