From owner-freebsd-net Mon Jul 24 10:27:38 2000 Delivered-To: freebsd-net@freebsd.org Received: from peace.mahoroba.org (peace.calm.imasy.or.jp [202.227.26.34]) by hub.freebsd.org (Postfix) with ESMTP id 3CC3D37BC37; Mon, 24 Jul 2000 10:27:32 -0700 (PDT) (envelope-from ume@mahoroba.org) Received: from localhost (IDENT:FDu0hvEP+Z2ufymPsd7v1H7bKpVhd1yWxhiv7bRWdo6KHWPfnr0afCgkN4kB9sO/@localhost [::1]) (authenticated) by peace.mahoroba.org (8.10.2/3.7W-peace) with ESMTP id e6OHRQh67053; Tue, 25 Jul 2000 02:27:26 +0900 (JST) (envelope-from ume@mahoroba.org) Date: Tue, 25 Jul 2000 02:27:23 +0900 (JST) Message-Id: <20000725.022723.115966623.ume@mahoroba.org> To: rwatson@FreeBSD.ORG Cc: wes@softweyr.com, roberto.Nunnari@agie.ch, nick@rapidnet.com, net@FreeBSD.ORG Cc: ume@mahoroba.org Subject: Re: gateway strange behaviour for telnet and ftp From: Hajimu UMEMOTO In-Reply-To: References: <397C5E86.6B0A0B72@softweyr.com> X-Mailer: xcite1.20> Mew version 1.95b38 on Emacs 20.6 / Mule 4.0 =?iso-2022-jp?B?KBskQjJWMWMbKEIp?= X-PGP-Public-Key: http://www.imasy.org/~ume/publickey.asc X-PGP-Fingerprint: 6B 0C 53 FC 5D D0 37 91 05 D0 B3 EF 36 9B 6A BC X-URL: http://www.imasy.org/~ume/ X-OS: FreeBSD 5.0-CURRENT Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >>>>> On Mon, 24 Jul 2000 13:00:09 -0400 (EDT) >>>>> Robert Watson said: rwatson> This has gotten worse recently (well, relatively recently) with inclusion rwatson> of TCP wrappers in standard binaries, including inetd, et al. Introducing rwatson> DNS lookups is actually fairly irritating, especially given that most of rwatson> the checks there are somewhat bogus, as easily spoofed :-). I don't rwatson> believe our default wrapper rules should require DNS lookups; it would be rwatson> nice if they didn't do them. No. Default rule of libwrap allows any connections. I believe this doesn't do reverse lookup. It is done by realhostname{,_sa}(3) during login process. rwatson> Would also be nice if we logged IPs as well as hostnames in wtmp all of rwatson> the time. If you intend to obtain hostname, you need reverse lookup. ;-) -- Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan ume@mahoroba.org ume@bisd.hitachi.co.jp ume@FreeBSD.org http://www.imasy.org/~ume/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message