Brother DCP-J125 User Manual page 123

Firewall settings (For Network users)
l
Click the New Rule.
m
Choose Port and click Next.
n
To add port enter the information below:
 For network scanning
Choose UDP and enter "54925" in the Specific remote ports.
Click Next.
 For Network PC-Fax
Choose UDP and enter "54926" in the Specific remote ports.
Click Next.
o
Choose Allow the connection and click Next.
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