Disable IPv4 over IPv4 tunnel on the 6to4 interface for better security.
Disable IPv4 over IPv4 tunnel on the 6to4 interface for better security.

Approved by: jkh

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase