NxFilter Help You Monitor Internet Use On Your Network With Relative Ease. In Addition, The Software Will Help You Block Malware And Botnet Using DNS Packet Inspection. Although Many New Routers Incorporate Firewalls And Other Filters To Protect Against Online Attacks, The Filters Generally Offer Very Limited Configuration. NxFilter Filters Both Outgoing And Incoming Network Traffic And Provides A Complete Log With Web Browsing History.