What are important HTTP headers to be frequently used in Python CGI Programming?
HTTP Header
The line Content-type:text/html\r\n\r\n is part of HTTP header which is sent to the browser to understand the content. All the HTTP header will be in the following form −
HTTP Field Name − Field Content
For Example
Content-type − text/html\r\n\r\n
There are few other important HTTP headers, which we will use frequently in our CGI Programming.
Sr.No.
| Header
| Description
|
1
| Content-type:
| A MIME string defining the format of the file being returned. Example is Content-type:text/html
|
2
| Expires: Date
| The date the information becomes invalid. It is used by the browser to decide when a page needs to be refreshed. A valid date string is in the format 01 Jan 1998 12:00:00 GMT.
|
3
| Location: URL
| The URL that is returned instead of the URL requested. You can use this field to redirect a request to any file.
|
4
| Last-modified: Date
| The date of last modification of the resource.
|
5
| Content-length: N
| The length, in bytes, of the data being returned. The browser uses this value to report the estimated download time for a file.
|
6
| Set-Cookie: String
| Set the cookie passed through the string
|
Published on 31-Jan-2018 12:04:43
