varnish3安装及配置

#wget   http://repo.varnish-cache.org/source/varnish-3.0.2.tar.gz#tar -xvf varnish-3.0.2.tar.gz #cd varnish-3.0.2 
#./configure --prefix=/usr/local/varnish #make &&make install 

#vim /usr/local/varnish/etc/varnish/vcl.conf   

#backend vhost  backend  192.168.40.85 {  .host = "192.168.40.85";  .port = "80";  }  #acl  acl purge {    "localhost";    "127.0.0.1";    "192.168.0.0"/24;  }  sub vcl_recv {          if (req.http.Accept-Encoding) {              if (req.url ~ "\.(jpg|png|gif|jpeg|flv)$" ) {                  remove req.http.Accept-Encoding;                  remove req.http.Cookie;              } else if (req.http.Accept-Encoding ~ "gzip") {                  set req.http.Accept-Encoding = "gzip";              } else if (req.http.Accept-Encoding ~ "deflate") {                  set req.http.Accept-Encoding = "deflate";              } else {                  remove req.http.Accept-Encoding;              }          }             if (req.http.host ~  "(.*)youdomain.com") {                         set req.backend = 192.168.40.85;                   }              else {                          error 404 "This website is maintaining or not exist！";                  }    if (req.request == "PURGE") {       if (!client.ip ~purge) {         error 405 "Not Allowed";     }  #.dd.....     return(lookup);    }  #...GET...url...jpg,png,gif. ..cookie    if (req.request == "GET"&& req.url ~ "\.(png|gif|jpeg|jpg|ico|swf|css|js|html|htm|gz|tgz|bz2|tbz|mp3|ogg|mp4|flv|f4v|pdf)$") {          unset req.http.cookie;    }  #..GET...url.php....cache....    if (req.request =="GET"&&req.url ~ "\.php($|\?)"){          return (pass);    }  #     if (req.restarts == 0) {          if (req.http.x-forwarded-for) {              set req.http.X-Forwarded-For =                  req.http.X-Forwarded-For + ", " + client.ip;          } else {              set req.http.X-Forwarded-For = client.ip;          }  #   }  #........pipe..      if (req.request != "GET" &&        req.request != "HEAD" &&        req.request != "PUT" &&        req.request != "POST" &&        req.request != "TRACE" &&        req.request != "OPTIONS" &&        req.request != "DELETE") {          return (pipe);      }  #..GET .HEAD.....      if (req.request != "GET" && req.request != "HEAD") {          return (pass);      }      if (req.http.Authorization) {          return (pass);      }      return (lookup);  }  #..url+host hash......  sub vcl_hash {      hash_data(req.url);      if (req.http.host) {          hash_data(req.http.host);      } else {          hash_data(server.ip);      }      return (hash);  }  # .....purge .....  sub vcl_hit {     if (req.request == "PURGE") {         set obj.ttl = 0s;         error 200 "Purged";      }      return (deliver);  }  sub vcl_fetch {            if (req.url ~ "\.(jpeg|jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg|ico|swf|flv|dmg|js|css|html|htm)$") {                     set beresp.ttl = 2d;                     set beresp.http.expires = beresp.ttl;                     set beresp.http.Cache-Control = "max-age=172800";                     unset beresp.http.set-cookie;            }            if (req.url ~ "\.(dmg|js|css|html|htm)$") {                     set beresp.do_gzip = true;            }            if (beresp.status == 503) {                           set beresp.saintmode = 15s;            }  }  sub vcl_deliver {          set resp.http.x-hits = obj.hits ;          if (obj.hits > 0) {                  set resp.http.X-Cache = "HIT You!";          } else {                  set resp.http.X-Cache = "MISS Me!";          }  }  

/usr/local/varnish3/sbin/varnishd -f /usr/local/varnish3/etc/varnish/default.vcl -a 192.168.40.84:8080 -u www -g www -p thread_pool_max=51200 -
p thread_pools=4 -h classic,500009 -p lru_interval=20 -s file,/a8root/varnish/varnish_cache.data,512M -w 1000,51200,10 -T 192.168，40.84:3500