ADTRAN Total Access 850 System Manual page 154

Section 4 User Interface Guide
P P
UBLIC ORT
This option appears when the
protocol (such as TCP, UDP, or ICMP). Choices are
. The public destination port associated with this entry can be
S
PECIFIED
specified to add more control over certain types of traffic. Leave this configured
as
A P
NY ORT
P P
UBLIC ORT
This menu appears when the
option to specify the public port number to translate. Some well known
TCP/UDP port numbers are shown below:
P A
RIVATE
Choose
A
NY
the private address. The private IP address can be specified to filter certain
protocols and ports to specific servers in the private network. Likewise, internal
hosts can be steered to certain servers on the public network. A new request
from the public network that matches this entry's public parameters is dropped
if the P
RIVATE
protocols that the internal router is expected to respond to, such as ICMP or
SNMP).
P A
RIVATE
This menu appears when the
allows the user to enter a specific private IP address for this translation. Packets
destined for the public IP address (of this translation) are redirected to the
private IP address specified here.
154
M
ODE
P
ROTOCOL
to cover all port types.
P
UBLIC
Port Number Keyword
20 FTP (data)
21 FTP (control) File Transfer Protocol Control
23 Telnet
666 DOOM
53
69
80
110 POP3
M
DDRESS ODE
(default) or
I
NTERNAL
A M is set to
DDRESS ODE
DDRESS
P
RIVATE
© 2004 ADTRAN, Inc.
is configured with a single
M
ODE
A
NY
is set to
P M
ORT ODE
Port Type
File Transfer Protocol Data
TCP/IP terminal emulation utility
DOOM
DNS Domain Name Server
TFTP Trivial File Transfer Protocol
HTTP Hypertext Transfer Protocol
Post Office Protocol ver. 3
to choose which address to use for
S
PECIFIED
A I (with the exception of
NY NTERNAL
A M is set to
DDRESS ODE
Total Access 850 System Manual
(default) and
P
ORT
. Use this
S
PECIFIED
S , and
PECIFIED
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