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Document that securelevel >= 2 clamps time changes to at most one second.
PR: docs/14449 Submitted by: James FitzGibbon <james@targetnet.com>
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2020-12-20 02:59:44 +00:00
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@ -119,6 +119,10 @@ This level precludes tampering with filesystems by unmounting them,
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but also inhibits running
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.Xr newfs 8
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while the system is multi-user.
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.Pp
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In addition, kernel time changes are restricted to less than or equal to one
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second. Attempts to change the time by more than this will log the message
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.Dq Time adjustment clamped to +1 second .
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.It Ic 3
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Network secure mode \- same as highly secure mode, plus
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IP packet filter rules (see
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