python requests get访问文件提示500 - Internal Server Error

问题描述

问 题

s = requests.Session()
r = s.post('http://x.x.x.x/cgi/login.cgi', data={'name':  'ADMIN', 'pwd': 'ADMIN'},verify=False)
r = s.get(url, cookies=s.cookies,stream=True)
print(r.text)

IP是内网IP。使用IE，火狐什么的浏览器访问文件都是能下载的。就是用requests访问报错500，真心不知道为什么，求解!
下面是代码：

import requests
import ssl
from requests.packages.urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
ssl._create_default_https_context = ssl._create_unverified_context
s = requests.Session()
requests.packages.urllib3.disable_warnings()
r=s.post('https://172.30.1.141/cgi/login.cgi', data={'name': 'ADMIN', 'pwd': 'ADMIN'},verify=False)

print(r.text)
url='https://172.30.1.141/cgi/url_redirect.cgi?url_name=ikvm&url_type=jwsk'
rr=s.get(url).content
print(rr)

下面是浏览器发送得到的信息：

GET /cgi/url_redirect.cgi?url_name=ikvm&url_type=jwsk HTTP/1.1
Accept: text/html, application/xhtml+xml, */*
X-HttpWatch-RID: 23897-11061
Referer: http://172.30.1.141/cgi/url_redirect.cgi?url_name=man_ikvm
Accept-Language: zh-CN
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
Accept-Encoding: gzip, deflate
Host: 172.30.1.78
Connection: Keep-Alive
Cookie: langSetFlag=0; language=English; SID=ntnfkcvpmqfhmfnt; mainpage=remote; subpage=man_ikvm

下面是网页返回的信息：

HTTP/1.1 200 OK
Content-Length: 2016
Content-Disposition: inline; filename=launch.jnlp
Content-Type: application/x-java-jnlp-file
Date: Wed, 10 May 2017 21:01:00 GMT

解决方案

原来是header的问题，'Referer'加上就好了

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