received http code 503 from proxy after connect

HTTP RequestThe client requests access to the resource to the server by sending an HTTP request. The HTTP request consists of three parts: the request line, the message header, and the request for essay.3.1. Request LineThe request line begins with

First, the concept1.HTTP protocol: Hypertext Transfer Protocol (Hypertext Transfer Protocol). Is a rule that specifies the communication between the browser and the Web server, which allows Hypertext Markup Language (HTML) documents to be routed

First, the concept1.HTTP protocol: Hypertext Transfer Protocol (Hypertext Transfer Protocol). Is a rule that specifies the communication between the browser and the Web server, which allows Hypertext Markup Language (HTML) documents to be routed

Header ("http/1.1 403 Forbidden"); Echo Error 404 Not Found Not Found That's an error. Was wasn't found on the this server. That's all we know.

100-199 is used to specify certain actions that the client should be corresponding.200-299 is used to indicate a successful understanding and acceptance of the request.300-399 is used for files that have been moved and is often included in the

HTTP status Code Daquan complete HTTP 1.1 specification instructions from RFC 2616, you can http://www.talentdigger.cn/home/link.php?url=d3d3LnJmYy1lZGl0b3Iub3JnLw %3d%3d online access. The status code for HTTP 1.1 is marked as a new feature because

The complete HTTP 1.1 specification is from RFC 2616 and can be accessed online at Http://www.talentdigger.cn/home/link.php?url=d3d3LnJmYy1lZGl0b3Iub3JnLw%3D%3D. The status code for HTTP 1.1 is marked as a new feature because many browsers only

The complete HTTP 1.1 specification is from RFC 2616 and can be accessed online at Http://www.talentdigger.cn/home/link.php?url=d3d3LnJmYy1lZGl0b3Iub3JnLw%3D%3D. The status code for HTTP 1.1 is marked as a new feature because many browsers only

The complete HTTP 1.1 specification is from RFC 2616 and can be accessed online at Http://www.talentdigger.cn/home/link.php?url=d3d3LnJmYy1lZGl0b3Iub3JnLw%3D%3D. The status code for HTTP 1.1 is marked as a new feature because many browsers only

The complete HTTP 1.1 specification is from RFC 2616 and can be accessed online at Http://www.talentdigger.cn/home/link.php?url=d3d3LnJmYy1lZGl0b3Iub3JnLw%3D%3D. The status code for HTTP 1.1 is marked as a new feature because many browsers only