ZyXEL Communications VMG1312-B Series - Page 361

Appendix F Services
VMG1312-B Series User’s Guide
361
NEW-I CQ TCP 5190 An I nternet chat pr ogram .
NEWS TCP 144 A protocol for news groups.
NFS UDP 2049 Network File Syst em - NFS is a client/
server distribut ed file service t hat prov ides
transparent file sharing for network
environm ents.
NNTP TCP 119 Net w ork News Transport Protocol is t he
delivery m echanism for t he USENET
newsgr oup service.
PI NG User-Defined 1 Packet I Nt ernet Groper is a protocol that
sends out I CMP echo request s to t est
whether or not a rem ot e host is reachable.
POP3 TCP 110 Post Office Protocol ver sion 3 lets a client
com puter get e- m ail from a POP3 server
thr ough a t em porary connect ion (TCP/ I P or
other).
POP3S TCP 995 This is a m ore secure version of POP3 t hat
runs over SSL.
PPTP TCP 1723 Point- t o-Point Tunneling Protocol enables
secure transfer of data over public
networks. This is t he control channel.
PPTP_TUNNEL (GRE) User-Defined 47 PPTP ( Point - t o-Point Tunneling Protocol)
enables secure transfer of dat a over public
net works. This is the data channel.
RCMD TCP 512 Rem ot e Com m and Ser vice.
REAL_AUDI O TCP 7070 A st ream ing audio service that enables real
tim e sound over the w eb.
REXEC TCP 514 Rem ot e Execut ion Daem on.
RLOGI N TCP 513 Rem ot e Login.
ROADRUNNER TCP/ UDP 1026 This is an I SP that provides services m ainly
for cable m odem s.
RTELNET TCP 107 Rem ot e Telnet .
RTSP TCP/ UDP 554 The Real Tim e Stream ing ( m edia control)
Protocol ( RTSP) is a remot e cont rol for
m ult im edia on t he I nternet .
SFTP TCP 115 The Sim ple File Transfer Protocol is an old
way of transferring files bet ween
com put ers.
SMTP TCP 25 Sim ple Mail Transfer Prot ocol is t he
m essage- exchange standard for the
I nt ernet. SMTP enables you t o m ove
m essages from one e- m ail server t o
anot her.
SMTPS TCP 465 This is a m ore secure ver sion of SMTP t hat
runs over SSL.
SNMP TCP/ UDP 161 Sim ple Network Managem ent Program .
SNMP-TRAPS TCP/ UDP 162 Traps for use with the SNMP (RFC: 1215) .
Table 129 Exam ples of Services ( continued)
NAME PROTOCOL PORT(S) DESCRIPTION