如何使用python进行RST丢包？

import socket
import struct

# 创建原始套接字
raw_socket = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_RAW)

# 设置目标IP和端口
target_ip = "目标IP地址"
target_port = 目标端口号

# 构建IP头部
ip_header = struct.pack("!BBHHHBBH4s4s", 69, 0, 40, 12345, 0, 64, socket.IPPROTO_TCP, 0, socket.inet_aton("源IP地址"), socket.inet_aton(target_ip))

# 构建TCP头部
tcp_header = struct.pack("!HHLLBBHHH", 12345, target_port, 0, 0, 5, 0, 0, 0, 0)

# 计算校验和
pseudo_header = struct.pack("!4s4sBBH", socket.inet_aton("源IP地址"), socket.inet_aton(target_ip), 0, socket.IPPROTO_TCP, len(tcp_header))
checksum = 0

for i in range(0, len(pseudo_header), 2):
    word = (pseudo_header[i] << 8) + pseudo_header[i+1]
    checksum += word

while checksum >> 16:
    checksum = (checksum & 0xFFFF) + (checksum >> 16)

checksum = ~checksum & 0xFFFF

# 添加校验和到TCP头部
tcp_header = tcp_header[:16] + struct.pack("!H", checksum) + tcp_header[18:]

# 构建RST数据包
packet = ip_header + tcp_header

# 发送RST数据包
raw_socket.sendto(packet, (target_ip, target_port))

# 关闭原始套接字
raw_socket.close()