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HTTP GET Request, ASP – I’m lost!

Your code should look like this:- Function GetTextFromUrl(url) Dim oXMLHTTP Dim strStatusTest Set oXMLHTTP = CreateObject(“MSXML2.ServerXMLHTTP.3.0”) oXMLHTTP.Open “GET”, url, False oXMLHTTP.Send If oXMLHTTP.Status = 200 Then GetTextFromUrl = oXMLHTTP.responseText End If End Function Dim sResult : sResult = GetTextFromUrl(“http://www.certigo.com/demo/request.asp”) Note use ServerXMLHTTP from within ASP, the XMLHTTP component is designed for client side usage and … Read more

How to serve http partial content with Go?

Serving partial content is non-trivial. See Byte serving on wikipedia for an introduction. You have to handle specific status codes and headers (both request and response), which is not too hard but you shouldn’t waste your time doing that yourself. If the content to serve (or serve from) is a file, you may use http.ServeFile() … Read more

Go http.Get, concurrency, and “Connection reset by peer”

The message connection reset by peer indicates that the remote server sent an RST to forcefully close the connection, either deliberately as a mechanism to limit connections, or as a result of a lack of resources. Either way you are likely opening too many connections, or reconnecting too fast. Starting 1000-2000 connections in parallel is … Read more

gradle – download and unzip file from url

Let’s say you want to download this zip file as a dependency: https://github.com/jmeter-gradle-plugin/jmeter-gradle-plugin/archive/1.0.3.zip You define your ivy repo as: repositories { ivy { url ‘https://github.com/’ patternLayout { artifact ‘/[organisation]/[module]/archive/[revision].[ext]’ } // This is required in Gradle 6.0+ as metadata file (ivy.xml) // is mandatory. Docs linked below this code section metadataSources { artifact() } } … Read more

How does a HTTP Proxy utilize the HTTP protocol? a Proxy RFC?

The header sent to a proxy is different. For example, here is what is sent by Google Chrome to www.baidu.com via a proxy server: GET http://www.baidu.com/ HTTP/1.1 Host: www.baidu.com Proxy-Connection: keep-alive Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 DNT: 1 Accept-Encoding: gzip, deflate, sdch Accept-Language: … Read more

What is a safe maximum length a segment in a URL path should be?

Possibly related of What is the maximum length of a URL in different browsers? In short According to the HTTP spec, there is no limit to a URL’s length. Keep your URLs under 2048 characters; this will ensure the URLs work in all clients & server configurations. Also, search engines like URLs to remain under … Read more

“Cannot GET /” with Connect on Node.js

You’ll see the message Cannot GET / if you don’t specify which page it is that you’re trying to get, in other words if your URL is something like http://localhost:8180. Make sure you enter a page name, e.g. http://localhost:8180/index.html.

HTTP Keep Alive and TCP keep alive

I know this is an old question, but still: HTTP Keep-Alive is a feature that allows HTTP client (usually browser) and server (webserver) to send multiple request/response pairs over the same TCP connection. This decreases latency for 2nd, 3rd,… HTTP request, decreases network traffic and similar. TCP keepalive is a totally different beast. It keeps … Read more

Are JSON web services vulnerable to CSRF attacks?

Forging arbitrary CSRF requests with arbitrary media types is effectively only possible with XHR, because a form’s method is limited to GET and POST and a form’s POST message body is also limited to the three formats application/x-www-form-urlencoded, multipart/form-data, and text/plain. However, with the form data encoding text/plain it is still possible to forge requests … Read more

How can I deal with HTTP GET query string length limitations and still want to be RESTful?

HTTP specification actually advises to use POST when sending data to a resource for computation. Your search looks like a computation, not a resource itself. What you could do if you still want your search results to be a resource is create a token to identify that specific search result and redirect the user agent … Read more