What is the best way to view the HTTP response headers from a request against a particular URL? Telnet or is there some other really good command or tool?
To view the request or response HTTP headers in Google Chrome, take the following steps : In Chrome, visit a URL, right click , select Inspect to open the developer tools. Select Network tab. Reload the page, select any HTTP request on the left panel, and the HTTP headers will be displayed on the right panel.
View headers with browser development toolsIn Google Chrome, navigate to a page to research. Within the page, right-click (for PC users) or command-click (Mac users) to view options, and then click Inspect.
Internet ExplorerOpen the Network tool using [Ctrl]+4. You must manually start data collection using [F5]. Once you have some output simply double-click on the name of any object to view the HTTP headers (as well as Request Method, Response Status Code and HTTP version in relevant panels) related to it.
You can use failed request tracing in IIS to include status code 200. This would log successful requests too and you can view all request headers in the "request details" > "general request headers" section.
I find that Fiddler is my weapon of choice, although there are firefox plugins as well. Fiddler will show you all the HTTP Requests, their response status, all the headers, with different views (raw, hex, image), a timeline view, HTTPS Connects, everything.
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