SmartSniff, a smarter packet sniffer than Ethereal/Wireshark

Last Friday I posted a list of free packet sniffers. There, I promised to write about my favorite tool. You might have guessed that it is Ethereal since it probably is the most popular free network packet sniffer. It has many feature which its free rivals lack. This is also true for the free sniffer [...]

Free packet sniffers for Windows

A packet sniffer is used to analyze the network traffic. Sometimes they are also called network analyzers, protocol analyzers or ethernet sniffers. System administrators usually use them to analyze the behavior of an application or device causing network problems. I made a list of free packet sniffer tools for Windows. The descriptions are taken from [...]

Blocking brute force attacks under Linux

Marius Ducea discussed three ways how to block brute force attacks under Linux using iptables, PAM and fail2ban. All three posts are quite detailed and well written.
iptables is a tool for packet filtering and NAT. You can use it to setup a firewall with shell scripts. A shell script with just a few [...]

Antivirus tools for Linux - Virus threat to Linux on the rise

I just read in the German magazine Computerwoche (print) that the number of Linux viruses doubled in 2005 (863) compared to 2004 (422). These numbers come from Konstantin Sapranov who works as a virus analyst for Kaspersky Lab. Of course, one has to be always cautious with such numbers especially coming from an anti-virus vendor. [...]

Inclue, a free RSS reader for Microsoft Outlook

If I remember it right, then the next version of Outlook will come with an integrated RSS reader. Perhaps there are users in your company who need a feed reader already now. If you use Outlook as a mail client, then Inclue, a free feed reader supporting RSS, ATOM and OPML, is an interesting option.
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ProcessWatchV2: automatic process management

ProcessWatchV2 is a simple, free tool which allows you to automatically:
bind processes to specified CPU cores
assign process priorities
switch active power schema profiles
terminate black listed processes
execute commands when a certain process starts
I specially like the last feature. It is useful, if you want to trigger actions during the opening of an application. For this, you [...]
ProcessWatchV2: [...]

OmniPeek Personal - free network monitor, better than Wireshark

WildPackets Omnipeek Personal is a free network monitoring tool for personal use. The .Net 2.0 tool has many features which most free packet sniffers/packet analyzers lack, especially when it comes to statistical analysis and visualization. Omnipeek is even better than Ethereal/Wireshark.
However, the personal version of Omnipeek has two limitations compared to the commercial version. [...]

Poptop: Linux VPN server for Windows clients using PPTP

Poptop is an open source VPN server supporting Microsoft's PPTP (Point-to-Point Tunneling Protocol). It allows you to use a Linux Server as a VPN Server for Windows machines. This way you can encrypt any communication between the Linux server and your Windows workstation easily. You can use NAT (Network Address Translation) to hide your workstation's [...]

Disable Low Disk Space Warning

Windows popups a balloon tip with a “Low Disk Space - You are running out of Disk Space” warning everytime a hard drive goes below 200 megabytes of disk space. This can get pretty annoying if you have a lot of data on the drive and your disk spaces goes regulary below 200 megabytes on [...]

Roaming Profiles cure: User Profile Hive Cleanup Service

Do you know the User Profile Hive Cleanup Service? It can help solve your problems with roaming user profiles, and if your Windows shuts down very slow. Sometimes, applications maintain connections to registry keys in the user profile after a user logs off. The User Profile Hive Cleanup Service monitors if logged-off users have [...]

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