try the following.
-Go to ADVANCED>Port Forwarding Rules page: Scroll to bottom, click "Add"
EDIT SERVICE: SERVICE NAME: aaa-securityblocking
Note - This makes "Global Service". NO spaces are permitted in service name
SERVICE DESCRIPTION: blocks port 139
SERVER PORTS: select "ADD SERVER PORTS"
EDIT SERVICE SERVER PORTS: PROTOCOL: TCP
SOURCE PORTS: ANY
-Under "FIREWALL SETTINGS>Advanced Filtering under "Broadband Connection (Coax) Rules click "Add"
ADD ADVANCED FILTER: MATCHING:
SOURCE ADDRESS: any
DESTINATION ADDRESS: any
PROTOCOL: select "aaa-security
blocking" which was added to this list by above procedure
LOGGING: LOG PACKETS
MATCHED BY THIS
WHEN SHOULD THIS RULE
OCCUR? Select "Always"
You may also want to do the same for the UDP as well