LBNL staff and others affiliated with LBNL are eligible for access to electronic resources licensed by the UC Berkeley Library, including article databases, e-journals, e-books, encyclopedias, dictionaries, numeric data, and other premium online resources. This access is automatic if your computer is on the LBNL network, but if you're using the visitor's wireless network or you're at home or at some other location and not using a VPN to connect, you need to use a proxy server. Essentially, you connect to the proxy server, you log in with your Berkeley Lab Identity (LDAP) account, and then the proxy server queries the UC library system on your behalf.
You must configure your browser to use a proxy.pac (proxy auto-config) file. The URL to this file is
The steps for configuring the most recent versions of most browsers are below. If you're using an earlier version or a different browser, you might find directions for it in the UCB setup instructions. Just remember to use the URL for the LBNL proxy and not the UCB proxy. (Your LBNL login won't work with the UCB proxy server.)
In all cases, your web browser must be set to accept all cookies.
If you experience problems, please read through the UCB troubleshooting page first. If that doesn't help, please contact the LBNL help desk.
These instructions are based on Chrome version 21 running on Mac OSX
- Click the wrench icon in the upper right (Customize and Control Google Chrome) and select Settings.
- At the bottom of the page, click Show advanced settings...
- Scroll down to the Network category and click the Change proxy settings... button.
This will open the browser's Internet Properties window.
- Click on the Proxies tab.
- Check and highlight Automatic Proxy Configuration
- Check the Use Passive FTP Mode (PASV) checkbox
- Click OK to save the new settings
- In the Network window, if you want to prevent further changes, click the lock icon at bottom left.
Click Apply, close the Network window. then close the Advanced window.
- Pull down the Safari menu and select Preferences
- Click on the Advanced icon.
- In the Proxies: option, click on Change Settings.
- System Preferences should start up automatically, with the Network window open and Proxies selected.
(You may need to log in with your Administrator password to make these changes.)
- Under Select a protocol to configure:, choose Automatic Proxy Configuration.
Even if this box is already checked, you may still need to click on these words to make the Proxy Configuration File URL text box appear on right side of window.
- Make sure the Use Passive FTP Mode (PASV) box is checked.
- Click OK to close the Proxies window.
- If you want to prevent further changes, click the lock icon at bottom left of window.
Click Apply, then close the Network window.
- Close the Advanced window.