ZyXEL GS1920 Series User Guide - Page 360
Table 175, Protocol, Ports, Description
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Appendix B Common Services Table 175 Commonly Used Services (continued) NAME HTTPS PROTOCOL TCP ICMP User-Defined ICQ IGMP (MULTICAST) UDP User-Defined IKE UDP IRC MSN Messenger TCP/UDP TCP NEW-ICQ NEWS NFS TCP TCP UDP NNTP PING TCP User-Defined POP3 TCP PPTP TCP PPTP_TUNNEL (GRE) User-Defined RCMD REAL_AUDIO REXEC RLOGIN RTELNET RTSP TCP TCP TCP TCP TCP TCP/UDP SFTP TCP SMTP TCP SNMP SNMP-TRAPS TCP/UDP TCP/UDP PORT(S) 443 1 4000 2 500 6667 1863 5190 144 2049 119 1 110 1723 47 512 7070 514 513 107 554 115 25 161 162 DESCRIPTION HTTPS is a secured http session often used in ecommerce. Internet Control Message Protocol is often used for diagnostic or routing purposes. This is a popular Internet chat program. Internet Group Multicast Protocol is used when sending packets to a specific group of hosts. The Internet Key Exchange algorithm is used for key distribution and management. This is another popular Internet chat program. Microsoft Networks' messenger service uses this protocol. An Internet chat program. A protocol for news groups. Network File System - NFS is a client/server distributed file service that provides transparent file sharing for network environments. Network News Transport Protocol is the delivery mechanism for the USENET newsgroup service. Packet INternet Groper is a protocol that sends out ICMP echo requests to test whether or not a remote host is reachable. Post Office Protocol version 3 lets a client computer get e-mail from a POP3 server through a temporary connection (TCP/IP or other). Point-to-Point Tunneling Protocol enables secure transfer of data over public networks. This is the control channel. PPTP (Point-to-Point Tunneling Protocol) enables secure transfer of data over public networks. This is the data channel. Remote Command Service. A streaming audio service that enables real time sound over the web. Remote Execution Daemon. Remote Login. Remote Telnet. The Real Time Streaming (media control) Protocol (RTSP) is a remote control for multimedia on the Internet. Simple File Transfer Protocol. Simple Mail Transfer Protocol is the messageexchange standard for the Internet. SMTP enables you to move messages from one e-mail server to another. Simple Network Management Program. Traps for use with the SNMP (RFC:1215). GS1920 Series User's Guide 360