SMC Networks Barricade - Manual (Page 40)

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3. On the Local Area Network (LAN) Settings screen, check both the Use a proxy
server and Bypass proxy server for local addresses checkboxes, as shown
above.
Figure 17: Windows Proxy Server Settings
4. Click the Advanced button, and enter the Proxy information for HTTP.
Do NOT check Use the same proxy server for all protocols.
5. Click OK to save and exit.