DNS and Gateway
How is the network metadata collected?
On Lumu Free you may use Lumu’s public DNS as forwarders on your internal DNS Servers. On Lumu Insights and Lumu Defender, we rely on virtual appliances and cloud collectors to cover your hybrid environments. Consult our deployment documentation for ...
Why and how long do you store the metadata?
Lumu stores your processed network metadata traffic for Playback™ capabilities, meaning we can compare and match every new indicator of compromise against stored metadata for every customer we are protecting. For Lumu Free accounts 45 days’ Incident ...
Does the use of Lumu DNS or the Virtual Appliance affect the latency of our systems?
Lumu DNS is designed for speed and reliability. We invite you to test the latency by yourself. By implementing a Virtual Appliance, you add a component that contributes to a nominal amount of latency in your internal network. The difference in ...
Does Lumu collect and process full network data?
No. Lumu uses specific techniques to facilitate collecting key elements of your network metadata. Signaling traffic in this form instead of doing a full packet capture is optimal, as it represents only a tiny fraction of the total network traffic, ...
How to Flush the DNS Cache?
DNS caching involves an Operating System (OS) or a browser capturing recently-visited IP addresses and saving them for loading pages more quickly. When DNS settings are updated, clearing the devices’ DNS cache helps you make the devices recognize the ...
Circumvention and Firewall Rules
Savvy users may try to modify their DNS settings to circumvent the environment’s default DNS settings. Most routers and firewalls will allow you to force all DNS traffic over port 53 on the router, thus requiring everyone on the network to use the ...