Browser Support for HTTP 1.1?

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I ran into a website that only works with HTTP 1.1, not
HTTP 1.0.  Yes, I know that's a Bad Thing To Do, but
there are worse horrors on the web...

That got me to wondering whether most browsers in use
can handle HTTP 1.1.  From doing some web searching,
I *think* that the following browsers support HTTP 1.1,
But would very much welcome corrections or a link to a
definitive list.

Firefox: all versions.

Opera: version 4.0 and up.

Netscape Navigator: version 6.02 and up.
(IIRC, NN 4.06 and up had a buggy implementation of HTTP 1.1)

Internet Explorer: version 4.0 and up.
(The Internet Explorer 4 Java Virtual Machine cannot handle
HTTP 1.1 data streams correctly. This was fixed in IE 5)
(Can you replace it with Java from Sun?)

Lynx: version 2.6 and up (Shaky on this one...)

Konqueror: ??

Safari: ??

Amaya: ??

I also noted that many browsers that support HTTP 1.1 can be
configured to use only HTTP 1.0. Do any have that setting
as the default?

Guy Macon

Re: Browser Support for HTTP 1.1?

Guy Macon wrote:
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Any web server that's hosting two or more websites distinguished only by
host name is supporting only HTTP 1.1, correct?

Re: Browser Support for HTTP 1.1?

Harlan Messinger wrote:
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As far as I know, yes, but that is a tiny subset of HTTP 1.1 requiring
only that you add a "HOST:" to your HTTP 1.0 headers.

But you are right, an HTTP 1.0 browser cannot get to the non-default
virtual hosts.

I have a subroutine which does the equivalent of WGET, passing the
resultant HTML as variables, and all I had to do to get to name-based
virtual hosts was add that header.

Steve Swift

Re: Browser Support for HTTP 1.1?

Swifty wrote:
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OK. But there isn't any reason to expect a server to respond in
1.0-conforming format when it receives a request that isn't 1.0-conforming.

Re: Browser Support for HTTP 1.1?

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On Thu, 05 Feb 2009 19:21:25 +0000
Guy Macon < wrote in:

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Can be a effective filter to only accepting HTTP 1.1 so I suppose,
depending on one's point of view, it could be a good thing.=20



BootNic                                        Thu Feb 5, 2009 03:01 pm
  Optimism and humor are the grease and glue of life. Without both of
  them we would never have survived our captivity.
  *Philip Butler, Vietnam POW*

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Re: Browser Support for HTTP 1.1?

On 2/5/2009 11:21 AM, Guy Macon wrote:
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Firefox does NOT interface with the Internet and Web browsers.  The
Gecko rendering engine embedded withing Firefox handles that interface.

SeaMonkey, Camino, Minimo, Epiphany, Galeon, Camino, Kmeleon, and other
Mozilla products and clones of Mozilla products also use Gecko.  Since
Gecko (at least for version 1.8) supports HTTP 1.1, all of these
browsers -- in addition to Firefox -- support HTTP 1.1.

Gecko has the option to support only HTTP 1.0, but the default is HTTP

David Ross

Have you been using Netscape and now feel abandoned by AOL?
Then use SeaMonkey.  Go to < .

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