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Redirector IP addresses (if activated for your domain) allow you to bypass OpenAthens authentication at known locations where the resources will allow access via IP authentication. This is very useful if you have to maintain separate links for onsite and offsite access to resources in your library catalogue or link resolver tool. Redirector zones IP addresses can only work with go link enabled resources.

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If enabled on your subscription, you will see a box for specifying redirector IP zones addresses in the resource access section of the organisation preference page.

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Enter the IP addresses and ranges that are covered by IP authentication for your resources and save preferences. In most cases it will be sufficient to specify these ranges at the domain level, but additional ranges can be added per organisation to cater for local circumstances - for example where a local organisation has additional IP ranges, especially if they are connected with local resource subscriptions.  You should ensure that local administrators are aware of the impact of mistakes though; see below.

Anything to watch out for?

Locations covered by redirector  zones redirector IP addresses rely on a resource's IP authentication for access. You need to take care to match the zones you specify with what your resources will IP authenticate.

  • If you specify a zone range of addresses that is too big - i.e. includes addresses that are not IP authenticated by your resources - then users may find themselves in a location where they cannot gain access.
  • If you specify a zone range of addresses that is too small - i.e. does not cover all the addresses that are IP authenticated by your resources - then users may find themselves asked for OpenAthens credentials when they do not expect to be.