What is CORS? Blocked by CORS policy error explained

What is CORS? Blocked by CORS policy error explained

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[anempiricaldesign]

CORS errors have ruined more than a few sprints.

[azgin]

Just want to specify that CORS is a features provided by browser, in fact, if you made the same fetch in nodejs you are not going to receive cors blocking at alls.

This is really important to understand that because debugging can be crazy without 😅

[JTCF]

I've been a backend dev for some time now and cors has been one of the big issues during frontend integration...

[khaizukooninaru]

Whenever I hear cors it gives me nightmare 🤣🤣🤣 it has cause issue for me many times

[monq]

cors doesn't prevent request from the serverside though so you'll have to think of ways to black list/ white list a request for that if you want to prevent them from accessing your rest api

[siva_geddada]

Awesome why don't you make full length video on this,

[Anas_Alaqeel]

Whats the point of CORS if you can bypass it using postman?

[jsnatureclicks]

For every change we need ng build and corse it? Do we need to clear the cache and run to see changes when we use cors

[me_tanmay]

Need video for setting up CORS for client/server

[shakeshev]

Hello Dave. Thank you very much! Kindly explain if I understand correctly. When we refresh the page the token gets cleared. For that reason we implement baseQueryWithReAuth. But if we keep checkbox “trust this device” unchecked. Then there is no refresh endpoint which means on page reload the page will not be allowed to see it due to empty access token and no refresh endpoint. Is it correct? If yes then how to implement a feature to keep page accessible on page reload but disallow page view if the page/browser is closed. Is it secure to use sessionStorage for accessToken in this case? Or is there any better solution? Thank you very much in advance.

[amansarma]

How to handle cors when you are using those backend apis in your mobile apps like react native or native apps.

[birapci]

I can set my requests’ Cross-Origin manually. So, what is the point of using cors?

[ggff]

To be honest in django Cors headers error occurs when connecting frontend with backened and is really has an only 3 step solution. Dont know about nodejs😅😅

[bigsmoke]

The only "Cors" I'm familiar with is Coors light

[stefnirk]

The best way to never have a CORS error is to never send requests to another URL from the browser.

It's good practice to validate requests by letting them pass through your servers is good practice anyway.