Chapter 12 Firewall
PMG2006-T20A User’s Guide
97
Figure 61
Security > Firewall > General
The following table describes the labels in this screen.
12.3 The Protocol Screen
You can configure customized services and port numbers in the
Protocol
screen. For a comprehensive
list of port numbers and services, visit the IANA (Internet Assigned Number Authority) website. See
for some examples. Note that the protocol rules listed in this screen need to
work with the ACL Rules in
Access Control
screen.
Click
Security > Firewall > Protocol
to display the following screen.
Figure 62
Security > Firewall > Protocol
Table 43 Security > Firewall > General
LABEL
DESCRIPTION
Firewall
Select
Enable
to activate the firewall feature on the PMG2006-T20A.
Low
Select
Low
to allow LAN to WAN and WAN to LAN packet directions.
Medium
Select
Medium
to allow LAN to WAN but deny WAN to LAN packet directions.
High
Select
High
to deny LAN to WAN and WAN to LAN packet directions. When the security level is
set to
High
, access to the following services is allowed: Telnet, FTP, HTTP, HTTPS, DNS, IMAP, POP3
and SMTP
LAN to WAN
This field shows whether access to the Internet services are allowed in different security levels.
WAN to LAN
This field shows whether access from other computers on the Internet are allowed in different
security levels.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to restore your previously saved settings.
