POSTMAN CHROME DEVELOPER TOOLS UPGRADE

curl -Iks -http2-prior-knowledge If the above is executed with v switch (verbose), the output would include the below line. Response still states HTTP/1.1 curl -Iks -http2 HTTP/1.1 502 Bad GatewayĬurl to my server with -http2-prior-knowledge. curl -Iks Ĭross-origin-resource-policy: cross-originĬurl to my server which does not supports HTTP/2 - response states HTTP/1.1 curl -Iks HTTP/1.1 502 Bad GatewayĬurl to my server with -http2 switch. Below examples can help understand the behavior in different cases:Ĭurl to Google which supports HTTP/2 - automatically HTTP/2 is chosen.

POSTMAN CHROME DEVELOPER TOOLS UPGRADE

curl provides a switch -http2-prior-knowledge which ensures a direct HTTP/2 request is sent without attempting a HTTP/1.1 upgrade request. Solution using curl command as the existing curl solution did not work well for me.

This thread has an accepted answer for this. There is also a chrome browser extension that can help you. Type in there or your site with HTTPS protocol. Right-click the row that you see under the Name column and the click on Header Options and check Protocol. You can see the Protocol Column alternatively the following way: Now you can see the Protocol Column where h2 refers to HTTP/2 and h3 refers to HTTP/3 in case you see them and http/1.1 refers to HTTP/1.1. In the Name column right-click and make sure Protocol is checked. Click on Three dots aka ellipsis -> More Tools -> Developer Tools

You can open up Developer Tools just by clicking the three dots, also known as ellipsis, shown on the top right corner of your browser.

You can use alternatively F12 on your keyboard to do the same.

It does select the Network tab by default if you use the keyboard combination.

I am on Mac so I use ⌥⌘i (⌥+⌘+i)combination to open up the dev tools on the Chrome browser.

You can open up the Developer tools in many ways like: This question has been answered already but I am going to answer this still.

Postman chrome developer tools