All Barracuda Web Filters, 8.0.0.003 and higher.
Access to to the web interface of barracuda web Filter.
1.Go to user/group and then to IP sub net/group
2. Add IP address /IP range and then add subnet mask in the Mask
3. Name the group and click add
4.Go to block/Accept-->Exception and select IP group where you see apply to and then select the group Name
5. Select exception type and click Add.
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