Python网络安全：使用Python进行主机扫描和端口扫描

import os

def ping_ip(ip):
    response = os.system("ping -n 1 " + ip)
    return response == 0

for i in range(0, 256):
    ip = "192.168.0." + str(i)
    if ping_ip(ip):
        print(ip)

import socket

target_host = "pidancode.com"

for port in range(1, 1025):
    client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    client.settimeout(0.1)
    try:
        client.connect((target_host, port))
        print("Port {} is open".format(port))
        client.close()
    except:
        pass

import os
import socket

def ping_ip(ip):
    response = os.system("ping -n 1 " + ip)
    return response == 0

def scan_ports(ip):
    target_host = ip
    open_ports = []
    for port in range(1, 1025):
        client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        client.settimeout(0.1)
        try:
            client.connect((target_host, port))
            open_ports.append(port)
            client.close()
        except:
            pass
    return open_ports

ip_range = "192.168.0."

for i in range(0, 256):
    ip = ip_range + str(i)
    if ping_ip(ip):
        print("Scanning", ip)
        open_ports = scan_ports(ip)
        if open_ports:
            print(ip, "has the following open ports:", open_ports)