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Locally checks for signs of a rootkit

Locally checks for signs of a rootkit
chkrootkit is a tool to locally check for signs of a rootkit. It contains: chkrootkit: shell script that checks system binaries for rootkit modification. ifpromisc.c: checks if the interface is in promiscuous mode. chklastlog.c: checks for lastlog deletions. chkwtmp.c: checks for wtmp deletions.

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Tools for debugging, testing and using HTTP/2 With CloudFlare's release of HTTP/2 for all our customers the web suddenly has a lot of HTTP/2 connections. To get the most out of HTTP/2 you'll want to be using an up to date web browser (all the major browsers support HTTP/2). But there are some non-browser tools that come in handy when working with HTTP/2. This blog post starts with a useful browser add-on, and then delves into command-line tools, load testing, conformance verification, development libraries and packet decoding for HTTP/2.

Seven Free Security Tools for Linux - PCWorld Business Center One of the big advantages of using Linux is that its security tends to be so much better than that of the competing alternatives. That's due in large part to the way Linux assigns permissions, but it's also certainly true that the open source operating system is targeted by malware writers far less frequently than Windows is, in particular, simply because it's less widely used and so much more diverse. The fact remains, however, that no operating system is perfectly secure. For business users, in particular, a little extra security assurance is always a good idea, at the very least for your own peace of mind. Here, then, are a few of the best free tools you can use to help keep your Linux systems secure.

John the Ripper password cracker John the Ripper is free and Open Source software, distributed primarily in source code form. If you would rather use a commercial product tailored for your specific operating system, please consider John the Ripper Pro, which is distributed primarily in the form of "native" packages for the target operating systems and in general is meant to be easier to install and use while delivering optimal performance. This version integrates lots of contributed patches adding GPU support (OpenCL and CUDA), support for a hundred of additional hash and cipher types (including popular ones such as NTLM, raw MD5, etc., and even things such as encrypted OpenSSH private keys, ZIP and RAR archives, PDF files, etc.), as well as some optimizations and features.

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Upside-Down-Ternet My neighbours are stealing my wireless internet access. I could encrypt it or alternately I could have fun. I'm starting here by splitting the network into two parts, the trusted half and the untrusted half. The trusted half has one netblock, the untrusted a different netblock. Advanced Security Audit Policy Step-by-Step Guide Updated: June 22, 2011 Applies To: Windows Server 2008, Windows Server 2008 R2 Security auditing enhancements in Windows Server 2008 R2 and Windows 7 can help your organization audit compliance with important business-related and security-related rules by tracking precisely defined activities, such as: A group administrator has modified settings or data on servers that contain finance information. An employee within a defined group has accessed an important file.

Zenmap - Official cross-platform Nmap Security Scanner GUI Zenmap is the official Nmap Security Scanner GUI. It is a multi-platform (Linux, Windows, Mac OS X, BSD, etc.) free and open source application which aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users. Frequently used scans can be saved as profiles to make them easy to run repeatedly. A command creator allows interactive creation of Nmap command lines. Linux Networking Connecting to Shared Directories With NFS and SAMBA ip addr = display ip address information hostname = displays hostname (without argument), sets hostname (with argument) Example: hostname cgermany = sets the server’s hostname to cgermany. ifconfig = display and set TCP/IP configuration dhclient = release/renew ip address iwconfig = linux wireless utility