From owner-freebsd-hackers Mon Nov 18 16:52:16 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id QAA29642 for hackers-outgoing; Mon, 18 Nov 1996 16:52:16 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id QAA29599 for ; Mon, 18 Nov 1996 16:52:08 -0800 (PST) Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id BAA02302 for ; Tue, 19 Nov 1996 01:49:42 +0100 Received: (from uucp@localhost) by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id BAA19032 for freebsd-hackers@freebsd.org; Tue, 19 Nov 1996 01:49:42 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.8.2/8.6.9) id AAA02882 for freebsd-hackers@freebsd.org; Tue, 19 Nov 1996 00:36:10 +0100 (MET) From: J Wunsch Message-Id: <199611182336.AAA02882@uriah.heep.sax.de> Subject: Re: BoS: Exploit for sendmail smtpd bug (ver. 8.7-8.8.2). To: freebsd-hackers@freebsd.org (FreeBSD hackers) Date: Tue, 19 Nov 1996 00:36:10 +0100 (MET) Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: from Bob Bishop at "Nov 18, 96 08:42:27 pm" X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E X-Mailer: ELM [version 2.4ME+ PL17 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk As Bob Bishop wrote: > Run a caching-only nameserver locally? I'm doing this, but sendmail would still try to resolve all names using DNS, thus causing large timeouts. You really need `nocanonify' for it, otherwise it will try to canonify each and any mail addressee. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)