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Special Forums News, Links, Events and Announcements Software Releases - RSS News check_afs_rpc 1.0.1 (Default branch)
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Old 03-20-2008
check_afs_rpc 1.0.1 (Default branch)
check_afs_rpc is a Nagios plugin for checking AFS file servers to see if there are client connections waiting for a free thread. If there are more than a few of these, AFS performance tends to be very slow; this is a fairly reliable way to catch overloaded file servers. By default, check_rxdebug returns a critical error if there are more than eight connections waiting for a free thread, and a warning if there are more than two. These thresholds can be changed with the --critical and --warning options. check_afs_rpc will always print out a single line of output including the number of blocked connections, and displaying whether this is critical, a warning, or okay. License: Perl License Changes:
The Nagios plugin is now compatible with embedded perl (ePN).Image

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fs_setcrypt

FS_SETCRYPT(1)						       AFS Command Reference						    FS_SETCRYPT(1)

NAME

       fs_setcrypt - Enables of disables the encryption of AFS file transfers

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

       will enable encryption for authenticated connections and:

	  % fs setcrypt -crypt off
	  % fs setcrypt off

       will disable encryption.

PRIVILEGE REQUIRED

       The issuer must be logged in as the local superuser root.

SEE ALSO

       fs_getcrypt(1)

       The description of the fcrypt encryption mechanism at 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)