No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>

Reminder

To have a better experience, please upgrade your IE browser.

upgrade

The principle that the IP address of USG firewall scanning attack prevention

Publication Date:  2012-09-12 Views:  395 Downloads:  0
Issue Description
Currently, the computer that infects worm virus send a large number of UDP、ICMP or TCP to the other computer automatically to confirm which target system is alive actually and connects to the internet, and then launchs cyber attacks 
Alarm Information
Null
Handling Process
After configuring IP address scanning attack prevention, the device detects the received TCP, UDP, ICMP. If the source IP address of the received message is same, but the destination IP address is different, then add one count to the source IP exception count, it is considered the source IP user is scanning IP address attack when the abnormal frequency exceeds the predefined limen number  
Root Cause
Null
Suggestions
Null

END