FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
ereddy
Staff
Staff
Article Id 193332
Description
This article describes how to block all access from the internal server to internet other than the specific allowed sites.

Solution
In this scenario, the servers behind FortiGate are secured where the internet access is blocked to all including Telnet.

To achieve this, block all the categories in web filter as below screenshot.





Further to block the Telnet access from the internal server to external sites.
Block the Telnet application on the application control as described below.




Use proxy and deep inspection profile to improve inspection and detection of applications.

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