LinuxQuestions.org - Shorewall Blacklisting help
Shorewall 5 on EL7 - AN!Wiki This covers setup and maintenance of Shorewall 5 on Enterprise Linux 7.x (RHEL, CentOS and derivatives).. Note: A previous version of this tutorial for EL6 and Shorewall 4.x is: "Shorewall on RPM-based Servers" ; This tutorial will introduce the basic concepts of firewalling by taking an Internet connection and sharing it with a local subnetwork of computers. shorewall-notrack(5): shorewall notrack file - Linux man page DEST - [interface|address-list] where interface is the name of a network interface and address-list is a comma-separated list of addresses (may contain exclusion - see shorewall-exclusion [1] (5)). If an interface is given: • It must be up and configured with an IPv4 address when Shorewall … shorewall-masq(5) - Linux man page
Shorewall events were introduced in Shorewall 4.5.19 and provide a high-level interface to the Netfilter recent match capability. An event is actually a list of (IP address, timestamp) pairs, and can be tested in a number of different ways:
Jul 12, 2013 · Here is an example /etc/shorewall/zones file: fw firewall net ipv4 dmz ipv4 loc ipv4 cust ipv4 vpn_a ipsec mode=tunnel mss=1024 vpn_b ipsec mode=tunnel mss=1024 vpn_c ipsec mode=tunnel mss=1024 Here is an example /etc/shorewall/hosts file describing the VPN ranges from the diagram: vpn_a eth0:10.1.100.0/24 ipsec vpn_b eth0:10.1.200.0/24 ipsec Dec 19, 2012 · Save and close the file. In this example I’ve defined the firewall’s network interfaces (eth0) to Shorewall. Where, net – net is zone for eth0 interface. Must match the name of a zone declared in /etc/shorewall/zones. Download the latest shorewall-x.y.lrp package fro Tom's download area and rename it shorwall.lrp. Download either the Two-interfaces Masquerading Firewall or the Three-interfaces Masquerading Firewall with DMZ depending on your own situation. They will provide you with default setup for the interfaces, masq, policy, rules and zones files that Jan 26, 2017 · While shorewall is still solid, CentOS 7 has a built-in firewall called FirewallD that does 90% of what CSF does, without having to install custom software. Under the covers it's just modifying IPtables, just like most other firewall software.
The interfaces file serves to define the firewall's network interfaces to Shorewall. The order of entries in this file is not significant in determining zone composition. Beginning with Shorewall 4.5.3, the interfaces file supports two different formats:
shorewall-interfaces • man page - helpmanual The interfaces file serves to define the firewall's network interfaces to Shorewall. The order of entries in this file is not significant in determining zone composition. Beginning with Shorewall 4.5.3, the interfaces file supports two different formats: shorewall.conf: Shorewall global configuration file If you do not enable martian logging for all interfaces, you may still enable it for individual interfaces using the logmartians interface option in m[blue]shorewall-interfacesm[][21](5). The value Keep causes Shorewall to ignore the option. If the option is set to Yes, then martians are logged on all interfaces. Debian / Ubuntu Linux: Install and Configure Shoreline