"The ultimate firewall" revisited

Remember the Ultimate firewall of Marcus J. Ranum? He build a new version, inspired by powerpoint icons from firewall vendor presentations. So true. Well kids, don’t try this at your DMZ or backyard

The Ultimate Firewall (taken from ranum.com)

Can you see the open TCP port 80 in the middle…

Port 80 exploited (taken from ranum.com)
…and what happens with port 80? Burned down after 10 minutes under fire.

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„The ultimate firewall“ revisited

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