Tag: Network

DNS/UDP to TCP Translator/Converter

Although there are some discussions found on the web on how to force DNS to use TCP instead of UDP, there seems to be no real solution. And in most cases there is actually no need for such a conversion. There are also many people asking if BIND offers such a special mode and I …

Continue reading

Moving a WordPress Network Site to HTTPS

This article describes how to move an existing Worpress site which runs in a WordPress network from HTTP to HTTPS. It was tested with WordPress version 3.5 and an Apache web server 2.2.22. Moving a web site from HTTP to HTTPS is basically not difficult. If you are using the Apache web server, you have …

Continue reading

Android won’t connect to Wifi

Since Android has a Linux-based kernel, the Wifi interface is managed by the wpa_supplicant as on most Unix-based systems. My personal experience during the last years of using wpa_supplicant is that there are many times troubles with it which are hard to debug and even sometimes not reproducable. On the other hand it often works …

Continue reading

Android, CyanogenMod, and OpenVPN

Although I followed the instructions about how to configure OpenVPN with Cyanogen I failed at first because the certificate “installation” is not what I call user-friendly (Why not simply copy the certificate file to the right location?). OpenVPN is a very secure and feature-rich OpenSource VPN solution. If you Google for it you will find …

Continue reading

A not so trivial IPv6 tunnel setup

History and blahblah Since several years I am dealing with IPv6. To be more exact, this is since about 2007 when we started to talk about the DNS-leak-problem of Tor. At the end of 2008 way came up with Onioncat at the 25C3. Although it did not solve the original problem it still is a …

Continue reading

RF_KILL sucks!

This is not the first time that I have troubles with the RF-kill “feature” as reported on this blog. Recently I set up an old notebook. I did a clean Linux network install of Debian Lenny. Everything worked fine, all hardware was detected properly. But it took not long to find out that the wifi …

Continue reading

Configuring a WordPress Network (without login loop)

Using a WordPress network seems to be interesting as soon as you run multiple WordPress instances on different domain names. You can safe a lot of work using a network installation because you have to maintain just one software installation. That’s what we did here. There is a great page with configuration instructions found here. …

Continue reading

Anonymous DNS FAQ

Yesterday evening we did our first public talk about our AEON project at the ITsecx conference. AEON stands for Anonymity Enhanced Onion Nameservice which means it is a nameservice which provides anonymity by utilizing onion routing. There have been some questions from the audience after this talk and I would like to repeat them here …

Continue reading

Running OnionCat Services in a Highly Secure Environment

Running services within dark nets requires a lot of caution and carefulness. If the services are not configured correctly they might leak information and reveal their real location or operator. This of course is also applicable to a service based on OnionCat. This article explains how to run an OnionCat-based service in a highly secure …

Continue reading

The Twelve Networking Truths

  Network Working Group R. Callon, Editor Request for Comments: 1925 IOOF Category: Informational 1 April 1996 The Twelve Networking Truths Status of this Memo This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Abstract This memo documents the …

Continue reading