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Re: DODS/LAS and proxy servers


Does Ferret work with the proxy server? You need at least version 5.33 of Ferret.

Even if Ferret does work, the LAS server won't know where to find the .dodsrc file, since it's not running under a shell and the HOME environment variable is not set. You will need to create a .dodsrc file in the home directory for the uid of your Web server, and define a HOME environment variable that points to this home directory in some custom Perl code.

At 04:30 PM 1/11/2002 +0000, Andrew Woolf wrote:

Our LAS server is behind a firewall which requires all outgoing HTTP
requests to be channelled through an authenticating proxy server.

This means that if I want to make available an external DODS dataset on
our LAS site, I somehow need the DODS HTTP request to provide a username
and password to the proxy server.

I note that the most recent version of DODS (3.2) has made a non-standard
extension to the URL syntax for HTTP (RFC 1738) to enable this (together
with a ~/.dodsrc file which specifies the proxy server):


Leaving aside the standards issue, in principle I should then be able to
do this by putting a DODS URL in this form in the LAS XML.

I have an older version of LAS in which this doesn't work, but I'm
wondering whether the latest version supports DODS URLs of this form?

 - Andrew

Andrew Woolf  (awo@mail.nerc-essc.ac.uk)
Environmental Systems Science Centre (ESSC)
Reading University
3 Earley Gate
Reading RG6 6AL
Phone: +44 (0)118 931 8741   Fax: +44 (0)118 931 6413

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