iptables is a user-space utility program that allows a system administrator to configure the IP packet filter rules of the Linux kernel firewall, implemented as different Netfilter modules. The filters are organized in different tables, which contain chains of rules for how to treat network traffic packets. Different kernel modules and programs are currently used for different protocols

Dec 24, 2017 NAT with Linux and iptables - Tutorial (Introduction) iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT do not forget in addition to masquerading to authorize forwarding from your LAN. Say 192.168.0.0/24 is the LAN of your host and 192.168.1.0/24 the LAN you want to connect to the Web, then : iptables -I FORWARD 1 -s 192.168.1.0/24 ! -d 192.168.0.0/24 -j ACCEPT iptables: Sample Configuration · GitHub iptables: Sample Configuration Raw. iptables-config.sh #! /bin/sh # Abort script when command exits with error: set-e # Print each command before it is executed (only for debugging) # set … Using Iptables on Linux - How-To Geek Jul 16, 2013

iptables is a user-space utility program that allows a system administrator to configure the IP packet filter rules of the Linux kernel firewall, implemented as different Netfilter modules. The filters are organized in different tables, which contain chains of rules for how to treat network traffic packets. Different kernel modules and programs are currently used for different protocols

Dec 24, 2017

# Basic iptables/IPv4 template for an ordinary servers # # This file is in iptables-restore format. See the man pages for # iptables-restore(8) and iptables-save(8). # # The following is a set of firewall rules that should be applicable to Linux # servers running within departments. It is intended to provide a useful

iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT do not forget in addition to masquerading to authorize forwarding from your LAN. Say 192.168.0.0/24 is the LAN of your host and 192.168.1.0/24 the LAN you want to connect to the Web, then : iptables -I FORWARD 1 -s 192.168.1.0/24 ! -d 192.168.0.0/24 -j ACCEPT