端口转发 python
时间: 2023-10-15 14:28:18 浏览: 44
端口转发是一种网络工具,用于将来自一个端口的数据传输到另一个端口。在Python中,可以使用socket模块来实现端口转发。下面是一个简单的示例代码:
```python
import socket
def forward(source_host, source_port, target_host, target_port):
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as source_socket:
source_socket.bind((source_host, source_port))
source_socket.listen(1)
print(f'Listening on {source_host}:{source_port}')
while True:
client_socket, client_address = source_socket.accept()
print(f'Accepted connection from {client_address}')
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as target_socket:
target_socket.connect((target_host, target_port))
print(f'Connected to target {target_host}:{target_port}')
while True:
data = client_socket.recv(1024)
if not data:
break
target_socket.sendall(data)
print(f'Sent {len(data)} bytes to target')
client_socket.close()
print(f'Closed connection from {client_address}')
```
这段代码定义了一个名为`forward`的函数,它接受四个参数:源主机、源端口、目标主机和目标端口。函数使用socket模块创建一个监听套接字,并在循环中接受来自客户端的连接。一旦有连接,它将创建一个与目标主机和端口的套接字连接,并在循环中将来自客户端的数据转发到目标套接字。如果客户端关闭连接或发生错误,它将关闭连接并重新开始监听。
另外,你还可以通过参考提供的链接获取一个基于Python的端口转发工具的示例代码。这个工具使用了Python 3和QT5来实现,并具有托盘功能。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [python如何开发一个端口转发工具](https://blog.csdn.net/zhangzhechun/article/details/129281476)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *2* [python3 QT5 端口转发工具](https://download.csdn.net/download/firseve/82748677)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
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