multiple levlve proxy route deploy

wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm

rpm -ivh ./rpmforge....

yum install nload -y

rz nginx

tar -zxvf ./nginx-1.3.0.tar.gz && cd nginx-1.3.0 && ./configure --without-http_rewrite_module && make && make install && cd /usr/local/nginx && pwd && vi ./conf/nginx.conf

tar -zxvf ./nginx-1.3.0.tar.gz && cd nginx-1.3.0 && ./configure  && make && make install && cd /usr/local/nginx && pwd && vi ./conf/nginx.conf

Traceback (most recent call last):
  File "./test_proxy.py", line 10, in <module>
    html=urllib2.urlopen(req).read()
  File "/opt/python2.6/lib/python2.6/urllib2.py", line 126, in urlopen
    return _opener.open(url, data, timeout)
  File "/opt/python2.6/lib/python2.6/urllib2.py", line 391, in open
    response = self._open(req, data)
  File "/opt/python2.6/lib/python2.6/urllib2.py", line 409, in _open
    '_open', req)
  File "/opt/python2.6/lib/python2.6/urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "/opt/python2.6/lib/python2.6/urllib2.py", line 1161, in http_open
    return self.do_open(httplib.HTTPConnection, req)
  File "/opt/python2.6/lib/python2.6/urllib2.py", line 1136, in do_open
    raise URLError(err)
urllib2.URLError: <urlopen error [Errno 113] No route to host>

service iptables stop

server {
    resolver 202.106.0.20;
    resolver_timeout 5s;

    listen 0.0.0.0:80;

    location / {
        proxy_pass $scheme://$host$request_uri;
        proxy_set_header Host $http_host;

        proxy_buffers 256 4k;
        proxy_max_temp_file_size 0;

        proxy_connect_timeout 30;

        proxy_cache_valid 200 302 10m;
        proxy_cache_valid 301 1h;
        proxy_cache_valid any 1m;
    }

}}

./sbin/nginx -t

./sbin/nginx -c ./conf/nginx.conf

ps -ef|grep nginx

#!/usr/bin/env python
#encoding=utf-8
import urllib2
while True:
        proxy_handler=urllib2.ProxyHandler({'http' : 'http://127.0.0.1:80'})
        opener = urllib2.build_opener(proxy_handler)
        opener.addheaders = [('User-agent', 'Mozilla/5.0')]
        urllib2.install_opener(opener)
        url="http://www.baidu.com"
        req=urllib2.Request(url)
        html=urllib2.urlopen(req).read()
        print html
        import time
        time.sleep(0.1)