HP-UX Networking Ports Reference Guide

Chapter 1
Port Numbers and Ranges
Port and Port Range Use
6
512 exec/biff TCP/UDP Remote Execution
513 login TCP Remote Login
513 who UDP Remote Who and Uptime
514 shell TCP Remote Command, No Password Used
514 syslogd UDP Network System Logging
515 printer TCP Remote Print Spooling
If the server is not used as a print server, disable
this service in the inetd.conf file.
517 talk UDP Talk, Conversation
518 ntalk UDP New Talk, Conversation
You can disable this service in the inetd.conf file.
520 route UDP Routing Information Protocol
520 efs TCP Extended File Name Server
521 RIPng TCP/UDP Route Information Protocol Next Generation
RIPng is used with IPv6 only.
525 timed UDP Remote Clock Synchronization
526 tempo TCP New Date
530 courier TCP
531 conference TCP Chat
532 netnews TCP Read News
533 netwall UDP Emergency Broadcasting
540 uucp TCP Unix-to-Unix Copy Protocol (UUCP) Daemon
543-545 Kerberos TCP These ports are used by Kerberos authenticated
service. See the individual port numbers for more
details on the services used by each port. Also see
Ports 750, 751, 760, 761, and 2105.
If Kerberos security is not being used on the system,
these ports can be disabled in the /etc/inetd.conf
file.
543 klogin TCP Kerberos rlogin -kfall
544 kshell TCP Kerberos Remote Shell -kfall
545 ekshell TCP Kerberos Encrypted Remote Shell -kfall
556 remotefs TCP Brunhoff Remote Filesystem
Table 1-1 (Continued)
Port/Port
Range
Service/Application Protocol Description