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<td>'''iptables -I INPUT -p tcp --sport 22 -j LOG'''</td><td>Insert policy at '''<u>top</u>''' of INPUT chain to log all tcp packets from port 22</td>
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<td>'''iptables -I INPUT 3 -p tcp --dport 22 -j LOG'''</td><td>Insert policy <u>'''before line 3'''</u> of INPUT chain to log all tcp packets from port 22</td>
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