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iptables

Linux iptables firewall utility for network packet filtering

Networkingiptables NAT Rule Check: Why -C Command Fails

Learn why iptables -C command fails to recognize NAT rules and how to properly verify iptables NAT rules using the correct syntax with -t nat option.

1 answer• 2 views
NetworkingIptables: Drop wg0 Packets Except UDP 51821 (ACCEPT vs Negate)

Master iptables rules for WireGuard wg0: drop all incoming packets except UDP port 51821. Why ACCEPT+DROP beats single negated rule. Avoid pitfalls like negation logic, rule ordering, connection tracking, INPUT vs FORWARD chains.

1 answer• 1 view
NetworkingHow to Setup RDP via SSH Tunnel VPS Raspberry Pi

Step-by-step guide to set up RDP access to home PC (192.168.0.20:3389) through VPS proxy (200.1.1.1) using SSH tunnel on Raspberry Pi. Fix iptables, AllowTcpForwarding, GatewayPorts, and verify forwarding.

1 answer• 1 view
NetworkingMikroTik: Route LAN Traffic to XRAY TProxy (Transparent)

Step-by-step guide to route LAN traffic via MikroTik to an XRAY transparent proxy using TProxy, mangle rules, policy routing and iptables for correct routing.

1 answer• 1 view