From owner-freebsd-questions Wed Aug 12 00:21:50 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id AAA07410 for freebsd-questions-outgoing; Wed, 12 Aug 1998 00:21:50 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from resnet.uoregon.edu (resnet.uoregon.edu [128.223.144.32]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id AAA07387; Wed, 12 Aug 1998 00:21:45 -0700 (PDT) (envelope-from dwhite@resnet.uoregon.edu) Received: from localhost (dwhite@localhost) by resnet.uoregon.edu (8.8.5/8.8.8) with SMTP id AAA08737; Wed, 12 Aug 1998 00:21:20 -0700 (PDT) (envelope-from dwhite@resnet.uoregon.edu) Date: Wed, 12 Aug 1998 00:21:19 -0700 (PDT) From: Doug White To: "Aaron D. Gifford" cc: questions@FreeBSD.ORG, stable@FreeBSD.ORG Subject: Re: ipfw problem??? In-Reply-To: <35CF769F.68C80A22@infowest.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 10 Aug 1998, Aaron D. Gifford wrote: > Something's weird with my ipfw setup. It seems to work perfectly as I > expected except for this tiny bit of weirdness. My ipfw setup lets me > ping and traceroute and telnet to my heart's content EXCEPT when the > remote address is within the same class C address space as my own > dynamically assigned IP number. Then I get "sendto: Permission denied." > errors left and right. Why is this? I checked my netmask via 'netstat > -in' and sure enough, my netmask is 255.255.255.255. What's going on > here? Your netmask is wrong. 255.255.255.255 is not a valid netmask for a standard class C, it should be 255.255.255.0. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message