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I want to test my firewall with the tool ftest in Kali Linux aka FTester.

My both hosts are Debian systems with iptables as firewall/packet filter. When sending packets from one host to the other, I would like to check whether the firewall is working properly or not.

The syntax is not quite clear to me:

sourceaddress:sourceport:destinationaddress:destinationport:protocol:flag:tos

What port and what flag should be used to get it work? Should a flag be considered with the port?

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Another way to test the firewall is to use nmap. Here's and example that tests 3 IPs:

sudo nmap -A --reason -Pn -sT -vv 192.168.0.1, 192.168.0.2, 192.168.0.3
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  • Thank you for your help but i want to test my firewall with the tool ftest in Kali Linux aka FTester. Sep 15, 2016 at 18:42
  • Yep, that's what you said. No problem. Sep 19, 2016 at 12:37

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