HP LaserJet M5000 LaserJet MFP - Imaging and Printing Security Best Practices - Page 80
Device Settings, Network Options, I/O Timeout to End Print Job, Job Hold Timeout
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Disabling SNMPv1 disables SNMPv1 GET and SNMPv2 SET commands. Any solution or software that requires SNMPv1 or SNMPv2 will not function. If you require these to be enabled be sure to set the community name to something that would be difficult to guess. Device Page Settings • Set I/O Timeout to End Print Job. The I/O Timeout to End Print Job allows you to specify the amount of time a device should wait between packets before canceling a job. Setting this timeout will help prevent jobs formed or sent incorrectly from tying up a print resource. If you are on a busy network or spool large jobs real time that may cause packet gap set this setting high enough to accommodate your environment. • Enable Job Hold Timeout. Job Hold Timeout is related to the Job Retention setting below. It permanently deletes stored jobs (except fax) that are held past the allowed time. This ensures that the stored jobs are not accessible after a time, and it ensures that the hard drive is cleared periodically. Job Hold Timeout requires that users are mindful of their print jobs. They will not be able to recover jobs that are deleted after the timeout period. Jobs are deleted securely according to the Secure File Erase setting (appears later in this checklist). • Enable Job Retention. Job Retention is a feature of the MFP that saves fax or print jobs on the hard drive for printing when the user is present. The security implication is that a user can be sure others will not be able to see the printed documents. For printing, a user sets the PIN at the time of sending the print job to the MFP. For fax printing, the PIN is configured for all incoming jobs using Web Jetadmin. The MFP will require the PIN number at the control panel before it will print the job. Configuring Job Retention enables more efficient use of the MFP hard drive. Thus, you should configure Job Hold Timeout and other related settings. NOTE: Stored faxes are not affected by the Job Hold Timeout. Network Page Options • Configure Enable Features options (do not disable EWS Config at this point). These options enable or disable various supported features for the MFP. These features are designed for access and convenience on the network, but they should be disabled when not in use (sometimes only for best-practice control of the networking capabilities). The following list explains the ramifications of each feature: • Disable Telnet Config. Telnet Config is an access point used by some older (legacy) printer management tools. Jetdirect also supports some Telnet commands. Telnet Config transmits data in clear text, and it should not be used. With it disabled, MFPs will deny access to Telnet sessions. Web Jetadmin does not use Telnet Config; thus disabling it has no affect on it. It disables other tools, but Web Jetadmin is the only solution recommended for managing HP MFPs. Chapter 7 HP LaserJet and Color LaserJet MFP Security Checklist 76