11 lines
432 B
Bash
11 lines
432 B
Bash
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#!/bin/bash
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# Allow incoming and outgoing ssh, dns and dhcp
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iptables -I INPUT -p tcp --dport 22 -j ACCEPT
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iptables -I INPUT -p udp --dport 53 -j ACCEPT
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iptables -I INPUT -p tcp --dport 53 -j ACCEPT
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iptables -I INPUT -p udp --dport 68 -j ACCEPT
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iptables -I OUTPUT -p tcp --dport 22 -j ACCEPT
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iptables -I OUTPUT -p udp --dport 53 -j ACCEPT
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iptables -I OUTPUT -p tcp --dport 53 -j ACCEPT
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iptables -I OUTPUT -p udp --dport 67 -j ACCEPT
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