22 relations: Berkeley Software Distribution, C (programming language), C string handling, Cross-platform, Daemon (computing), DragonFly BSD, FreeBSD, Information technology security audit, ISC license, Linux, MacOS, Message transfer agent, NetBSD, OpenBSD, OpenSSH, Porting, Privilege escalation, Privilege separation, Qualys, Simple Mail Transfer Protocol, Source code, Unix.
Berkeley Software Distribution
Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.
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C (programming language)
C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.
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C string handling
The C programming language has a set of functions implementing operations on strings (character strings and byte strings) in its standard library.
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Cross-platform
In computing, cross-platform software (also multi-platform software or platform-independent software) is computer software that is implemented on multiple computing platforms.
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Daemon (computing)
In multitasking computer operating systems, a daemon is a computer program that runs as a background process, rather than being under the direct control of an interactive user.
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DragonFly BSD
DragonFly BSD is a free and open source Unix-like operating system created as a fork of FreeBSD 4.8.
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FreeBSD
FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).
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Information technology security audit
A computer security audit is a manual or systematic measurable technical assessment of a system or application.
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ISC license
The ISC license is a permissive free software license published by the Internet Systems Consortium (ISC).
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Linux
Linux is a family of free and open-source software operating systems built around the Linux kernel.
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MacOS
macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.
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Message transfer agent
Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture.
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NetBSD
NetBSD is a free and open source Unix-like operating system that descends from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.
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OpenBSD
OpenBSD is a free and open-source Unix-like computer operating system descended from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.
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OpenSSH
OpenSSH (also known as OpenBSD Secure Shell) is a suite of security-related network-level utilities based on the Secure Shell (SSH) protocol, which help to secure network communications via the encryption of network traffic over multiple authentication methods and by providing secure tunneling capabilities.
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Porting
In software engineering, porting is the process of adapting software for the purpose of achieving some form of execution in a computing environment that is different from the one that a given program (meant for such execution) was originally designed for (e.g. different CPU, operating system, or third party library).
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Privilege escalation
Privilege escalation is the act of exploiting a bug, design flaw or configuration oversight in an operating system or software application to gain elevated access to resources that are normally protected from an application or user.
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Privilege separation
In computer programming and computer security, privilege separation is a technique in which a program is divided into parts which are limited to the specific privileges they require in order to perform a specific task.
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Qualys
Qualys, Inc. provides cloud security, compliance and related services and is based in Foster City, California.
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Simple Mail Transfer Protocol
Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (email) transmission.
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Source code
In computing, source code is any collection of code, possibly with comments, written using a human-readable programming language, usually as plain text.
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Unix
Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.
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References
[1] https://en.wikipedia.org/wiki/OpenSMTPD