Filter
Top Products
Billion 400G
Router
Chapter 4: Configuration
74
External Port:
The
Port
number
on
the
Remote/WAN
side
that
is
used
when
accessing
the
virtual
server.
Redirect Port:
The
Port
number
that
the
Local
server
on
the
LAN
network
will
be
listening
on.
Internal IP Address:
The
private
IP,
on
the
LAN
network,
of the
virtual
server
application.
Lists
all
the
existing
c
omputer
connections
on
the
network.
You
may
assign
a
Computer
by IP
address
or
MAC
address
from
this
list.
Select the Add button to apply your changes.
Example: List of some well-known and registered port numbers.
The
Internet
Assigned
Numbers
Authority
(IANA)
is
the
central
coordinator
for
the
assignment
of
unique
parameter
values
for
Internet
protocols.
Port
numbers
range
from
0
to
65535,
but
only
ports
numbers
0
to 1023
are
reserved
for
privileged
services
and
are
designated
as
“well-known
ports”
(Please
refer
to
Table 5).Registered
ports
are
numbered
from
1024
through
49151.
The
remaining
ports,
referred
to
as dynamic
or
private
ports,
are
numbered
from
49152
through
65535.
For further information, please see IANA’s website at: http://www.iana.org/assignments/port-numbers
Table 5: Well-known and registered Ports
Port Number
Protocol Description
20 TCP FTP Data
21 TCP FTP Control
22 TCP & UDP SSH Remote Login Protocol
23 TCP Telnet
25 TCP SMTP (Simple Mail Transfer Protocol)
53 TCP & UDP DNS (Domain Name Server)
69 UDP TFTP (Trivial File Transfer Protocol)
80 TCP World Wide Web HTTP
110 TCP POP3 (Post Office Protocol Version 3)
119 TCP NEWS (Network News Transfer Protocol)
123 UDP NTP (Network Time Protocol)
/ SNTP (Simple Network Time
Protocol)
161 TCP SNMP
443 TCP & UDP HTTPS
1503 TCP T.120
1720 TCP H.323
4000 TCP ICQ
7070 UDP RealAudio