February 2006

Using sshdfilter to secure an SSH server

Since moving my OpenSSH server down to its standard port number I have been hit daily by service scanning software and brute force password attacks. Gerry pointed out that sshdfilter can help. sshdfilter blocks the frequent brute force attacks on ssh daemons, it does this by directly reading the sshd logging output and generating iptables …

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Sitecom CN-502 USB Bluetooth Dongle works on Linux

To my absolute surprise, the Sitecom CN-502 USB Bluetooth Dongle works perfectly with out-of-the-box Fedora Core 4 x86_64. The lsusb output shows it’s a Cambridge Silicon Radio chip (0a12:0001) which is very widely used and well supported. I bought this thing some time ago because of its protruding aerial; my original intention was to dismantle …

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