Sunday, 1 April 2018

Captive portal software

I was doing some research on the different types of captive portal software available and here is a list of open source captive portal software as well as a few closed source (paid) software. A few of these software also have additional network access control features apart from just simple redirects. I hope to maintain this list and update it in the future when new software or products become available. 

An example of a captive portal from Sophos
What is a captive portal software? In short it is a web page which is displayed to newly connected users before they are granted broader access to network resources.

Captive portals are commonly used to present a landing or log-in page which may require authentication, payment, acceptance of EULA/accepted use policies, or other valid credentials that both the host and user agree to adhere by.


Captive portals are used for a broad range of mobile and pedestrian broadband services - including cable and commercially provided Wi-Fi and home hotspots. A captive portal can also be used to provide access to enterprise or residential wired networks, such as apartment houses, hotel rooms, and business centers.

Configuring Captive Portal is not a straight forward answer and it very much depends on the product you are using but the general idea of the network topology may still be the same throughout regardless of the product/software used. I don't intend to cover configuring captive portal in this post but here is a great tutorial from PaloAltoNetworks.com on configuring captive portal in v-wire (with RADIUS authentication).

Configuring captive portal using pfsense will be the topic of a future post.

Anyway listed here are some open source captive portal software and network access control (NAC) systems.

Open Source/Free

Closed Source/Paid

Additional References:
Wippler, Andrew J. (2017-04-07). "Captive Portal Overview". Andrew Wippler's Sketchpad. 
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