This port can be used when printing with LPD (for example, from UNIX ®)) or using the Microsoft ®) LPR port monitor. Allows the Jetdirect to connect to a syslog server. Although ports 80, 280, or 631 continue for IPP (Internet Printing Protocol) use, other insecure communications are ignored. When enabled, SSL/TLS provides confidentiality, data integrity, and authentication for the communication between a Web browser and the Jetdirect Web server.
HOW TO INSTALL GENERIC IEEE 1284.4 PRINTING SUPPORT INSTALL
Some HP software utilities use multicast and SLP to automatically discovery and automatically install a printer on the network. Newer HP Jetdirect devices use the SLP (Service Location Protocol) packet type for advertising their services. 427 UDP port for SLP (Service Location Protocol).Allows MFP devices to perform address lookups. Used by embedded web service and IPP printing. The Jetdirect's SNMP trap destination IP address and this port number can be configured using Web Jetadmin or Telnet. Many SNMP Management utilities can be configured to capture traps. This port can be used when the network is configured to capture trap information. HP Jetadmin and HP Web Jetadmin use SNMP to configure and query the status of HP Jetdirect devices. This port can be accessed by any SNMP Management utility. Used by HP LaserJet MFP devices for Kerberos authentication (if configured). The Embedded Web Server page allows a user to configure the HP Jetdirect using a supported browser. HP Jetdirect devices have an embedded Web page in the firmware which can be accessed through this port. 80 TCP port for HTTP for EWS (Embedded Web Server).This port is used for configuration and upgrading the Jetdirect firmware. Port 67 is the BOOTP Server and port 68 is the BOOTP Client. 67 and 68 TCP ports for DHCPv4 and BOOTP (they use the same client and server ports).Allows MFP devices to resolve hostnames for use with Digital Sending functions. Newer HP Printers and Multi-Function Devices have the capability of sending e-mail alerts directly from the device. This port can be used for remote configuration of the HP Jetdirect device when there are no other configuration methods or it can be used to check the current configuration. Up to three simultaneous FTP sessions can be active at the same time. After the connection is established, in active mode FTP, a data connection will be made from port 20. Port 21 is the control port, which the Jetdirect will listen on for the initial connection.
HP Jetdirect listens on TCP port 20 for FTP connection requests. These ports can be use to FTP files directly to Jetdirect print servers.
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