Confused about persistent connection for old clients
Windes, Edwin (ewindes@spyglass.com)
Thu, 16 Apr 1998 14:44:44 -0500
OK, I too, am confused about why proxies MUST NOT establish
persistent connections with 1.0 clients. If the client and
origin server connections are handled separately, and if the
proxy understands the 1.0 Keep-alive, what's the danger?
> 8.1.3 Proxy Servers
>
> It is especially important that proxies correctly implement
> the properties of the Connection header field as specified in 14.2.1.
> The proxy server MUST signal persistent connections
> separately with its clients and the origin servers (or other
> proxy servers) that it connects to. Each persistent
> connection applies to only one transport link.
>
> A proxy server MUST NOT establish a persistent connection
> with an HTTP/1.0 client (but see RFC 2068 for information
> about the Keep-Alive header implemented by many HTTP/1.0 clients).