Date: Fri, 6 Jul 2001 09:52:22 +0200 From: Enriko Groen <enriko.groen@netivity.nl> To: 'Artem Koutchine' <matrix@ipform.ru>, questions@FreeBSD.ORG Subject: RE: UDP client behind a nat. How? Message-ID: <510EAC2065C0D311929200A0247252622F7959@NETIVITY-FS>
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> -----Original Message----- > From: Artem Koutchine [mailto:matrix@ipform.ru] > I don't undertstand how ICQ works behind > natl? How does server send data to > the client, which is behind a NAT firewall? > As far as i know iCQ uses UDP and does not > keep connection open, so, no soket associated > with the ICQ on NAT or ICQ SERVER. ICQ client > cannot be accessed directly. Then HOW does > a message appear in ICQ when server gets it? > I need to know it because i need to do the same > thing. You confuse two things: Yes, ICQ uses UDP and UDP is connectionless... however it does use a socket/port. So you'll need to open the ICQ port on your firewall. I think it is 4000, but I'm not that sure. -- Enriko Groen, Hosting manager -------------------------------------------------------- netivity bv www.netivity.nl enriko.groen@netivity.nl 038 - 850 1000 van nagellstraat 4 8011 eb zwolle -------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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