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Editorial Team
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Asked: 2026-05-25T13:36:54+00:00

I’ve never used iptables, and the documentation online seems a bit opaque. I’d like

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I’ve never used iptables, and the documentation online seems a bit opaque.

I’d like to block all requests to port 8000 on my server except those coming from a specific IP address. How do I do that using iptables?

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  1. Editorial Team

    This question should be on Server Fault. Nevertheless, the following should do the trick, assuming you’re talking about TCP and the IP you want to allow is 1.2.3.4:

    iptables -A INPUT -p tcp --dport 8000 -s 1.2.3.4 -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP
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