How to see iptables rules In this case, to demonstrate the capabilities of iptables uses the Debian operating system 10.2. For the iptables command requires that the user has been granted the privileges of supportwas using the sudo command. In this regard, all commands will look like sudo iptables [options] or sudo ip6tables [options] for IPv6.

It writes your rules to /etc/sysconfig/iptables; if you (re)start iptables after you do this, your rules should be there :) /sbin/service iptables save share | improve this answer | follow | answered Sep 22 '10 at 11:02. wzzrd wzzrd. 9,773 2 2 gold badges 28 28 silver badges 45 45 bronze badges. IptablesHowTo - Community Help Wiki Apr 11, 2020 iptables Syntax | iptables: The Linux Firewall This chapter covers the iptables firewall administration program used to build a Netfilter firewall. For those of you who are familiar with or accustomed to the older ipfwadm and ipchains programs used with the IPFW technology, iptables will look very similar to those programs. However, it is much more feature-rich and flexible, and it is very different on subtle levels. linux - What is the difference between OUTPUT and FORWARD OUTPUT is for packets that are emitted by the host. Their destination is usually another host, but can be the same host via the loopback interface, so not all packets that go through OUTPUT are in fact outgoing. FORWARD is for packets that are neither emitted by the host nor directed to the host.

How To List and Delete Iptables Firewall Rules | DigitalOcean

Jul 30, 2011 iptables: The Default Linux Firewall - Open Source For You

Managing the Iptables Firewall

linux - How do I export and restore my iptables settings It writes your rules to /etc/sysconfig/iptables; if you (re)start iptables after you do this, your rules should be there :) /sbin/service iptables save share | improve this answer | follow | answered Sep 22 '10 at 11:02. wzzrd wzzrd. 9,773 2 2 gold badges 28 28 silver badges 45 45 bronze badges. IptablesHowTo - Community Help Wiki