FreeBSD as a Gateway/Firewall with IPFilter
The original guide is found at www.derrickl.net/guides. General Information The purpose of this guide is to provide the reader with enough knowledge to configure FreeBSD with a basic NAT/Firewall...
View ArticleTalking to a Cisco PIX Firewall
The original guide is found at http://thoughtstorm.net/howto/bsdtopix. General Information Okay, I wrestled this for a few days; there is no real documentation on making a xBSD-based firewall talk the...
View ArticleIPFW Firewall Explained
General Information This guide helps you setup a simple firewall for any FreeBSD version (recent) that can load the firewall module. Introduction Why have protection? Computers on the Internet run the...
View ArticleFail2ban with PF on OpenBSD 5.2
This explains how to quickly setup the amazing fail2ban, which monitors your log files for activity you specify and performs certain actions once a threshold is reached. Simplest case: Monitor authlog...
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A wireless access point / Hotspot using OpenBSD
This Guide explains how you would setup a wireless hotspot using OpenBSD and PF so you can provide internet access to wireless clients such as laptops or phones. Introduction and Requirements OpenBSD...
View ArticleA wireless trap using OpenBSD – reloaded
Build a OpenBSD wireless access point that redirects any client request for any website to a website of your own design. With a little imagination you could adapt this technique for more nefarious...
View ArticleBuilding a captive portal with OpenBSD
There aren’t (m)any lightweight captive portal solutions out there for us, except a few clumsy heavy or badly maintained projects together with heir professional counterparts in routers better than...
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