Full Disclosure mailing list archives

Re: Wireless ISPs


From: Chris Adams <chris () improbable org>
Date: Tue, 11 May 2004 20:52:35 -0700


On May 11, 2004, at 17:24, Kurt Seifried wrote:
Folks. WEP is POINTLESS for public access points.

s/ for.*//

WEP/WPA/LEAP/802.1x and anything else which puts trust at the network level are close[1] to snake-oil - even if they actually worked as promised the only thing you get is a false sense of security because there's this assumption that the rest of the network is trustworthy. You get far more real security simply enabling the strong end-to-end crypto in the products you already use and you save a ton of money by not chasing the latest acronyms, too.

Now a technical person can do something like SSH port forwarding and stuff all their email traffic and web browsing through a secure system on the outside. But someone like my mother is supposed to do what exactly? Have a
 colocated machine somewhere she can VPN off of, or SSH port forward?

Check the "Use SSL" box in her email client, optionally switching to a competent ISP if this doesn't work.

We recently switch our POP/IMAP services over to a mandatory-SSL config and used the same approach other people in this thread have mentioned: 3 months of warnings and then disabling the insecure versions. The only problems we had were a couple of people with antique Eudora installs who didn't want to upgrade. Other than that there was no grumbling thanks to an ettercap demonstration and the extremely low amount trouble/benefit ratio - we get far more whining each time we suggest that people install the latest Windows / Office security updates.

It's just not that hard to deploy SSL any more since almost any network client in common use includes SSL support by now - the biggest exception is file sharing and it's not like people are used to doing Windows networking over the internet - the worms have seen to that.

Chris

[1] I say close because it may be legally useful to say the network was restricted if you need to sue a spammer or something.

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