File nagios-plugins-README.SUSE-check_dhcp of Package nagios-plugins

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File nagios-plugins-README.SUSE-check_dhcp of Package nagios-plugins (Revision f414e8ce2627f3ef7544397b939c5b88)

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README.SUSE for nagios-plugins-dhcp

== check_dhcp and SuSEfirewall ==

If you run the check_dhcp script on the server, please make sure your UDP ports
67 and 68 on the _client_ are opened in the firewall. You also need to allow
the receive broadcasts for this interface. Otherwise  the script will be unable
to detect anything.

If your client uses the "external" interface for the check, the entries in
/etc/sysconfig/SuSEfirewall2 should look like:

FW_SERVICES_EXT_UDP="67 68"
FW_ALLOW_FW_BROADCAST_EXT="67 68"

== Special privileges ==

To be "safe per default", SUSE doesn't install this plugin with the
suid bit set. There are two recommended ways about overriding this on
your system:

=== Set the suid bit ===

Copy the prepared permissions file from this directory to the right place 
in your file system:

~ # cp /usr/share/doc/packages/nagios-plugins-common/example/permissions.d/nagios-plugins \
    /etc/permissions.d/nagios-plugins

...afterwards adapt the file /etc/permissions.d/nagios-plugins to your needs
(see comments in the file) and run:

~ # SuSEconfig --module permissions

or (on newer openSUSE distributions without SuSEconfig):
~ # chkstat --system --set

This will set the correct permissions (from now on also during an update).

=== Alternative: Use sudo to grant the permission and modify your plugin config ===

This way you need an entry like:

nagios ALL = NOPASSWD: /usr/lib/nagios/plugins/check_dhcp

in ''/etc/sudoers'' and an adapted command definition like the following:

define command{
        command_name    check_dhcp
        command_line    /usr/bin/sudo $USER1$/check_dhcp <other_options_here>
   }

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File nagios-plugins-README.SUSE-check_dhcp of Package nagios-plugins (Revision f414e8ce2627f3ef7544397b939c5b88)

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