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authornik <nik@FreeBSD.org>1999-12-16 02:15:53 +0000
committernik <nik@FreeBSD.org>1999-12-16 02:15:53 +0000
commit23f67763ada34941a5e9da074d9670dfd10294bf (patch)
treec0641990fcd438f97948ca33744713077ef1af9f /sbin/init
parent9a3f1f49295e157bf6205a63f73d652b5e00b74c (diff)
downloadFreeBSD-src-23f67763ada34941a5e9da074d9670dfd10294bf.zip
FreeBSD-src-23f67763ada34941a5e9da074d9670dfd10294bf.tar.gz
Document that securelevel >= 2 clamps time changes to at most one second.
PR: docs/14449 Submitted by: James FitzGibbon <james@targetnet.com>
Diffstat (limited to 'sbin/init')
-rw-r--r--sbin/init/init.84
1 files changed, 4 insertions, 0 deletions
diff --git a/sbin/init/init.8 b/sbin/init/init.8
index c254963..bc7357e2 100644
--- a/sbin/init/init.8
+++ b/sbin/init/init.8
@@ -119,6 +119,10 @@ This level precludes tampering with filesystems by unmounting them,
but also inhibits running
.Xr newfs 8
while the system is multi-user.
+.Pp
+In addition, kernel time changes are restricted to less than or equal to one
+second. Attempts to change the time by more than this will log the message
+.Dq Time adjustment clamped to +1 second .
.It Ic 3
Network secure mode \- same as highly secure mode, plus
IP packet filter rules (see
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