« Posts tagged Network

Potential DNS Rebind attack detected, workaround

If you publish sites to the Internet behind pfSense device, and then try to open the Internet address you will receive the following error message: Potential DNS Rebind attack detected, see http://en.wikipedia.org/wiki/DNS_rebinding Try accessing the router by IP address instead of by hostname. This will appear on your browser. Recently I’ve hit this issue. The […]

Using your OpenVPN Road Warrior setup as a Secure Relay

Introduction If you are in a café or another place with free wireless Internet access you are under a security risk. Your traffic can be monitored, captured and analysed. Your sensitive data can be stolen or your laptop infected with malicious application. To avoid as much as possible of the above we can route all […]

Upgrade pfSense 2.0 from RC1 to RC3.

In this post we will upgrade pfSense 2.0 from RC1 to RC3. For the purpose go to this page with the news about the RC3 release: 2.0-RC3 now available! and click on the Upgrades link: http://www.pfsense.org/mirror.php?section=updates select a mirror and download the image that suits you, in my case it was: pfSense-Full-Update-2.0-RC3-i386-20110621-1542.tgz Now go to […]

pfSense 2.0 RC1 – Captive Portal with RADIUS Authentication and Vouchers

Introduction After we have setup Captive Portal and customized the pages in the previous posts. Now let’s wrap it up with the other two authentication methods. In this article we are going to configure RADIUS authentication for users, and create Vouchers for our Guests. Scenario In the previous post pfSense 2.0 RC1 – Configure Captive […]

pfSense 2.0 RC1 – Customize Captive Portal Pages and implement HTTPS

Introduction In the previous post pfSense 2.0 RC1 Configure Captive Portal for Guests with Local User Management we configured a basic Captive Portal. Now I want to customize a little the web pages that are presented to the guests. Users will send credentials, and it is better to use HTTPS, that’s why will will configure […]

pfSense 2.0 RC3 released!

Good news, today RC3 was released, is supposed to be the last RC before RTM which is very promising. If the news are right we are waiting for RTM in a month, I hope that this is a realistic estimation for the time needed. You can read the original news here 2.0-RC3 now available! Downloads […]

pfSense 2.0 RC1 Configure Captive Portal for Guests with Local User Management

Introduction More or less it is expected from a company to provide some form of Wireless Internet Access to guest, clients and partner visiting their premises. Providing them with such could pose a security risk if you use just a simple wireless access point directly connected to your LAN. It is better to isolate them […]

Routing Road Warrior’s clients through a Site-To-Site VPN with pfSense 2.0 RC1 and OpenVPN

After we looked at the different options for Road Warrior and Site to Site configuration for OpenVPN on pfSense 2.0 RC1, now it is time to combine them in one solution. Scenario You have one or more Site to Site VPNs already and at least one Road Warrior setup for your users. Initially you are […]

pfSense-On-A-Stick – 802.1Q Trunking With pfSense 2.0 RC1 and Mikrotik RouterBoard RB250G Smart Gigabit Switch with five ports and SwOS v1.5

  I’ve just got a Mikrotik RouterBoard RB250G. While searching for useful information about its capabilities found very interesting article in the MikroTik Wiki: SwOS/Router-On-A-Stick This article gave me the idea to use pfSense as a router and trunk a few VLANs. Scenario My aim is to reproduce the configuration from the above mentioned post […]