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Technology@lemmy.worldEnglish · 14 days ago

Linux Firewalls: How to Actually Secure a Cloud Server (iptables, nftables, firewalld, ufw)

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Linux Firewalls: How to Actually Secure a Cloud Server (iptables, nftables, firewalld, ufw)

blog.hofstede.it

lemmydividebyzero@reddthat.com to

Technology@lemmy.worldEnglish · 14 days ago

cross-posted to:
[email protected]

A practical guide to the four major Linux firewall technologies - iptables, nftables, firewalld, and ufw. Covers real-world cloud server hardening with concrete examples, from locking down SSH to b...

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iptables and nftables are just different frontends to the netfilter kernel module.

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