Win7 system 502 bad gateway solution

Win7 users, sometimes in the process of using 502 bad gateway, do not know how it is, so let Xiaobian give you a detailed explanation Let's take a look at it.

Win7 appears 502 bad gateway solution introduction

502 bad gateway What does it mean

502 error is generally due to bad IP communication between the back end computer
, including the website on the web server you are trying to access. In analyzing this problem, you should clear the Browser
cache completely.

win7 systemcomputer
The reason for 502 bad gateway:

There are many reasons for 502 bad gateway, which is essentially the failure to send a request to the server when connecting to the server. There may be too many current links on the server, which may cause the server to fail to respond normally. This type of error may occur. The server may not be connected properly. It may be that the server is really inaccessible. Of course, this does not mean the server. Closed (no response gateway/proxy), perhaps the upstream server and the gateway/proxy do not agree on the protocol exchange data. Most of them appear on one or both machines that are incorrect or not fully programmed.

Win7 system computer 502 bad gateway solution:

Mainly look at other people are not the same can not access, if you can not access basically the server hangs. Others can access, the machine then ctrl+F5 forced to refresh once try, if not, then look at the following situation

One: DNS buffer problem

This situation is mainly because you are not using In the case of vpn, I visited some foreign websites blocked by the national firewall such as YouTube, facebook and the like.

Workaround: This situation is usually accessible within a few minutes. You can also try running ipconfig /flushdns in the cmd window to refresh the DNS cache.

Two: The browser has opened the proxy and the proxy is useless.

Workaround: Turn off the proxy.

Three: dns is hijacked

Workaround: Replace DNS, recommend 114.114.114.114, and Ali's public DNS such as: 223.5.5.5, 223.6.6.6

Last Provide a special case

Software hijacking Apocalypse calendar

End the relevant program. For example, use 360 ​​to accelerate — network speed & mdash; details & mdash; find “ apocalyptic calendar & rdquo; & mdash; right & ldquo; management & ldquo; & mdash; end process.