HP-UX Networking Ports Reference Guide
Chapter 1
Port Numbers and Ranges
Port and Port Range Use
4
80 http TCP/UDP World Wide Web Hypertext Transfer Protocol
Used by HP-UX Apache-Based Web Server
87 link TCP Private Terminal Link
88 kerberos5 TCP/UDP Kerberos 5 kdc
95 supdup TCP
101 hostnames TCP NIC Host Name Server
102 tsap TCP ISO TSAP (part of ISODE). Used by OTS/9000
when RFC1006 configuration is enabled.
109 pop TCP Post Office Protocol Version 2
110 pop3 TCP Post Office Protocol Version 3
111 portmap/sunrpc/
rpcbind
TCP/UDP SUN Remote Procedure Call
113 ident TCP Authentication Service
This service is used to identify which user owns
which services. This service is unnecessary for
general system use.
To disable this service, edit the /etc/inetd.conf
file to comment out or disable this service, or use
SAM to disable this service.
115 sftp TCP Secure File Transfer Protocol
117 uucp-path TCP UUCP Path Service
119 nntp TCP Network News Transfer Protocol
Not commonly found on HP-UX systems.
123 xntpd UDP Network Time Protocol
Establishes relationships between servers. This
service is not normally configured on HP-UX
servers.
135 rpcd/dced TCP Distributed Computing Environment (DCE) based
RPC
137 netbios_ns TCP/UDP NetBIOS Name Service
The CIFS server uses this port. See the CIFS Server
documentation for information about configuring
security for this port.
138 netbios_dgm TCP/UDP NetBIOS Datagram Service
The CIFS server uses this port. See the CIFS Server
documentation for information about configuring
security for this port.
Table 1-1 (Continued)
Port/Port
Range
Service/Application Protocol Description