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6 • Security
Model 3086 G.SHDSL Integrated Access Device User Guide
124
Security Triggers
To allow pings between the two PCs:
1.
From the Configuration Menu, > Configuration > Security > Firewall Policy Configuration > Port Filters >
Add Raw IP Filter
2.
Enter
1
(for ICMP) in Transport Type.
3.
Both Inbound and Outbound should be allowed.
4.
Click on
Apply
.
You can now ping between the two networks
Security Triggers
Security triggers are used to allow an application to open a secondary port in order to transport data. The most
common example is FTP. This procedure is to set up a trigger on the Firewall to have an FTP session from PC
A to PC B, but not the reverse.
1.
First, create an outbound-only portfilter for FTP and add it to the item0 policy.
2.
Following the path given in step 1 for the ping portfilter, click on
Add TCP Filter
.
3.
The Port Range is entered as
21
for both Start and End.
4.
Set Inbound as
Block
, but Outbound as
Allow
.
5.
Click on
Apply
.
94
IPIP
Transport Type Abbreviation