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2 docs tagged with "iptables"

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Docker Networking Under the Hood

Complete guide to Docker networking — veth pairs, docker0 bridge mechanics, iptables SNAT/DNAT port forwarding, user-defined bridge DNS resolution, and network drivers.

Proxies, Firewalls, NAT & VPNs

Deep dive into network middleboxes, forward and reverse proxies, Linux Netfilter hooks, conntrack state machine, WireGuard vs IPsec VPN encapsulation, and MSS clamping.