Re: Attacking networks using DHCP, DNS - probably kills DNSSEC

2003-06-29 Thread Simon Josefsson
Bill Stewart <[EMAIL PROTECTED]> writes: > At 11:15 PM 06/28/2003 -0400, Steven M. Bellovin wrote: >>In message <[EMAIL PROTECTED]>, Bill Stewart writes: >> >This looks like it has the ability to work around DNSSEC. >> >Somebody trying to verify that they'd correctly reached yahoo.com >> >would in

Re: Attacking networks using DHCP, DNS - probably kills DNSSEC

2003-06-29 Thread Bill Stewart
At 11:15 PM 06/28/2003 -0400, Steven M. Bellovin wrote: In message <[EMAIL PROTECTED]>, Bill Stewart writes: >This looks like it has the ability to work around DNSSEC. >Somebody trying to verify that they'd correctly reached yahoo.com >would instead verify that they'd correctly reached >yahoo.com.a

Re: Attacking networks using DHCP, DNS (Updated news)

2003-06-29 Thread Sidney Markowitz
It turned out that the ISP, Charter, was not compromised. The user had some nasty spyware install itself on his computer. Here are the details: http://ask.slashdot.org/comments.pl?cid=6260281&sid=68266&tid=172 -- sidney - Th

Re: Attacking networks using DHCP, DNS - probably doesn't kill DNSSEC

2003-06-29 Thread Bill Sommerfeld
One key point though: even if DNSSEC was deployed from the root, and a trusted copy of the root key was the client, the search path/default domain must *also* come from a trusted source. Currently, default domain/search path often comes from DHCP, and for nomadic laptops where the relationship to

Re: Attacking networks using DHCP, DNS - probably kills DNSSEC

2003-06-29 Thread Steven M. Bellovin
In message <[EMAIL PROTECTED]>, Bill Stewart writes: >Somebody did an interesting attack on a cable network's customers. >They cracked the cable company's DHCP server, got it to provide a >"Connection-specific DNS suffic" pointing to a machine they owned, >and also told it to use their DNS server.

google crypto?

2003-06-29 Thread Don Davis
does anyone know anything about AP's claim that Google "encrypts" credit-card numbers? specifically, which cipher and what kind of key management do they use? - don davis, boston - From: "Google puts new ga