http-content-length – Tarik Billa

content-length when using http compression

September 3, 2023 by Tarik

It depends on the Content-Encoding. RFC 2616 has this to say (amongst other things) about Content-Length: Applications SHOULD use this field to indicate the transfer-length of the message-body, unless this is prohibited by the rules in section 4.4. So we have to figure out what transfer-length is; Section 4.4 (Message Length) says these two things … Read more

HTTP POST: content-length header required?

July 20, 2023 by Tarik

Depends what you mean by optional. If you mean that you can just omit the header anytime you like then no, it is not optional. The HTTP spec has very specific rules when to use that header. There are different ways of sending the data if you don’t know the length. Chunked encoding for example. … Read more