knock knock
Based on Post
Download
If your CPU is modern architecture, you can use amd64-v3, or you can choose amd64-v1.
Usage
kk ip:port
For example:
PS C:\knockknock> ./kk 9.9.9.9:443
Testing 9.9.9.9:443
Seems OK.
PS C:\knockknock> ./kk 8.8.8.8:443
Testing 8.8.8.8:443
Seems blocked.
Warning
It may not stable if you test multi times on the same IP.
