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/freebsd-10.2-release/sys/kern/ | ||
H A D | kern_mib.c | diff 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 D | sysctl.h | diff 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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