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Ibrahim S @ibrahimsi

Firewall Rules And Priorities Explained

Firewall Rules Prioritization: Inbound traffic prioritizes NAT rules, while outbound traffic follows network rules, then application rules.

๐—”๐˜‡๐˜‚๐—ฟ๐—ฒ ๐—™๐—ถ๐—ฟ๐—ฒ๐˜„๐—ฎ๐—น๐—น
๐Ÿ‘‰ It can act as a threat intelligence service
๐Ÿ‘‰ Rules / Policies defined manually
๐Ÿ‘‰ Cloud-managed service
๐Ÿ‘‰ Decision โ€” Allow / Deny
๐Ÿ‘‰ Inbound / Ingress / Incoming โ€” Allow / Deny
๐Ÿ‘‰ Outbound / Eggress / Outgoing โ€” Allow / Deny

๐—ง๐—ต๐—ฟ๐—ฒ๐—ฒ ๐—ธ๐—ถ๐—ป๐—ฑ๐˜€ ๐—ผ๐—ณ ๐—ฟ๐˜‚๐—น๐—ฒ๐˜€
1๏ธโƒฃ Application rules โ€” Outbound traffic & FQDN
โ‡ Inbound traffic โ€” This traffic can come from the internet or other networks.
โ‡ Outbound traffic โ€” From your network users to access websites and other resources.
2๏ธโƒฃ Network rules โ€” Inbound / Outbound traffic โ€” Source / Destination will be desired
3๏ธโƒฃ NAT / DNAT rules โ€” Applicable...