This script scans ports on your own computer for learning purposes.
import socket
target = "127.0.0.1"
ports = [21, 22, 80, 443]
for port in ports:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
result = s.connect_ex((target, port))
if result == 0:
print(f"Port {port} is open")
s.close()
Understanding open ports helps you secure your own system.
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