Category:Unix security software: Difference between revisions

Revision as of 15:57, 31 August 2016

Latest revision as of 09:49, 25 August 2019

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{{Portal box|Linux|Computer security}}

Unixes have a multi-tier security that permits user ''[[root (Linux)|root]]'' any system-wide changes. Regular users can be limited: where they can save files, what hardware they can access, their memory usage, applications, disk usage ([[disk quota|quota]]), and the range of [[Scheduling (computing)|priority]] settings they can apply, can all be specified to provide sufficient freedoms. If necessary they must become ''root''. (See <ttsamp>[[su (Unix)|su]]</ttsamp> or [[sudo]]). There are also group accounts management, and file and directory permissions.

Unix security software examples include for:

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*System logging, [[Syslog]];

*Network services, TCP wrappers, port mappers, and [[xinetd]];

*The shell, [[ssh]] (see also [[openssh]]), [[AutoSSH]].

*Security auditing, [[WZSysGuard]], [[Crack (password software)|Crack]], [[Tiger (security software)|Tiger]] and [[Tripwire (software)|Tripwire]];

*Cryptographic software, TCFS;

*Privilege delegation, [[CaclMgr]], [[sudo]];

*Packet filtering, [[pf]].

Many Unix software applications are [[open standard]] and [[Open-source software|open source]]. For example any application may extend its own authentication, configuration and logging over to PAM or Syslog.

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