"Resource temporarily unavailable": a firewall issue?

From: Doru-Catalin Togea (doru-cat_at_ifi.uio.no)
Date: 07/27/04 

Date: Tue, 27 Jul 2004 16:07:32 +0200

Hi!

I have some simple client and server programs which use UDP sockets. They
worked under RH9 (2.4.20) but do not work with FC2 (2.6.7), the client
bloking on the recvfrom() call while the sender repeatedly sends data.

Considering my code is lousy, I have rewritten the apps using Qt's
QSocketDevices, with the same result.

The receiver generates the "Resource temporarily unavailable" error.

Some googleing made me look at the output of "netstat -s | more" which for
UDP is:

Udp:
    731 packets received
    26 packets to unknown port received.
    0 packet receive errors
    1298 packets sent

For each time I ran the server I can see the counter of the packets sent
being increased, while the other numbers remain unchainged.

Upon installation of FC2 I have enabled those firewall settings which the
installation programme suggested. Are they to be blamed? Both my client
and my server run locally, on 127.0.0.1:5000.

Any idea?
Thanks,
Catalin 

-- 
        <<<< ================================== >>>>
        <<     We are what we repeatedly do.      >>
        <<  Excellence, therefore, is not an act  >>
        <<             but a habit.               >>
        <<<< ================================== >>>>

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