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February 10, 2016 17:00
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iptables modification with backup
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| # Backup | |
| iptables-save > my-iptables | |
| # Forbid access by an IP | |
| iptables -A INPUT -p tcp --dport 8000 -s 1.2.3.4 -j ACCEPT | |
| iptables -A INPUT -p tcp --dport 8000 -j DROP | |
| # Optional restore OR manual modification apply | |
| #iptables-restore < my-iptables |
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