On Mon, Feb 22, 2010 at 5:43 PM, Jorg Heymans <jorg.heym...@gmail.com>wrote:

>
> What is the recommended pattern for securing a multicore solr instance,
> accessed by different applications ? In our case, we need to prevent
> application A from accessing the core of application B. Also, we need to
> avoid the use of username/password authentication wherever possible. I have
> read the wiki page on solr security and it talks about path based
> authentication, but both DIGEST and BASIC auth are username/password based
> so i'm looking for alternatives.
>
> One idea i had was to use https and create a x509 cert per application,
> with
> a different subject per application. Then on the solr server i would
> somehow
> need to extend the component that is responsible for delegating
> /sorl/appA/*
> to the appA request handlers (is there such thing even ?) and verify that
> requests for /appA are done over https with a valid certificate that has
> /appA as subject. Is this feasible ? Or maybe there is an easier way of
> doing this ?
>
>
I wouldn't go for a HTTPS based solution because HTTPS adds a huge overhead.
Besides, you only need access control and not secure communication, right?
Could a shared-secret approach work for your use-case? You can define a
secret key per core and share it with the application supposed to use that
core. Then you can write a Java Filter placed before SolrDispatchFilter
which can look at the request path and verify access.

-- 
Regards,
Shalin Shekhar Mangar.

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