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/freebsd-10.2-release/sys/kern/
H A Dkern_mib.cdiff 57111 Thu Feb 10 05:32:03 MST 2000 rwatson Introduce a new sysctl, kern.jailcansethostname, which determines whether
or not a process in a jail, with privilege, may set the jail's hostname.
Defaults to 1, which permits this. May be set to 0 by a process with
appropriate privilege outside of jail. Preventing hostname renaming
from within a jail is currently required to make jails manageable, as they
a currently identifiable only by hostname using /proc, which may be
modified without this sysctl being set to 0. This will be documented
in upcoming man commits.

Authorized by: jkh, the ever-patient
/freebsd-10.2-release/sys/sys/
H A Dsysctl.hdiff 57111 Thu Feb 10 05:32:03 MST 2000 rwatson Introduce a new sysctl, kern.jailcansethostname, which determines whether
or not a process in a jail, with privilege, may set the jail's hostname.
Defaults to 1, which permits this. May be set to 0 by a process with
appropriate privilege outside of jail. Preventing hostname renaming
from within a jail is currently required to make jails manageable, as they
a currently identifiable only by hostname using /proc, which may be
modified without this sysctl being set to 0. This will be documented
in upcoming man commits.

Authorized by: jkh, the ever-patient

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