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Newsgroups: comp.unix.bsd Path: sserve!newshost.anu.edu.au!munnari.oz.au!hpg30a.csc.cuhk.hk!saimiri.primate.wisc.edu!nntp.msstate.edu!gatech!howland.reston.ans.net!EU.net!julienas!nenuphar.saclay.cea.fr!argentine!leroy From: leroy@suisse.far.cea.fr (Christophe LEROY) Subject: UDP Checksum control Message-ID: <1994Feb3.182545.16563@nenuphar.saclay.cea.fr> Sender: leroy@argentine (Christophe LEROY) Date: Thu, 3 Feb 1994 18:25:45 GMT Nntp-Posting-Host: argentine.far.cea.fr Organization: Commissariat a l'Energie Atomique (CEA), France. Lines: 18 Hello, I read that checksum control with UDP datagram communication was optionnal: Some systems use a default configuration for UDP sockets with checksum control, and some don't... I am developping a application running over SunOS, that needs checksum control, because it has to receive datagrams coming from another system, using a very unreliable media. My question is: How can UDP sockets checksum control be enabled on SunOS ? I looked around setsockopt and ioctl option, but couln't find any lead... Thanks by advance.