Date: Fri, 20 Feb 1998 12:49:20 -0800 From: Paul Traina <pst@Shockwave.COM> To: undisclosed-recipients:; Subject: getting remote side of tcp connection's address before accept()? Message-ID: <199802202049.MAA06914@precipice.shockwave.com>
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------- Blind-Carbon-Copy To: questions@freebsd.org Subject: getting remote side of tcp connection's address before accept()? Date: Fri, 20 Feb 1998 12:49:20 -0800 From: Paul Traina <pst@precipice.shockwave.com> Folks, I'd like to be able to refuse tcp connections to a particular daemon from a certain list of addresses. What I'd ideally like to do is bind and listen on a socket, then when a connection request comes in, check the remote peer's address information, and allow the connection only if the address info was correct. If I do it with a standard: bind listen accept if (!good_address) close The tcp connection is accepted and then closed. I want the TCP connection to be refused, never accepted. Under ISO/TP4, the accept(2) and recvmsg(2) manual pages inply you can pull this off by closing the accept'ed socket before ever doing any real read/write operations to it. Has anyone ever pulled this off with tcp sockets? ------- End of Blind-Carbon-Copy To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the messagehome | help
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