Unix security refers to the means of securing a Unix or Unix-like operating system. A core security feature in these systems is the file system permissions...

error or non-malicious meddling. The md5sum program is included in most Unix-like operating systems or compatibility layers such as Cygwin. The original...

The Unix command su, which stands for 'substitute user' (or historically 'superuser'), is used by a computer user to execute commands with the privileges...

(1996). "Problem Areas for the IP Security Protocols" (PostScript). Proceedings of the Sixth Usenix Unix Security Symposium. San Jose, CA. pp. 1–16....

defined as such in the SOCKS Protocol Version 5 RFC in 1996 or the UNIX Security Symposium III paper in 1992 but simply referred to a specific proxy...

Unix System V (pronounced: "System Five") is one of the first commercial versions of the Unix operating system. It was originally developed by AT&T and...

and DAC) within a UNIX (more precisely, POSIX) computing environment can be attributed to the National Security Agency's Trusted UNIX (TRUSIX) Working...

intrusion prevention system (IPS). It was developed by the Open Information Security Foundation (OISF). A beta version was released in December 2009, with the...

(Confining the Wily Hacker)" (PDF). Proceedings of the Sixth USENIX UNIX Security Symposium. Retrieved 25 October 2011. Geier, Eric (2012-01-16). "How...

shred is a command on Unix-like operating systems that can be used to securely delete files and devices so that it is extremely difficult to recover them...

"The How and Why of User Private Groups in Unix". security.ias.edu. Institute for Advanced Study Network Security. Archived from the original on 8 August...

client-server computing vendor, before later acquiring a license for the UNIX security product UPM (now owned by Quest Software) and rebranding their version...

Lynis is an extensible security audit tool for computer systems running Linux, FreeBSD, macOS, OpenBSD, Solaris, and other Unix derivatives. It assists...

Unix (/ˈjuːnɪks/ , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T...

When a text file with a shebang is used as if it were an executable in a Unix-like operating system, the program loader mechanism parses the rest of the...

became de facto standards for Unix operating systems. With wider public adoption of the Internet, their inherent security vulnerabilities became a problem...

too weak to provide any security against brute-force attacks by modern, commodity personal computers. Some versions of Unix shipped with an even weaker...

utility for Unix, Plan 9, Inferno, and Unix-like operating systems and beyond, the primary purpose of which is to convert and copy files. On Unix, device...

srm (or Secure Remove) is a command line utility for Unix-like computer systems for secure file deletion. srm removes each specified file by overwriting...

p0f is a passive TCP/IP stack fingerprinting tool. p0f can attempt to identify the system running on machines that send network traffic to the box it is...

Firewall security log According to Stefan Axelsson, "Most UNIX installations do not run any form of security logging software, mainly because the security logging...

rkhunter (Rootkit Hunter) is a Unix-based tool that scans for rootkits, backdoors and possible local exploits. It does this by comparing SHA-1 hashes of...

sum is a legacy utility available on some Unix and Unix-like operating systems. This utility outputs a 16-bit checksum of each argument file, as well...

sites for which access is redirected. SquidGuard must be installed on a Unix or Linux computer such as a server computer. The software's filtering extends...

UUCP (Unix-to-Unix Copy) is a suite of computer programs and protocols allowing remote execution of commands and transfer of files, email and netnews between...

Additionally, suEXEC perform a multi-step check on the executed CGI to ensure security for the server (including path-checks, a limit of permitted commands, etc...

Windows Services for UNIX (SFU) is a discontinued software package produced by Microsoft which provided a Unix environment on Windows NT and some of its...

passwd is a command on Unix, Plan 9, Inferno, and most Unix-like operating systems used to change a user's password. The password entered by the user is...

with Richard van den Berg, an independent Dutch security consultant. The project is used on many Unix-like systems as an inexpensive baseline control...

In Unix, Plan 9, and Unix-like operating systems, the strip program removes information from executable binary programs and object files that is not essential...