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https://github.com/qosmio/nss-packages.git
synced 2025-12-16 16:21:53 +00:00
35 lines
1.2 KiB
Bash
35 lines
1.2 KiB
Bash
#!/bin/sh
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FW_SCRIPT="/etc/init.d/firewall"
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if grep -q "fw3" "$FW_SCRIPT"; then
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if ! iptables -nvL | grep -q "Chain ECM-RATE-LIMIT"; then
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iptables -N ECM-RATE-LIMIT
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fi
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iptables -F ECM-RATE-LIMIT
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iptables -A ECM-RATE-LIMIT --match limit --limit 1000/sec --limit-burst 1000 -j RETURN
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iptables -A ECM-RATE-LIMIT -j DROP
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iptables -I zone_wan_forward 5 --match conntrack --ctstate NEW -j ECM-RATE-LIMIT
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[ -n "$(command -v ip6tables)" ] && {
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if ! ip6tables -nvL | grep -q "Chain ECM-RATE-LIMIT"; then
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ip6tables -N ECM-RATE-LIMIT
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fi
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ip6tables -F ECM-RATE-LIMIT
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ip6tables -A ECM-RATE-LIMIT --match limit --limit 1000/sec --limit-burst 1000 -j RETURN
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ip6tables -A ECM-RATE-LIMIT -j DROP
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ip6tables -I zone_wan_forward 5 --match conntrack --ctstate NEW -j ECM-RATE-LIMIT
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}
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elif grep -q "fw4" "$FW_SCRIPT"; then
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if ! nft list chain inet fw4 ecm_rate_limit > /dev/null 2>&1; then
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nft add chain inet fw4 ecm_rate_limit
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fi
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nft add rule inet fw4 ecm_rate_limit limit rate 1000/second burst 1000 packets counter return
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nft add rule inet fw4 ecm_rate_limit counter drop
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nft add rule inet fw4 forward_wan ct state new counter jump ecm_rate_limit comment '"!fw4: ECM Rate Limit 1000/pps"'
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fi
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