Allright I'll try that. But I don't think I can afford to buy it at the moment that's why I was looking for free software.
I'm just a student so $79 is an amount that buys me lunch for nearly 2 weeks.

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I am new to proxy scanning and checking so please tell me everything I could improve as I'm still learning!
Software I use at the moment:
Scanners:nmap, ProxyFire, my own scripts
Checkers: Charon, GPN