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19 lines
590 B
Plaintext
19 lines
590 B
Plaintext
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# Show hit for rules with auto refresh
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watch --interval 0 'iptables -nvL | grep -v "0 0"'
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# Show hit for rule with auto refresh and highlight any changes since the last refresh
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watch -d -n 2 iptables -nvL
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# Block the port 902 and we hide this port from nmap.
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iptables -A INPUT -i eth0 -p tcp --dport 902 -j REJECT --reject-with icmp-port-unreachable
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# Note, --reject-with accept:
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# icmp-net-unreachable
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# icmp-host-unreachable
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# icmp-port-unreachable <- Hide a port to nmap
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# icmp-proto-unreachable
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# icmp-net-prohibited
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# icmp-host-prohibited or
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# icmp-admin-prohibited
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# tcp-reset
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