Limit users to visit only specific websites with Socket Sentinel Pro v1.4

We will use Socket Sentinel Pro to set a pre-defined list of websites that the user will be able to visit and all the other websites that the user will try to visit, will be blocked automatically.

NoVirusThanks Socket Sentinel Pro is an advanced, yet user-friendly, bi-directional TCP traffic filtering software application which allows you to add custom RegEx (Regular Expression) filters. Presets for filtering include: HTTP header information, POST and GET data, Domain Names or even filter for *ANY* data passed over any connection. Read more…

1) Add whitelisted domains

Open Socket Sentinel Pro and browse to:

Rules -> Domains -> Whitelist

As you can see from this screenshot:

There is a list of domains, that will be allowed to be visited. All unknown domains, and so that are not present in this list, will be automatically blocked. To add a new domain, right-click with the mouse and click on “Add” button.

2) Enable needed option

Now always on Socket Sentinel Pro, browse to:

Settings -> General

And enable the option “Block all unknown websites”, as shown in this image:

3) Testing

All the needed settings are now set correctly, and you can test Socket Sentinel Pro. If you try to visit with a web browser an unknown website, for example bing.com, the connection will be blocked and the user will be unable to visit the (unknown) website:

To remove the alert popup window, browse to:

Settings -> Popup

Uncheck the option “Show a popup window when a connection is blocked”:

On the “Events” TAB, we can see the blocked websites:

This is a good method to lock the user to visit only our pre-defined list of websites, for example, if the user is at work we can make sure to allow his navigation only to work-related websites, or we can make sure that our childrens do not browse malicious or pornographic websites. This method can be used to block unknown websites, and so block browsing of possible dangerous and infected websites.

Read more about Socket Sentinel Pro.