Restricting use of the LPD protocol to submit jobs

You can limit the hosts that can use the LPD protocol to submit jobs to all the input devices with the same parent server.
To restrict the use of the LPD protocol:
  • If the parent server of the input devices is a Linux computer, change the Hosts allowed to submit LPD jobs system property.
    The default is to allow input from all systems.
    1. Click the Administration tab.
    2. In the left pane, click System →  Settings.
    3. In the Hosts allowed to submit LPD jobs field, type a list of authorized host names or IP addresses separated with semicolons.

      You can use an asterisk (*) to represent zero or more characters. Values that contain only digits (0–9), decimal points (.), and asterisks (*) are compared to the IP address of the incoming connection. Values that contain one or more alphabetic characters (A–Z, a-z) are compared to the host name of the incoming connection.

      A list value of * means that all hosts are allowed to submit jobs. An empty list value means that no hosts are allowed to submit jobs.

  • If the parent server of the input devices is a Linux computer, change the Hosts allowed to submit LPD jobs system property.
    The default is to allow input from all systems.
    1. Click the Administration tab.
    2. In the left pane, click Settings → System.
    3. In the Hosts allowed to submit LPD jobs field, type a list of authorized host names or IP addresses separated with semicolons.

      You can use an asterisk (*) to represent zero or more characters. Values that contain only digits (0–9), decimal points (.), and asterisks (*) are compared to the IP address of the incoming connection. Values that contain one or more alphabetic characters (A–Z, a-z) are compared to the host name of the incoming connection.

      A list value of * means that all hosts are allowed to submit jobs. An empty list value means that no hosts are allowed to submit jobs.

  • If the parent server of the input devices is an AIX computer, edit the /etc/hosts.lpd file on the AIX computer.
    The default is to deny input from all systems.
    1. Log in to the operating system as the root user.
    2. Start SMIT.
    3. Click Print Spooling → AIX Print Spooling  → Manage Print Server → Add Print Access for a Remote Client.
    4. In the Name of REMOTE CLIENT field, type the host name or IP address of the system that you want to allow to send jobs to the Ricoh ProcessDirector server.

      If you are not using Domain Name Services (DNS), you must fully qualify the host name. For example: mathomhouse.micheldelving.org.
    5. Press Enter.
 
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