sinkholing
noun [ U ] computing specialized uk/ˈsɪŋk.həʊ.lɪŋ/ us/ˈsɪŋk.hoʊ.lɪŋ/
（互联网）沉洞
the activity of directing internet activity to a different part of a network or server, so that it cannot damage the part it is being aimed at
Sinkholing is a powerful technique for neutralizing botnets. 沉洞是一种威力强大的技术，可以用来中和僵尸网络。
DNS sinkholing has a number of limitations. DNS沉洞有很多限制。
- More examples
- Sinkholing is an important tactic for defending against botnets and DoS attacks.
- A malware with its own hardcoded DNS server and IP address cannot be detected by the DNS sinkholing mechanism.
- Sinkholing is a technique for manipulating data flow in a network.