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→Testing your custom firewall
===Testing your custom firewall===
#Use nmap to scan your firewall from 142192.204168.141122.XXX1. If you don't have nmap on your system then install it.#Use ping and ssh from 142192.204168.141122.XXX 1 (and elsewhere) to verify your firewall is working properly. Be sure to check the log file for your unsuccessful ssh attempts.
#Save your firewall rules.