If your code works for others, then I doubt that rewriting the script would be necessary. You might want to see what is different about the client's machine.
I ran into a similar problem when a server changed SMTP ports from 25 to 26, but you say you are using the same port with telnet. It would be nice of you could get an error message.
In reply to Re: hung reading first line of socket
by spiritway
in thread hung reading first line of socket
by blahblahblah
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