From owner-freebsd-questions Sun Mar 23 12:42:24 2003 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4FE8537B401 for ; Sun, 23 Mar 2003 12:42:23 -0800 (PST) Received: from boreas.primus.ca (mail.tor.primus.ca [216.254.136.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 56FF343FB1 for ; Sun, 23 Mar 2003 12:42:17 -0800 (PST) (envelope-from leth@lethargic.dyndns.org) Received: from dialin-166-164.tor.primus.ca ([216.254.166.164] helo=lethargic.dyndns.org) by boreas.primus.ca with esmtp (TLSv1:DES-CBC3-SHA:168) (Exim 3.36 #3) id 18xCI8-0003nO-0A; Sun, 23 Mar 2003 15:42:06 -0500 Received: from lethargic.dyndns.org (leth@localhost [127.0.0.1]) by lethargic.dyndns.org (8.12.6/8.12.6) with ESMTP id h2NKfjEG049152; Sun, 23 Mar 2003 15:41:48 -0500 (EST) (envelope-from leth@lethargic.dyndns.org) Received: (from leth@localhost) by lethargic.dyndns.org (8.12.6/8.12.6/Submit) id h2NKfXdM049151; Sun, 23 Mar 2003 15:41:33 -0500 (EST) Date: Sun, 23 Mar 2003 15:41:32 -0500 From: Jason Hunt To: abc@ai1.anchorage.mtaonline.net Cc: mackan , Bill Moran , freebsd-questions Subject: Re: where packets are dropped in route Message-ID: <20030323204132.GA49108@lethargic.dyndns.org> References: <200303222332.h2MNWFXl012396@en26.ai1.anchorage.mtaonline.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200303222332.h2MNWFXl012396@en26.ai1.anchorage.mtaonline.net> User-Agent: Mutt/1.4i Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sat, Mar 22, 2003 at 11:32:15PM +0000, abc@ai1.anchorage.mtaonline.net wrote: > > Maybe your ISP is blocking port 22 after all. nmap will tell you. > > > > can nmap (which i don't have installed) tell me more > than telnet - as far as a where a specific IP/port packet > is being blocked/dropped? > If you mean where along the path it is getting dropped, no. Other than what you have tried so far with traceroute, I don't believe there is really any way to tell WHERE certain ports are being dropped. For all you know, there could be a transparent firewall that drops the packet and does not send back an ICMP notification. Hope this helps. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message