LPRng Reference Manual: 5 Sep 2003 (For LPRng-3.8.22)
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# 17.6. More Examples

The following is a more complex lpd.perms file.

        # All operations allowed except those specifically forbidden
        DEFAULT ACCEPT
        #Reject connections which do not originate from hosts with an
        # address on 130.191.0.0 or from localhost,
        # or name is not assigned to Engineering pc's
        REJECT SERVICE=X NOT IFIP=130.191.0.0/16,127.0.0.1/32
        REJECT SERVICE=X NOT REMOTEHOST=engpc*
        #Do not allow anybody but root or papowell on
        #astart1.private or the server to use control
        #facilities.
        ACCEPT SERVICE=C SERVER REMOTEUSER=root
        ACCEPT SERVICE=C REMOTEHOST=astart1.private REMOTEUSER=papowell
        #Allow root on talker.private to control printer hpjet
        ACCEPT SERVICE=C HOST=talker.private PRINTER=hpjet REMOTEUSER=root
        #Reject all others
        REJECT SERVICE=C
        #Do not allow forwarded jobs or requests
        REJECT SERVICE=R,C,M FORWARD
        # allow same user on originating host to remove a job
        ACCEPT SERVICE=M SAMEHOST SAMEUSER
        # allow root on server to remove a job
        ACCEPT SERVICE=M SERVER REMOTEUSER=root

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