vos_setseclevels - Sets the permitted security classes and levels for a volume.
vos setseclevels -id <volume name or ID> -levels <class:level+> [-clear] [-config <configuration file>] [-cell <cell name>] [-noauth] [-auth] [-localauth] [-encrypt [<yes|no>]] [-verbose] [-noresolve] [-config <configuration file>] [-help]
The vos setseclevels command sets the permitted security class and level combinations for accessing data from the specified volume. All access to the volume will be checked against this list.
In addition, no access to the volume will be permitted if the hosting file server has a more permissive security policy. All class and level combinations accepted by the file server must also be acceptable for the volume.
This command is not effective on read-only or backup volumes.
Identifies the volume on which to operate, either by its complete name or volume ID number.
Defines a list of one or more class:level combinations. As an exception, the rxnull class does not require a level and must appear by itself.
The following classes are recognized: rxnull, rxkad, yfs-rxgk
The following levels are recognized: clear, auth, crypt
Removes any security level and class setting for the volume.
Names the cell in which to run the command. Do not combine this argument with the -localauth flag. For more details, see vos.
Assigns the unprivileged identity
anonymous to the issuer.
Do not combine this flag with the -localauth flag.
For more details,
Obtains an authentication token using the server encryption key with the highest key version number in the local /etc/yfs/server/KeyFileEx file. The resulting token never expires and has Super User privileges. Do not combine this flag with the -cell argument or -noauth flag. For more details, see vos.
Use the calling user's tokens from the kernel or as obtained using the active Kerberos ticket granting ticket to communicate with the Volume Server and Location Service. This is the default if neither -localauth nor -noauth is given.
Since this option is the default, it is usually not useful for running single command line operations. However, it can be useful when running commands via vos interactive or vos source, since otherwise it would be impossible to switch from, for example, -localauth back to using regular tokens during a bulk operation.
Produces on the standard output stream a detailed trace of the command's execution. If this argument is omitted, only warnings and error messages appear.
Enables or disables encrytion for the command so that the operation's results are not transmitted across the network in clear text.
Shows all servers as IP addresses instead of the reverse DNS lookup hostname.
-noresolve useful when troubleshooting
no such volume and
volume moved errors.
Set the location of the configuration file to be used. The default file is /etc/yfs/yfs-client.conf.
Prints the online help for this command. All other valid options are ignored.
This command produces no output other than error messages.
To restrict access to the volume
secret_data to clients using
yfs_rxgk over encrypted connections:
% vos setseclevels -id secret_data -levels yfs-rxgk:crypt
The issuer must be listed in the /etc/yfs/server/UserListExt file on the File Server specified by the -server argument and on each Location Server. If the -localauth flag is included, the issuer must instead be logged on to a server with an account capable of reading the /etc/yfs/server/KeyFileExt file.
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