Must Know CDN Skillsets for Server Engineers

Case Study 1:

Problem:

  • First, we confirmed that our origin site resources could be accessed and there was no problem with CDN back-to-source
  • We used the wget command to bind the domain name host (here, we assumed the origin site IP is 111.1.23.214). This allows us to bypass the CDN and directly access our origin site:
  • This confirms that the image can be accessed normally.

Case Study 2:

Problem:

  • First, we confirmed that there was no problem with the origin site by simulating browser access with a referrer
  • At the same time, to bind the host, we also used another method: wget -e http_proxy
  • Then, we requested directly, without binding the host

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