[ ijbswa-Feature Requests-3614927 ] Handling resources not found error, for failover

Feature Requests item #3614927, was opened at 2013-08-19 22:23
Message generated for change (Comment added) made by fabiankeil
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Category: Configuration
Group: None
>Status: Pending
>Resolution: Works For Me
Priority: 5
Private: No
Submitted By: nodje (nodje)
>Assigned to: Fabian Keil (fabiankeil)
Summary: Handling resources not found error, for failover

Initial Comment:
It'd come very handy to be able to detect Privoxy failure to find resources, so that failover can be handled, in a PAC file for instance.

That is along with  ID: 2519815 feature request.

The point is, whatever you use Privoxy for, forwarding to SOCK or to another proxy or direct to internet, it can be one of multiple proxies in an LAN.
To be able to treat it as a "potential source", to be able to manage balancing and/or failover, one has to receive a clear "failing" HTTP response when resources are not found.

Since Privoxy returns a webpage, resources not found are never treated as errors.

I hope my point is clear, as I'm sure my technical description of what is actually happening is pretty poor.

The feature here could be a simple configuration swicth, which turns webpage response to "resource not found" on or off.

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>Comment By: Fabian Keil (fabiankeil)
Date: 2013-08-20 10:55

Message:
Thanks for the suggestion.

Could you be more specific about how you want Privoxy's responses to look
like?

Privoxy already uses 'clear "failing" HTTP responses' when parent proxies
are unavailable. Status codes are unrelated to whether or not a "webpage"
is returned as well.

If you don't want to see the problem description, you could simply empty
the appropriate template in templdir:
http://www.privoxy.org/user-manual/config.html#TEMPLDIR

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