Help

Carl E. Mankinen bandit at ZCORE.NET
Thu Mar 1 14:45:08 EST 2001


I can say with utmost certainty, that several of the broadband service providers are in fact
blocking ports required for VPN's, IPSec, IKE, etc.

They do this in a bootfile that is loaded shortly after the cablemodem finishes ranging and
establishes block sync. In a DOCSIS compliant bridge, these bootfiles have what look
like access-lists and they load the appropriate bootfile depending on your service contract.

Home accounts are for "personal" use. Not for always-on VPN "business" use.
If businesses wish to have employees telecommute, they must get business accounts to do it.

----- Original Message -----
From: "Joseph S D Yao" <jsdy at COSPO.OSIS.GOV>
To: <VPN at SECURITYFOCUS.COM>
Sent: Thursday, March 01, 2001 8:57 AM
Subject: Re: Help


> On Wed, Feb 28, 2001 at 12:59:45PM -0700, Steve Goldhaber wrote:
> > I wouldn't think that your ISP is doing anything here. ...
>
> There are ISPs who recently have started blocking IPsec tunnels on home
> service.  This is so that they can charge you for business service
> instead.  Quy will need to check any recent announcements on the ISP's
> Web page.
>
> RoadRunner in our area has started doing this.  ;-(
>
> --
> Joe Yao jsdy at cospo.osis.gov - Joseph S. D. Yao
> COSPO/OSIS Computer Support EMT-B
> -----------------------------------------------------------------------
> This message is not an official statement of COSPO policies.
>
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