Security

• FakeBO
  This program fakes trojan servers and logs every attempt from client. It is possible to log attempts to file, stdout, stderr or to syslog. It can send fake pings and replies back to trojan client. ...
  
• libpal
  libpal allows you to create your own forged packets. It is straightforward to use and is a powerful tool for building artificial TCP/IP packets. ...
  
• Shishi
  Shishi, a free implementation of the Kerberos 5 network security system. ...
  
• NDiff
  NDiff compares two nmap scans and outputs the differences. It allows monitoring of your network(s) for interesting changes in port states and visible hosts. NDiff eliminates the need to sift through ...
  
• SafeHTML
  SafeHTML is an anti-XSS HTML parser, written in PHP. It strips down all potentially dangerous content within HTML. ...
  
• GNU Keyring
  Keyring lets you securely store digital secret keys on your Palm handheld computer. This information might include computer account passwords, credit card or banking numbers, GnuPG passphrases, or OP...
  
• AESCrypt
  Small stream encryption program for Unix ...
  
• fEncH
  This is a fast and simple, yet hard to crack encryption program. It uses XOR encryption with variable key, based on the password that user inputs to the program, it rumbles bits in the bytes, etc. ...
  
• IPFC
  IPFC is a software and framework to manage and monitor multiple types of security modules across a global network. ...
  
• SRP
  SRP is a secure password-based authentication and key-exchange protocol. ...
  
• Hogwash
  Hogwash is an inline packet scrubber that uses Snort's (www.snort.org) detection engine to drop malicious packets before they reach the target machine. ...
  
• Gircap
  Gircap is a set of tools to help you use the widely unknown "capabilities" that Linux has in place of conventional Unix superuser privilege. That means you can give programs and processes only as muc...
  
• PScan
  PScan scans C source files for problematic uses of printf style functions, such as "sprintf(buffer, variable);" instead of "sprintf(buffer, "", variable);". These sort of problems have been the sourc...
  
• authfail
  authfail is a tool for adding IP addresses to an ACL when entities from those addresses attempt to log into a system, but cause authentication failures in auth.log. ...
  
• Adeos Filesystem Security Scanner
  Adeos Filesystem Security Scanner is an automated filesystem security scanner. It recursively walks all mounted filesystems on the local system, and attempts to identify common security concerns, suc...
  
• fe3d
  fe3d is a 3D visualization tool for network (security) information. It has support for nmap and (limited) support for languard XML log files. ...
  
• fcatalog
  fcatalog is a program for identifying the origins of files. Though its operation is similar to the operation of file-checksum-checking security utilities (like tripwire), its purpose and methodology ...
  
• sud
  sud (superuser daemon) permits a user to switch to root privileges and to use a suid program in a nosuid environment. ...
  
• yyyRSA
  A simple program to encrypt and decipher messages with the RSA asymetrical encryption algorithm. ...
  
• localscan
  A frontend to nmap. ...
  
• Cmb
  Cmb is a small utility that creates all the possible combinations from a user mask (that includes wildcards) and dumps them to stdout ...
  
• Yin Yang
  Yin Yang is a real-time Linux file scanner that is activated whenever a file is accessed. When a file opening system call is detected, it will send the full pathname of the file to a network daemon. ...
  
• triggers
  A trigger is a lightweight, asynchronous notification mechanism to set off events in and across systems. ...
  
• eics
  EICS (Easy Integrity Check System) is the fast and easy to use utility for controlling filesystem integrity. ...
  
• pyCA
  pyCA tries to make it easier for people to set up and run a organizational certificate authority which fulfills the need for a fairly secure certification processing. ...