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  2. Nmap - Wikipedia

    en.wikipedia.org/wiki/Nmap

    Nmap provides a number of features for probing computer networks, including host discovery and service and operating system detection. These features are extensible by scripts that provide more advanced service detection, [7] vulnerability detection, [7] and other features. Nmap can adapt to network conditions including latency and congestion ...

  3. Unix security - Wikipedia

    en.wikipedia.org/wiki/Unix_security

    A core security feature in these systems is the file system permissions. All files in a typical Unix filesystem have permissions set enabling different access to a file. Unix permissions permit different users access to a file with different privilege (e.g., reading, writing, execution). Like users, different user groups have different ...

  4. Covert channel - Wikipedia

    en.wikipedia.org/wiki/Covert_channel

    Covert channels can tunnel through secure operating systems and require special measures to control. Covert channel analysis is the only proven way to control covert channels. [citation needed] By contrast, secure operating systems can easily prevent misuse of legitimate channels, so distinguishing both is important. Analysis of legitimate ...

  5. hping - Wikipedia

    en.wikipedia.org/wiki/Hping

    hping is an open-source packet generator and analyzer for the TCP/IP protocol created by Salvatore Sanfilippo (also known as Antirez). It is one of the common tools used for security auditing and testing of firewalls and networks, and was used to exploit the idle scan scanning technique (also invented by the hping author), and now implemented in the Nmap Security Scanner.

  6. Metasploit - Wikipedia

    en.wikipedia.org/wiki/Metasploit

    Metasploit runs on Unix (including Linux and macOS) and on Windows. The Metasploit Framework can be extended to use add-ons in multiple languages. To choose an exploit and payload, some information about the target system is needed, such as operating system version and installed network services.

  7. mmap - Wikipedia

    en.wikipedia.org/wiki/Mmap

    The main difference between System V shared memory (shmem) and memory mapped I/O (mmap) is that System V shared memory is persistent: unless explicitly removed by a process, it is kept in memory and remains available until the system is shut down. mmap'd memory is not persistent between application executions (unless it is backed by a file).

  8. BackTrack - Wikipedia

    en.wikipedia.org/wiki/BackTrack

    BackTrack was a Linux distribution that focused on security, based on the Knoppix Linux distribution aimed at digital forensics and penetration testing use. [4] In March 2013, the Offensive Security team rebuilt BackTrack around the Debian distribution and released it under the name Kali Linux.

  9. Security-Enhanced Linux - Wikipedia

    en.wikipedia.org/wiki/Security-Enhanced_Linux

    A Linux kernel integrating SELinux enforces mandatory access control policies that confine user programs and system services, as well as access to files and network resources. Limiting privilege to the minimum required to work reduces or eliminates the ability of these programs and daemons to cause harm if faulty or compromised (for example via ...