vladimirfp valdimirfp
valdimirfp
/ iptables_rules.sh
Created
October 13, 2021 09:55
— forked from virtualstaticvoid/iptables_rules.sh
25 Most Frequently Used Linux IPTables Rules Examples
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| # Modify this file accordingly for your specific requirement. | |
| # http://www.thegeekstuff.com | |
| # 1. Delete all existing rules | |
| iptables -F | |
| # 2. Set default chain policies | |
| iptables -P INPUT DROP | |
| iptables -P FORWARD DROP | |
| iptables -P OUTPUT DROP |
valdimirfp
/ ddos.conf
Created
October 13, 2021 09:43
— forked from mattia-beta/ddos.conf
IPtables DDoS Protection for VPS
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| ### 1: Drop invalid packets ### | |
| /sbin/iptables -t mangle -A PREROUTING -m conntrack --ctstate INVALID -j DROP | |
| ### 2: Drop TCP packets that are new and are not SYN ### | |
| /sbin/iptables -t mangle -A PREROUTING -p tcp ! --syn -m conntrack --ctstate NEW -j DROP | |
| ### 3: Drop SYN packets with suspicious MSS value ### | |
| /sbin/iptables -t mangle -A PREROUTING -p tcp -m conntrack --ctstate NEW -m tcpmss ! --mss 536:65535 -j DROP | |
| ### 4: Block packets with bogus TCP flags ### |