Wireshark不显示带有Python SSL套接字的SSL数据包

Question

我使用Python SSL套接字echo测试自签名证书博客测试了一个简单的SSL套接字连接。我生成了一个自签名证书，并使用上面的Python代码进行了尝试。

一切都如描述的那样工作，但问题是，当我使用Wireshark监视网络数据包时，我看不到任何SSL通信量。我所看到的只是普通的TCP数据包，但我希望看到SSL协议被使用。我是不是漏掉了什么？

为了完整起见，我添加了以下代码：

import socket, ssl, pprint

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Require a certificate from the server. We used a self-signed certificate
# so here ca_certs must be the server certificate itself.
ssl_sock = ssl.wrap_socket(s,
                           ca_certs="server.crt",
                           cert_reqs=ssl.CERT_REQUIRED)

ssl_sock.connect(('localhost', 10023))

print repr(ssl_sock.getpeername())
print ssl_sock.cipher()
print pprint.pformat(ssl_sock.getpeercert())

ssl_sock.write("boo!")

if False: # from the Python 2.7.3 docs
    # Set a simple HTTP request -- use httplib in actual code.
    ssl_sock.write("""GET / HTTP/1.0\r
    Host: www.verisign.com\n\n""")

    # Read a chunk of data.  Will not necessarily
    # read all the data returned by the server.
    data = ssl_sock.read()

    # note that closing the SSLSocket will also close the underlying socket
    ssl_sock.close()

import socket, ssl

bindsocket = socket.socket()
bindsocket.bind(('', 10023))
bindsocket.listen(5)

def do_something(connstream, data):
    print "do_something:", data
    return False

def deal_with_client(connstream):
    data = connstream.read()
    while data:
        if not do_something(connstream, data):
            break
        data = connstream.read()

while True:
    newsocket, fromaddr = bindsocket.accept()
    connstream = ssl.wrap_socket(newsocket,
                                 server_side=True,
                                 certfile="server.crt",
                                 keyfile="server.key")
    try:
        deal_with_client(connstream)
    finally:
        connstream.shutdown(socket.SHUT_RDWR)
        connstream.close()

Wireshark截图：

Answer 1

您看不到SSL/TLS的原因是因为您使用的端口与标准的443不同。这就是Wireshark无法自动检测协议的原因。您有两种选择：

• 将流量解码为SSL:

分析>解码为>传输>SSL>应用

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