Trafscrambler is an anti-sniffer/IDS LKM(Network Kernel Extension) for OSX, licensed under BSD. Features Injection of packets with bogus data and with randomly selected bad TCP cksum or bad TCP sequences Userland binary(tsctrl) for controlling trafscrambler NKE SYN decoy – sends out number of SYN pkts before the original SYN pkt TCP reset attack – sends [...]
For those of you who are not familiar with DShield (where have you been? under a rock?) it’s a Cooperative Network Security Community. Basically what that means is they collect firewall logs and map out the trends. Like when there was a worm going around that bruteforced SSH2 you could see a spike in port [...]
To continue with some software targeted towards security and self-protection after posting about Microsoft Baseline Security Analyzer (MBSA) and Microsoft Security Assessment Tool (MSAT) we continue with one more – Secunia Personal Software Inspector. We did write about this software way back when Secunia first came out with their Secunia Software Inspector. There’s now 3 [...]
The Microsoft Security Assessment Tool (MSAT) is a free tool designed to help organizations like yours assess weaknesses in your current IT security environment, reveal a prioritized list of issues, and help provide specific guidance to minimize those risks. MSAT is an easy, cost-effective way to begin strengthening the security of your computing environment and [...]
Port Knocking came about in around 2003, but it has various weaknesses. There are plenty of implentations though (some quite advanced). Most of the problems are fixed however by fwknop! fwknop stands for the “FireWall KNock OPerator”, and implements an authorization scheme called Single Packet Authorization (SPA). This method of authorization is based around a [...]
psad is a collection of three lightweight system daemons (two main daemons and one helper daemon) that run on Linux machines and analyze iptables log messages to detect port scans and other suspicious traffic. A typical deployment is to run psad on the iptables firewall where it has the fastest access to log data. psad [...]
ArpON (Arp handler inspectiON) is a portable handler daemon with some nice tools to handle all ARP aspects. It has a lot of features and it makes ARP a bit safer. This is possible using two kinds of anti Arp Poisoning tecniques, the first is based on SARPI or “Static ARP Inspection”, the second on [...]
The Web Security Gateway is a security-centric distribution of the Apache web server, bundled with additional security modules, and configured as a front-end (reverse) HTTP proxy. The goal is to mirror most of the features of commercial web application “firewalls”, with free and Open-Source software. The Web Security Gateway provides a configurable caching, authentication, input [...]
This tool is another one on the side of protection, again for web-based applications but this time for .NET applications it’s called .NETIDS (.NET Intrusion detection System). This tool is capable of detecting on attacks on web applications and gives the developer the possibility to react. The project files include filter rules and function stubs [...]
Another tool for the security side, good for forensics, monitoring and auditing. Argus is a fixed-model Real Time Flow Monitor designed to track and report on the status and performance of all network transactions seen in a data network traffic stream. Argus provides a common data format for reporting flow metrics such as connectivity, capacity, [...]
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