The iptables-persistent looks for the files rules.v4 and rules.v6 under /etc/iptables. These are just a few simple commands you can use with iptables, which is capable of much more. Read on to check on some of the other options available for more advanced control over iptable rules.
Oct 30, 2019 Easy IPTables Configuration and Examples on Ubuntu 16.04 Jan 29, 2018 Chapter 14. iptables firewall #!/bin/bash # first cleanup everything iptables -t filter -F iptables -t filter -X iptables -t nat -F iptables -t nat -X # default drop iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT DROP # allow loopback device iptables -A INPUT -i lo -j ACCEPT iptables -A OUTPUT -o lo -j ACCEPT # allow ssh over eth0 from outside to system Iptables - MineOS Wiki
Before you redirect traffic from one port to another port, or another address, you need to know three things: which port the packets arrive at, what protocol is used, and where you want to redirect them.
iptables -t nat -I PREROUTING -p tcp --dport 81 -j DNAT --to 192.168.1.2:80 iptables -I FORWARD -p tcp -d 192.168.1.2 --dport 80 -j ACCEPT The down side with this is that it's not as obvious as the other methods but you can use a program called Firewall Builder to make this simpler. Forward a TCP port to another IP or port using NAT with
How to Configure IPTables in Linux step by step Guide 2020
[SOLVED] IPTABLES port forwarding not working Aug 19, 2016 KVM/libvirt: Forward Ports to guests with Iptables Nov 26, 2017 kubectl Port-Forward - Kubernetes Port Forwarding Guide The port-forward command establishes a tunnel from the target pod to your localhost. The command requires you to define the type or name of the resource as well as local and remote port numbers: kubectl port-forward TYPE/NAME [options] LOCAL_PORT:REMOTE_PORT. If several pods match the type/name criteria, a random one is selected by default. How to Forward Ports to a Virtual Machine and Use It as a