http-status-code-403

403 Forbidden with Java but not web browser?

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You just need to set user agent header for it to work: URLConnection connection = new URL(“https://www.google.com/search?q=” + query).openConnection(); connection.setRequestProperty(“User-Agent”, “Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11”); connection.connect(); BufferedReader r = new BufferedReader(new InputStreamReader(connection.getInputStream(), Charset.forName(“UTF-8”))); StringBuilder sb = new StringBuilder(); String line; while ((line = r.readLine()) != null) { sb.append(line); } … Read more

403 Forbidden vs 401 Unauthorized HTTP responses

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A clear explanation from Daniel Irvine: There’s a problem with 401 Unauthorized, the HTTP status code for authentication errors. And that’s just it: it’s for authentication, not authorization. Receiving a 401 response is the server telling you, “you aren’t authenticated–either not authenticated at all or authenticated incorrectly–but please reauthenticate and try again.” To help you … Read more

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