If you want to do a full three-way handshake, you’ll have to do it manually. Start with your SYN packet: >>> syn = IP(dst=”www.google.com”) / TCP(dport=80, flags=”S”) >>> syn <IP frag=0 proto=tcp dst=Net(‘www.google.com’) |<TCP dport=www flags=S |>> Then receive the SYN-ACK packet from the server, sr1 works. Then send your HTTP GET request: >>> syn_ack … Read more
Have a look at http://code.google.com/p/mongoose/. I think it’s separated in a library that does exactly what you want. It’s written in C, though.
The documentation on this seems to imply that it allows multiple origins with a space separated list, but that’s not what it actually means. Here’s what I could gather as the most definitive answer to your question: the Access-Control-Allow-Origin header should be the same value as the Origin header as long as you want to … Read more
Finally, I received a response from R. Fielding: 202 is a success status. The pointer mentioned is just hypertext in the body of the response. A 303 should be sent if you want to use Location to redirect the client to another resource. The result of the redirected request can be a 202. ….Roy So, … Read more
I would first consider 422 Unprocessable Entity: The 422 (Unprocessable Entity) status code means the server understands the content type of the request entity, and the syntax of the request entity is correct but was unable to process the contained instructions. In this case, the contained instructions are “please create this new resource”. 409 Conflict … Read more
A Principal represents someone who could potentially authenticate with your application. The Principal’s name depends on the authentication method used: a username such as “fred” (in the case of HTTP Basic authentication) a Distinguished Name such as “CN=bob,O=myorg” (in the case of X.509 client certificates – in which case a X500Principal may be returned) getRemoteUser() … Read more
HttpClient has a way to set connection and socket timeout (setConnectionTimeout() and setTimeout()) according to the HttpClient javadocs. Connection timeout is the timeout until a connection with the server is established. Socket timeout is the timeout to receive data (socket timeout). Example: Let’s say you point your browser to access a web page. If the … Read more
Below is a copy of an example trailer I copied from The TCP/IP Guide site. As we can see, if we want to use trailer header, we need add a “Trailer:header_name” header field with a header name and then add the trailer header entity after chunked body area. We can add 0 or more trailer … Read more
You are right WebClient does not support this. You can use HttpWebRequest and set the method to HEAD if you want this functionality: System.Net.WebRequest request = System.Net.WebRequest.Create(uri); request.Method = “HEAD”; request.GetResponse();