Is there some easy way for me to determine which version of the http protocol is supported by the web server where a particular site is hosted? I've read some online articles about the http protocol and they mention using the OPTIONS method to get this information back from the web server, but the articles didn't provide any examples of the code or details on how to use it, so I have no idea how to use the OPTIONS method.
The web site is at http://www.baycolonies.org
Error Message:
505 - HTTP Version Not Supported
Translation:
This error occurs because the Web server does not support the HTTP
protocol used by your Web browser. For example, the server will return a 505
error if your browser attempts a request using HTTP 1.0 or 1.1 but the Web
browser only supports HTTP 0.9.
This web site is hosted with Network Solutions and it's hard for me to believe that they would have the site on a server which supports some older depracated version of the http protocol like HTTP 0.9, but I was looking for some way to check this easily. Is the OPTIONS method the best way? How do I go about using it? Example of the code and advice on how to proceed wirtten at the "for dummies" level would be greatly appreciated.
P.S. Is it possible/likely the problem is with the user's browser and not with the web server?
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I have connected to that server with
netcat www.baycolonies.org 80
OPTIONS * HTTP/1.1
and it showed no information about supported http versions. But the responses for GET / with HTTP/0.9 to HTTP/1.1 are showing that the server can handle them.
You can trace the faulty request in server logs (if you know exactly when it happened or the user can reproduce the error).
> Is there some easy way ..
use telnet as already suggested:
telnet FQDN-or-IP-of-server 80
then issue following commands:
GET / HTTP/0.9
GET / HTTP/1.0
GET / HTTP/1.1
(each command requires a new telnet connection, and each command is follwe by 2 newlines or carriage returns).
These 3 are the only known HTTP versions according RFC, anything else should return an error (except the web server supports it's own version:)
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by: stsonlinePosted on 2009-01-13 at 15:34:15ID: 23368601
You can always telnet to port 80 and see if the web server returns basic HTML info. For example, from a command prompt type 'telnet www.baycolonies.org 80' and see if you get a connection. If so, type GET and press return, if the web server supports GET without parameters (many do), you should see something like this:
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
... which would tell you the web server supports HTML 2.0 English language version.