![]() In essence, NxFilter is a forwarding DNS server with a filter function. NxFilter is a freeware DNS filter that can compete with commercial products in terms of functionality and performance. This limitation can be solved with the help of a DNS filter, which can monitor all the traffic, regardless of the protocol used to send or receive data. ![]() However, latency is not the only problem: Proxy servers primarily specialize in filtering HTTP connections. These latency problems grow with the number of users. The use of such filters, often employing the Squid proxy server and similar tools, leads in practice to serious latency problems on the network because the proxy server analyzes and filters the web traffic and thus becomes a bottleneck. If you can't install it still then send me an email.Web filters that are based on the HTTP proxy server principle are part of the standard toolkit for protecting corporate networks. I think in your home-router you can set NxFilter as your DNS easily. To read something about DHCP and DNS setup. If you have difficulties in client setup then I recommend you Maybe some other applications as long as they use DNS. Of course you can block https sites as well. You can have authentication with IP or password.Īnd you also can integrate it into Active Directory. Then you get the login prompt in your browser.Īnd the initial password for admin is 'admin'. You need to have Java 1.6 or higher installed first.Īfter you start NxFilter then click the icon to web-admin. One for starting NxFilter one for web-admin. Just click the exe file and you get several icons. There's a Windows installer for people not familiar with Linux.Īnd you can make it Windows service as well. If you are not familiar with Linux environment then you can try windows version of NxFilter. I thought I made it very easy to install NxFilter.īut you said that you have some difficulties in using it.Ĭan you tell me on what part you have the problem? This is Jinhee the developer of NxFilter. I cannot figure out from your request whom you're trying to filter, but a better method would be enforcing good behavior. 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. First, your best choice for a filter is Squid ().
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