From owner-freebsd-questions Wed Oct 14 04:48:58 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id EAA14802 for freebsd-questions-outgoing; Wed, 14 Oct 1998 04:48:58 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from finland.ispro.net.tr (finland.ispro.net.tr [195.174.18.1]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id EAA14793 for ; Wed, 14 Oct 1998 04:48:49 -0700 (PDT) (envelope-from yurtesen@ispro.net.tr) Received: from localhost (yurtesen@localhost) by finland.ispro.net.tr (8.8.8/8.8.8) with SMTP id OAA29897; Wed, 14 Oct 1998 14:48:00 +0300 (EEST) (envelope-from yurtesen@ispro.net.tr) Date: Wed, 14 Oct 1998 14:48:00 +0300 (EEST) From: Evren Yurtesen To: Woodchuck cc: freebsd-questions@FreeBSD.ORG Subject: Re: traceroute In-Reply-To: <199810140942.FAA20848@castor.chuck> 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 but as I have seen from the manual of traceroute man traceroute it says that traceroute works with ICMP time-exceeded messages, if somebody closes the time-exceeded messages it should not work anyway, right? +-------------------------------------------------+ | Name : Evren Yurtesen - yurtesen@ispro.net.tr | | S-mail: Talikkokatu 6B 26, 20540 Turku/FINLAND | | Home:+358-2-2379095 Work:+358-40-5185215 | +-------------------------------------------------+ On Wed, 14 Oct 1998, Woodchuck wrote: > Evren Yurtesen wrote: > > hello, > > is there a way to understand where a machine is connected > > from (which isp) if they have closed tracroute icmp packet > > transmission from their router? also how can somebody who is > > connected from that isp know where s/he is connected from ? > > (not the isp itself the next service provider which the isp > > is taking service from?) > > thanks > > > > Consider using the -p portnum option to traceroute. Usually only > a range of ports is closed. > > D. > -- > Will hack for cabbages! Every day is Groundhog Day! > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message