I\'m having a problem that i can\'t find it by google. I\'m researching abbout D

Question

I'm having a problem that i can't find it by google. I'm researching abbout DDoS detecting method now. As we can see that nowadays people often analyze networking traffic from router by a computer inside LAN.

But i see that there're some companies which have services for traffic monitoring and packet information capturing. I wonder how they can do it. Do they have to configure their own customer's router for the information or do something elso.

Also, can i config a router for directing its traffic to a cloud outside its network?

Thanks in advance :-)

Explanation / Answer

Most enterprise-sized routers/firewalls include Intrusion Detection (or Prevention) Systems (IDS or IPS) which can notice and block certain kinds of network attacks. Most of these devices also regularly download new attack pattern definitions from the manufacturer, much like your PC's antivirus does. Some manufacturers also offer a service where they'll remotely manage your firewall for you, if you don't have a local person with those skills. Your traffic doesn't need to be sent to them - they just "call in" to your local device and set it up to do the work within your own network.

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