![]() ![]() I would not suggest any of this for newbie Linux users. This blocks HTTPS connections to one of Facebook's servers. You'd need to identify all the possible server addresses for each site, then write iptables rules like this: Many sites with heavy traffic loads have multiple servers listening on multiple IP addresses. If you're curious, do a search for "SSLBump".Īt one client site where I manage filtering we use iptables firewalling rules to block remote HTTPS sites. Squid 3.2 has some clever solutions for this problem, but they are not easy to implement. Putting a filter between clients and remote sites using SSL will generate repeated complaints by the client's browser that you are being subjected to a "man-in-the-middle" attack since the filter will disrupt the encrypted transaction between the browser and the server. You can write all sorts of rules that allow or deny connections to remote sites based on IP, domain name, or text in the URL. Then, by downloading the additional libraries (specified on the website) and configuring the installed services, you have the possibility to make use of your created DNS server.First, your best choice for a filter is Squid (). Also, it allows you to make use of the command prompt utility because updating the required folders can be performed only using command shortcuts. Since the application is actually a forwarding DNS server, you can use the exact method of setting up a DNS server for user systems. ![]() By accessing the Network and Sharing Center panel, you have the possibility to choose which TCP / IP protocol will be configured in order to use a specific DNS server address. Before using the application, you surely need to inform yourself on how a DNS service works and how you should configure it so you can monitor all the data you need. Specially intended for administrators, the application comes with a complete set of features that enable them to monitor and to filter the Internet activity in their network. NxFilter is a comprehensive and reliable software solution worth having when you need to track the HTTP traffic on your network. ![]()
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