Archive for July, 2008

Journaling at last

Thursday, 31st of July 2008

A wish came true: NetBSD finally has a journaling file system. Simon Burge added support for WAPBL, Write Ahead Physical Block Logging file system journaling, to NetBSD-current’s main branch today.
The main purpose of a journaling file system is to avoid a time consuming file system checks after a power failure, system crash or similar problem. [...]

Movie of the Week: The Dark Knight

Sunday, 27th of July 2008

A lot has been said about the latest Batman movie, The Dark Knight. Especially Heath Ledger’s performance as the Joker has been praised a lot. I became sceptical about the film because of all the hype.
This evening Silke and I went to watch The Dark Knight ourselves. I must say it deserved all the hype. [...]

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 cache [...]