Date: Mon, 25 Sep 2000 14:44:23 +0200 (CEST) From: Leif Neland <leifn@neland.dk> To: freebsd-isp@freebsd.org Subject: what is icmp src 8 dst 0? Message-ID: <Pine.BSF.4.21.0009251437350.31545-100000@arnold.neland.dk>
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Last week I aired a problem where some hosts were unable to reach another in 80% of the time. It has now been determined that the almost unreachable server is behind a firewall, which doesn't like being sent icmp's with src port 8 to dst port 0, their consultant said. When it recieves such a packet, the firewall "hides itself" from all packets from that destination in 20 minutes. So the question is "what is icmp src 8 dst 0"? Is it a "legal" request? The source machines are running squid. Leif To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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