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Re: [ezjail] dmesg from jail console lists host info



Le mardi 25 à 13:13, Joe a écrit :
> Freebsd 8.0 and ezjail installed from ports collection. Do
> ezjail-admin onestart jail9
> ezjail-admin console jail9
> then from the jail9 console issue dmesg command and the hosts info is 
> listed.

This is more a question about the jails per se. From the FreeBSD wiki:

http://wiki.freebsd.org/Jails
> leak of system message buffer from host system to jails
> 
>     By default jails can read the system message buffer (ie: the
> console buffer). In many cases this isn't desired. Add the following
> line to /etc/sysctl.conf to turn it off:
> security.bsd.unprivileged_read_msgbuf=0

-- 
Fred