Some worthwhile reading regarding configuring and securing an SSH server: An SSH server can be set up in various ways, but in this document I’ll describe how it can be configured to: only support connections through the 2nd version of the SSH protocol (SSH-2) use DSA keys for user authentication, without permitting authentication with passwords allow only a specific group … [Read more...]
Wireshark – Free packet sniffer for Windows
Wireshark is a network protocol analyzer or "packet sniffer" and like all the other programs I show on this blog it's free. A network protocol analyzer has a lot of uses, primarily education and security. You can learn a lot about network traffic and protocols from observing the packets via Wireshark. From looking at the simplest of pings, you can understand how MAC addresses, … [Read more...]
XAMPP and MySQL error fix
After installing XAMPP (which I have previously discussed) and navigating to the MySQL Admin page, I started getting an error that would pop up about every 20 seconds. The error message reads: "Access violation at address 10009F40 in module 'LIBMYSQL.dll'. Read of address 00000000." If I didn't close the message, a new pop up would arrive slightly lower and to the … [Read more...]
No Wireless Networks Detected After Reimaging
After using Symantec Ghost to re-image a laptop with Windows XP and a wireless card, for some reason, it will be unable to detect any wireless networks. The card is on and multiple wireless networks are available in the area (confirmed by another laptop of the exact same model that hasn't been re-imaged yet). This problem has reproduced itself on a Fujitsu and HP laptop with an … [Read more...]
Directory Listing to a File
A listing of a directory can be very handy for a variety of uses. You could use it to help when making backups to get a listing of filesapplications needed, to better understand the file structure, or to diff the results to monitor a directory. Whatever the use, there are two easy ways to do this and the difference of the two depends on your need and preferences. The first way … [Read more...]