browser icon
You are using an insecure version of your web browser. Please update your browser!
Using an outdated browser makes your computer unsafe. For a safer, faster, more enjoyable user experience, please update your browser today or try a newer browser.

Monthly Archives: March 2011

Ubuntu 10.04 LTS: DHCP3-server and bridge running late

Posted on 9 March 2011 by Martijn

In Ubuntu 10.04 LTS (and also in previous versions as well) the DHCP3-server fails to start when using a bridged config. There are some solutions, but the best one is using the post-up and pre-down directives in the /etc/network/interface file and disabling the daemon from automatically starting in the same runlevel. # The loopback network … Continue reading »

Categories: en_US, Networking, Ubuntu | Leave a comment

Ziggo: SMTP outbound blocked

Posted on 8 March 2011 by Martijn

Ha! En waar ik al jaren loop te zeuren dat inbound SMTP blocken alleen maar lastig is – maar dus zeker niet je SPAM stopt – heeft men bij Ziggo eindelijk een nette uitbreiding doorgevoerd om nu eens echt de rommel te stoppen vanuit het eigen netwerk. Ziggo heeft sinds 4 maart outbound SMTP geblocked. … Continue reading »

Categories: nl_NL, SMTP, Ziggo | 2 Comments

Hairpin NAT using the Mikrotik

Posted on 8 March 2011 by Martijn

I’m using a Mikrotik Routerboard 450G and since a day or so I stopped using a split DNS approach to access the blog on the LAN. I’ve implemented a Hairpin NAT schema, but I’m having some issues. I can see running tcpdump that the web request from within the LAN to the public IP originate … Continue reading »

Categories: en_US, Mikrotik, Routing | Leave a comment