Received: from PACIFIC-CARRIER-ANNEX.MIT.EDU by po7.MIT.EDU (5.61/4.7) id AA24809; Fri, 29 Dec 95 16:57:17 EST Received: from halloran-eldar.lcs.mit.edu by MIT.EDU with SMTP id AB08163; Fri, 29 Dec 95 16:57:13 EST Received: from freefall.FreeBSD.ORG by halloran-eldar.lcs.mit.edu; (5.65/1.1.8.2/19Aug95-0530PM) id AA31423; Fri, 29 Dec 1995 16:57:09 -0500 Received: from localhost (daemon@localhost) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id MAA11127 Fri, 29 Dec 1995 12:17:47 -0800 (PST) Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id MAA11072 for hackers-outgoing; Fri, 29 Dec 1995 12:17:22 -0800 (PST) Received: from romulus.ultranet.com ([199.232.56.2]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id MAA11066 for ; Fri, 29 Dec 1995 12:17:18 -0800 (PST) Received: (from jprovo@localhost) by romulus.ultranet.com (8.7.1/ad0.2) id PAA02646; Fri, 29 Dec 1995 15:15:13 -0500 (EST) Date: Fri, 29 Dec 1995 15:15:13 -0500 (EST) From: Joe Provo Message-Id: <199512292015.PAA02646@romulus.ultranet.com> To: bind-users@vix.com, freebsd-hackers@FreeBSD.org, volf@oasis.IAEhv.nl Subject: Re: Freebsd IP alias and BIND Sender: owner-hackers@FreeBSD.org Precedence: bulk [clip] >> When a query is sent to the IP alias two responses are generated: one >> response with the real IP address as the source address, the other one with >> the alias address as the source address: [clip] >I did some more testing to find this problem. With bind debuggind enabled, I >found: [clip] >This means that bind really gets two copies of the datagram (one send to >fd 6, the other one to fd 8) and hence, bind is operating correctly and >FreeBSD is wrong: This seems to be the case with most services on alias interfaces; breaking or working "right" is OS specific. For the record, attempting to use alias interfaces as an "authoritative" name server breaks on OSF [DEC Unix(tm)] 3.2 (4.9.3b24). Cheers, Joe Provo Network Operations Center UltraNet Communications, Inc.