Fast proxychecker on golang with zmap

Setup:

git clone https://github.com/0x204/proxychecker
cd proxychecker
apt install golang -y
go mod init go.mod
go mod tidy
go build -o proxy-scanner
ulimit -n 999999
./proxy-scanner

Usage:

zmap -p 8080 | ./proxy-scanner -p 8080
or
screen -dm zmap -p 8080 | ./proxy-scanner -p 8080

Popular ports

8080    
3128  
80     
8888   
1080  
8081  
8000   
3129   

flags

-p      port 
-o      output file