Top "Preflight" questions

Chrome not showing OPTIONS requests in Network tab

My web client application is setting HTTP POST requests via fetch API. I see that OPTIONS preflight requests are sent …

google-chrome cors google-chrome-devtools preflight

.NET Web API CORS PreFlight Request

I have some trouble make PUT and DELETE CORS request to Web API on other domain. I've coded API by …

.net cors http-delete preflight

How to handle preflight CORS requests on a Go server

So I'm writing this RESTful backend in Go, which will be called with cross-site HTTP requests, i.e. from content …

go cors preflight

Go gin framework CORS

I'm using Go gin framework gin func CORSMiddleware() gin.HandlerFunc { return func(c *gin.Context) { c.Writer.Header().Set("Content-Type", "…

go frameworks cors preflight go-gin

CORS: PHP: Response to preflight request doesn't pass. Am allowing origin

So I know there's a lot of CORS posts out there, and I'm just adding to them, but I can't …

php angular cors preflight

How to CORS-enable Apache web server (including preflight and custom headers)?

General: Request URL:x/site.php Request Method:OPTIONS Status Code:302 Found Remote Address:x.x.x.x:80 Response Headers: …

apache http cors ip preflight

Axios call api with GET become OPTIONS

I use axios for calling API (in front-end). I use the method "GET" : import axios from 'axios'; import querystring from …

javascript symfony cors axios preflight

Why does the browser send an OPTIONS request even though my frontend code is just making a POST request?

My front-end code: <form action="" onSubmit={this.search}> <input type="search" ref={(input) => { this.searchInput = input; }}/&…

node.js express cors preflight http-options-method

OPTIONS request authentication

I am developing a web application. It is using Basic authentication. It must process OPTIONS requests. These are web browser …

http file-not-found http-options-method preflight

How to solve ASP.NET Web API CORS Preflight issue when using PUT and DELETE requests with multiple origins?

I have an ASP.NET web API that is being called by three different SPA. I am using windows authentication …

asp.net asp.net-web-api cors preflight http-options-method