[61880] in North American Network Operators' Group

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Re: Cable & Wireless, Verio and/or Level 3 port blocking?

daemon@ATHENA.MIT.EDU (Stephen J. Wilcox)
Mon Sep 8 15:59:09 2003

Date: Mon, 8 Sep 2003 20:58:25 +0100 (BST)
From: "Stephen J. Wilcox" <steve@telecomplete.co.uk>
To: "William Devine, II" <william@smartguys.net>
Cc: nanog@merit.edu
In-Reply-To: <003401c3763a$de105960$6401a8c0@corp.pgtechinc.com>
Errors-To: owner-nanog-outgoing@merit.edu


I dont have a url for such an app (assuming one has been written) but you should
be able to run a traceroute using the tcp ports and see where it stops?

Steve

On Mon, 8 Sep 2003, William Devine, II wrote:

> 
> Can anyone from these three carriers tell me if you're doing port blocking
> on the Windows file/print ports (135-139, 445 & 593) ?
> A client of ours (in the US), against our recommendation, still wants to
> connect to their Exchange server in the UK without a VPN.  We're not
> blocking their IP#'s from anything but somewhere in between it's getting
> blocked.  We use C&W directly and Verio/Level3 through a peer.
> 
> Thanks!
> william
> 
> 
> 


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