Archive for the 'IPv6' Category

DNS cache poisoning vs. NAT

Sunday, 27th of July 2008

The latest DNS security issue (please read Hubert’s Blog entry) proves again that NAT is a bad idea. If you run a DNS server behind a NAT (which you really shouldn’t) you can pick one of two evils: You use a fixed query source port on your DNS server which makes it susceptible to DNS [...]

What took you so long?

Thursday, 13th of March 2008

Google finally offer IPv6 access to their search engine. Visitors are even greeted by an animated version of the Google logo. Well done, Google! But what took you so long?

Next Generation Spam

Friday, 27th of July 2007

Last Wednesday I received spam over IPv6 for the first time. Somebody (or something?) tried to post a spam comment to this Blog from a computer in Japan using an IPv6 network connection to my web server. One of the things I really liked about IPv6 so far was the total absence of spam. But [...]