Qualys [1] has a nice tool called “Qualys Browser Check” [2] for verifying if your browser runs on the most current version. It also checks if your plugins are up to date. These days, computers are exploited using browsers or browser plugins which contain some vulnerabilities, even 0-days. Therefore, it is very important to keep…
After I had installed Arch Linux and the X system on my ThinkPad X200 notebook, I noticed bad performance. The mouse always stopped moving. The system was quite busy with itself and had a high cpu load – too high in my opinion. I already had this issue on my Ubuntu 11.04 system. According to…
Today I’ve watched an interesting talk from Linus Torvalds about Git. He mentions speed, simplicity and integrity as main key points for using git. I’ve been a long-time user of Subversion and I’ve been playing around with git for some time. But since today, I’ll definitively have to switch over to Git. Linus maintains his…
According to federal councillor Simonetta Sommaruga, investigators should soon be able to monitor Internet traffic of Swiss citizens in real-time. By changing the “Verordnung über die Überwachung des Post- und Fernmeldeverkehrs (VÜPF)” act, the legal base shall be provided. This forces Swiss internet providers to build infrastructure for these monitoring services. Besides the fact, that…
GProbe, my C/C++ port scanner project which uses a raw sockets implementation, has moved on to the next step. The TCP SYN scan functionality finally works. But there were some pitfalls until that point. What to do, when your peer doesn’t reply As soon as I accomplished the task of getting my tool to send…
During my C++ studies, there have been a bunch of questions which came up related to proper memory management, passing data structures and so long. One question was, when to use the new-Operator to instantiate for example a class and when not. Basically, you should use the new-Operator when you want to make sure, that…
The last few weeks I have been busy implementing my port scanner utility. I have done a lot of testing and reading about the protocols of the TCP/IP stack, especially ICMP. Although ICMP is a rather simple protocol to implement, there was an error, which was very annoying. Today was the day, when I found…
My OpenPGP Public Keys are now online
According to an article at Heise, the Oracle Java Development Kit (JDK) 7 is coming during July 2011. So see which features are planned to be included, see here.