User's Manual
81
Web
Web Conguration
This page allows you to specify up to 9 such rules. The IP address can be
entered multiple times with different ports. For example, to specify that
outsiders should have access to an HTTP server (HTTP on port =80) (HTTP
port) amd Protocol = TCP (HTTP runs over TCP)
Create 1 rule with that address and with Source Port = 80 and •
Destination Port =80 (HTTP port) and Protocol = TCP (HTTP runs over
TCP)
click on “+” to enter this rule•
Click“apply”tovalidatetheconguration•
This will cause inbound packets that match to be forwarded to that •
PC rather than blocked
Buttons + and – are used to add and remove a rule
Button apply is used to validate the rules entered
Button cancel is used to cancel the last action
Button remove all is used to remove all the rules
List of common applications and ports they use:
AUTH : port 113•
DNS : port 53•
FTP : port 21•
FTP_DATA : port 20•
FTP_SRV : ports 1024 to 65535•
HTTP : port 80•
HTTPS : port 443•
IPSEC : port 500•
NTP : port 123•
Note: For certain data transfer applications (FTP for example), you have to
use rewall security levels minimum or medium because most of the
trafc is blocked in the maximum level of security.
POP3 : port 110•
PPTP : port 1723•
SMTP : port 25•
SSH : port 22•
TELNET : port 23•
TFTP : port 69•
VNC : port 5900•
VNC_http : port 5800•