Separating the actual policy you define and the implementation in this way should let you change what hardware is running your firewall without having to redefine your policy for that platform. It can compile the filtering policy you define into many specifications, including iptables and various languages used by Cisco and Linksys routers. You can set up a buffer zone in front of the portal web server to prevent unauthorized access to the portal web.
Create and deploy policy from Firewall Builder. Firewall Builder (fwbuilder) is a graphical application that can help you to configure IP traffic filtering. I could make a copy of each member firewall (linux-test-1 and linux-test-2), set platform and host OS in the copy to PF and OpenBSD and then create new cluster object. A INPUT -p tcp -m state -state NEW -dport ssh -j ACCEPT. Lets see how much effort it is going to take to convert this configuration to entirely different firewall platform - PF on OpenBSD. Configure basic settings via web interfaceģ. Since we are most likely adding these rules to our server using SSH, it would be a good idea to start with it.
Firewall builder web server install#
Firewall builder install news policy to it from UI, with button click. SVEASOFT added lots of interesting features like IPSEC and PPTP, Dynamin DNS (DynDNS, ZoneEdit and others). The device is running Linux with IPTABLES firewall. I have upgraded it with SVEASOFT Firmware and configured my firewall using Firewall Builder (you'll need fresh beta version). When I convert the same setup from Linux to OpenBSD, I am going to show how fwbuilder can generate not only firewall configuration, but also the script that manages CARP and pfsync interfaces. Configuration of the HA agent should be handled either manually or using specialized configuration system such as pacemaker. Yesterday my dream of finding small, cheap, quiet consumer firewall device which aslo can work as 802.11g access point (with WPA) came true. Firewall Builder generates iptables script for both machines.
I liked convenience of small consumer "DSL Router" devices (which combine router, firewall, switch and wireless access point) but their firewall was too primitive for my needs. Until recently I was running OpenBSD on an old laptop as my home firewall. Firewall Builder (also known as fwbuilder) is a GUI firewall configuration and management tool that supports iptables (netfilter), ipfilter, pf, ipfw, Cisco PIX (FWSM, ASA) and Cisco routers extended access lists.
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