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IPTALES open unplivilidged port 8081

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http://nixcraft.com – Hi i was asked toopen por 8081 for free traffic so i put this rules: Quote: # Additional port $IPT -A INPUT -m state --state NEW -p tcp -dport 8081 -j ACCEPT $IPT -A OUTPUT -p tcp -sport 8081 -j ACCEPT How can i check if the port is opened? When i start: Quote: # nc -l 8081 & and then I get Quote: # netstat -nat | grep LISTEN tcp 0 0 0.0.0.0:8081 0.0.0.0:* LISTEN ... Then the port is here but when i dont start the nc its not i (HowTos)