Category Archives: Computing

Hardware, software, computer science and the rest

Haunting Silence

Posted on 9 August, 2008 by Matthias Scheler

It started with a single loud beep from my UPS. The thunderstorm outside had caused a short power fluctuation but I wasn’t really worried. After all the server is connected to the UPS so that I don’t have to worry … Continue reading →

Posted in Computing | 1 Comment

Journaling at last

Posted on 31 July, 2008 by Matthias Scheler

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 … Continue reading →

Posted in NetBSD | 6 Comments

DNS cache poisoning vs. NAT

Posted on 27 July, 2008 by Matthias Scheler

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 … Continue reading →

Posted in IPv6 | Comments Off on DNS cache poisoning vs. NAT