[Bug 878] New: Handle HTTP error 511 Network Authentication Required (standard secure proxy authentification/captive portal detection)

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=878

             Bug #: 878
           Summary: Handle HTTP error 511 Network Authentication Required
                    (standard secure proxy authentification/captive portal
                    detection)
    Classification: Unclassified
           Product: IcedTea-Web
           Version: unspecified
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: NetX (javaws)
        AssignedTo: omajid at redhat.com
        ReportedBy: nicolas.mailhot at laposte.net
                CC: unassigned at icedtea.classpath.org


Since 
http://code.google.com/p/chromium/issues/detail?id=7338 and
https://bugzilla.mozilla.org/show_bug.cgi?id=479880

there is no clean way for a proxy or captive portal to get a web client to
display an authentication dialog when user credentials expire while he is
browsing on an https url.

(to be sure, the previous methods were insecure and hackish but they existed
because nothing better was available)

The IETF finally set up to fix this problem and defined a standard HTTP error
that lets access control equipments tell the web client authentication or
re-authentication is needed and where the authentication form is located.

http://tools.ietf.org/id/draft-nottingham-http-new-status-04.txt

→ <http://www.rfc-editor.org/queue2.html#draft-nottingham-http-new-status> (the
spec is approved and in the queue for publication as RFC)

Please add error 511 handling in IcedTea-Web

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