TL;DR Summary; if you have binary (non-alphanumeric) data (or a significantly sized payload) to transmit, use multipart/form-data. Otherwise, use application/x-www-form-urlencoded. The MIME types you mention are the two Content-Type headers for HTTP POST requests that user-agents (browsers) must support. The purpose of both of those types of requests is to send a list of name/value … Read more
This is probably because of mod_security or some similar server security feature which blocks known spider/bot user agents (urllib uses something like python urllib/3.3.0, it’s easily detected). Try setting a known browser user agent with: This works for me. By the way, in your code you are missing the () after .read in the urlopen … Read more
No. The content-type should be whatever it is known to be, if you know it. application/octet-stream is defined as “arbitrary binary data” in RFC 2046, and there’s a definite overlap here of it being appropriate for entities whose sole intended purpose is to be saved to disk, and from that point on be outside of … Read more
GET and POST are two different types of HTTP requests. According to Wikipedia: GET requests a representation of the specified resource. Note that GET should not be used for operations that cause side-effects, such as using it for taking actions in web applications. One reason for this is that GET may be used arbitrarily by robots or crawlers, which should … Read more
I’m getting the following error when my win32 (c#) app is calling web services. I understand ‘I think’ that this is because the upstream request does not get a response in a timely fashion. But my question is this? How do I change the app.config settings in my win32 application to allow more time to … Read more
From RFC 3986: A URI can be further classified as a locator, a name, or both. The term “Uniform Resource Locator” (URL) refers to the subset of URIs that, in addition to identifying a resource, provide a means of locating the resource by describing its primary access mechanism (e.g., its network “location”). The term “Uniform … Read more
Yes. Empty or incomplete headers or response body typically caused by broken connections or server side crash can cause 502 errors if accessed via a gateway or proxy. For more information about the network errors