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Offload SYN Floods to synproxy

Firewall (nftables) · medium · solved in-browser (no VM needed) · 3 tiered hints

Write /etc/nftables.conf with a table inet filter and a prerouting chain (type filter hook prerouting). For new tcp connections to dport 80 (match ct state new), apply tcp synproxy with `synproxy mss 1460 wscale 7`. An input chain (type filter hook input) should also exist. (Authored config, graded structurally — the engine isn't run here.)

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