Mention that securelevel 1 also blocks access to /dev/io if it

exists (not all platforms have it).
svn path=/head/; revision=126055
2004-02-20 21:38:23 +00:00 · 2004-02-20 21:38:23 +00:00 · b4089f6417 · 2020-12-20 02:59:44 +00:00
commit b4089f6417
parent 6c2a427ef3
1 changed files with 3 additions and 2 deletions
--- a/sbin/init/init.8
+++ b/sbin/init/init.8
@ -107,9 +107,10 @@ Secure mode \- the system immutable and system append-only flags may not
 be turned off;
 disks for mounted file systems,
 .Pa /dev/mem ,
-and
 .Pa /dev/kmem
-may not be opened for writing;
+and
+.Pa /dev/io
+(if your platform has it) may not be opened for writing;
 kernel modules (see
 .Xr kld 4 )
 may not be loaded or unloaded.