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Securelevel: Berkeley Software Distribution, FreeBSD Jail, FreeBSD -

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2026-04-09
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High Quality Content by WIKIPEDIA articles! Securelevel is a security mechanism in *BSD kernels, which can optionally restrict certain capabilities. Securelevel is controlled by a sysctl variable kern.securelevel. This value is an integer, which set to a value > 0 enables certain class of restrictions. Any superuser process can raise securelevel, but only init process (and not even that on FreeBSD) can lowe ... Täielik kirjeldus

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High Quality Content by WIKIPEDIA articles! Securelevel is a security mechanism in *BSD kernels, which can optionally restrict certain capabilities. Securelevel is controlled by a sysctl variable kern.securelevel. This value is an integer, which set to a value > 0 enables certain class of restrictions. Any superuser process can raise securelevel, but only init process (and not even that on FreeBSD) can lower it. When used with FreeBSD jails, each jail maintains its own securelevel in addition to the global securelevel. When evaluated, the higher of the two securelevels will be used. This allows the host environment to run at a lower securelevel than jails, so that it can manipulate file flags that the jails may not be able to.

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Kirjastaja OmniScriptum
Väljalaskeaasta 2026
Kaanetüüp Pehme kaanega
EAN 9786133539396
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117,44 € 195,73 €