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What is a solid iptables configuration for my desktop?

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linux-howto

http://unix.stackexchange.com – On my desktop, I want to configure iptables pretty strictly. I see no reason why I need to allow anything except for internet traffic that I initiated. And maybe even that could be limited to only a few ports. What are the basic rules that can close off my desktop? I only need: To browse the internet Download email Any recommended set of rules? (HowTos)