Archive for November, 2008

Lohnt sich teure energiesparende Haustechnik?

Sunday, November 30th, 2008

EFH Soldierer in GochWir wohnen jetzt bereits 4,5 Jahre im neuen Haus. Unsere Energiekosten werden ausschließlich durch den Verbrauch an elektrischer Energie und Holzpellets bestimmt. Im folgenden werden für unseren Haushalt die jährlichen Energiekosten den zusätzlichen Investitionskosten eines Niedrigenergiehauses gegenübergestellt. (more…)

Computer and network security

Wednesday, November 19th, 2008

Paypal security tokenWhenever I take a look at our web server log files, I am amazed how many robots are trying to hack their way into our machines every day. And whenever I help a friend or neighbor to fix a computer problem, I need to explain even the most essential safety measures as most PCs are infected with some trojan or virus already. Computer and network security is a big issue, don’t underestimate the risks. I first noticed this years ago when I installed a free personal firewall on my PC. Only seconds after the program started to do its job, it alerted me of suspicious activity on ports and protocols that I even didn’t know existed. Steve Gibson calls this activity Internet Background Radiation. Much of this is not merely junk but malicious traffic. To protect my personal computers, data, and privacy, I have taken a number of simple security measures which I want to share with you. (more…)

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