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    Command:

    fs_setcrypt

    
    
    

    SYNOPSIS

           fs setcrypt [-crypt] <on/off> [-help]
    
    
    

    DESCRIPTION

           The fs setcrypt command sets the status of network traffic encryption
           for file traffic in the AFS client. This encryption applies to file
           traffic going to and coming from the AFS File Server for users with
           valid tokens.  This command does not control the encryption used for
           authentication, which uses Kerberos 5 or klog/kaserver. The complement
           of this command is fs getcrypt, which shows the status of encryption on
           the client.
    
           The default encryption status is enabled.
    
           This is a global setting and applies to all subsequent connections to
           an AFS File Server from this Cache Manager. There is no way to enable
           or disable encryption for specific connections.
    
    
    

    CAUTIONS

           AFS uses an encryption scheme called fcrypt, based on but slightly
           weaker than DES, and there is currently no way to specify a different
           encryption mechanism. Because fcrypt and DES are obsolete, the user
           must decide how much to trust the encryption. Consider using a Virtual
           Private Network at the IP level if better encryption is needed.
    
           Encrypting file traffic requires a token. Unauthenticated connections
           or connections authorized via IP-based ACLs will not be encrypted even
           when encryption is turned on.
    
    
    

    OPTIONS

           -crypt <on/off>
               This is the only option to fs setcrypt. The -crypt option takes
               either "on" or "off". "on" enables encryption. "off" disables
               encryption. Since this is the only option, the "-crypt" flag may be
               omitted.
    
               0 and 1 or "true" and "false" are not supported as replacements for
               "on" and "off".
    
           -help
               Prints the online help for this command. All other valid options
               are ignored.
    
    
    

    OUTPUT

           This command produces no output other than error messages.
    
    
    

    EXAMPLES

           There are only four ways to invoke fs setcrypt.  Either of:
    
              % fs setcrypt -crypt on
              % fs setcrypt on
    
           http://surfvi.com/~ota/fcrypt-paper.txt <http://surfvi.com/~ota/fcrypt-
           paper.txt>.
    
    
    

    COPYRIGHT

           Copyright 2007 Jason Edgecombe <jason@rampaginggeek.com>
    
           This documentation is covered by the BSD License as written in the
           doc/LICENSE file. This man page was written by Jason Edgecombe for
           OpenAFS.
    
    
    

    OpenAFS 2012-03-26 FS_SETCRYPT(1)

    
    
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