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<p>我正在使用Python和requests抓取一些内部页面。我已关闭SSL验证和警告。</p>
<pre><code>requests.packages.urllib3.disable_warnings()
page = requests.get(url, verify=False)
</code></pre>
<p>在某些服务器上,我收到一个无法通过的SSL错误。</p>
<pre><code>Traceback (most recent call last):
File "scraper.py", line 6, in <module>
page = requests.get(url, verify=False)
File "/cygdrive/c/Users/jfeocco/VirtualEnv/scraping/lib/python3.4/site-packages/requests/api.py", line 71, in get
return request('get', url, params=params, **kwargs)
File "/cygdrive/c/Users/jfeocco/VirtualEnv/scraping/lib/python3.4/site-packages/requests/api.py", line 57, in request
return session.request(method=method, url=url, **kwargs)
File "/cygdrive/c/Users/jfeocco/VirtualEnv/scraping/lib/python3.4/site-packages/requests/sessions.py", line 475, in request
resp = self.send(prep, **send_kwargs)
File "/cygdrive/c/Users/jfeocco/VirtualEnv/scraping/lib/python3.4/site-packages/requests/sessions.py", line 585, in send
r = adapter.send(request, **kwargs)
File "/cygdrive/c/Users/jfeocco/VirtualEnv/scraping/lib/python3.4/site-packages/requests/adapters.py", line 477, in send
raise SSLError(e, request=request)
requests.exceptions.SSLError: [SSL: SSL_NEGATIVE_LENGTH] dh key too small (_ssl.c:600)
</code></pre>
<p>这在Cygwin内部/外部、Windows和OSX中都会发生。我的研究暗示服务器上的OpenSSL已经过时。我正在寻找一个修复客户端理想。</p>
<p>编辑:
我用密码集解决了这个问题</p>
<pre><code>import requests
requests.packages.urllib3.util.ssl_.DEFAULT_CIPHERS += 'HIGH:!DH:!aNULL'
try:
requests.packages.urllib3.contrib.pyopenssl.DEFAULT_SSL_CIPHER_LIST += 'HIGH:!DH:!aNULL'
except AttributeError:
# no pyopenssl support used / needed / available
pass
page = requests.get(url, verify=False)
</code></pre>