Proxy Servers and Access Problems

As a reminder, ICPSR does not support proxy servers. Using a proxy server to access ICPSR services will prevent users from successfully downloading data and utilizing online analysis.

If a proxy server is not set up perfectly, our site will be unable to read/write cookies, which prevents us from authenticating users and verifying that they've agreed to terms of use. When a user can't get past the terms of use page, it usually means they're accessing our site via a proxy server.

We've had a large influx recently of users who are reporting problems like these that have been traced back to proxy servers, usually in relation to links set up on campus library Web sites or class sites.

You can identify proxy server links because the link does not begin with:

http://www.icpsr.umich.edu/

but rather looks something like:

http://www-0.proxy.yourschool.edu.icpsr.umich.edu/etc

Please link directly to the ICPSR site; do not link to ICPSR via proxy servers.

If you have any questions, please contact web-support@icpsr.umich.edu.

2012-10-12

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