Before they got their Crocodiles, Pumas and MPCV .
good site here.
Rhodesian Mine Ambush Protected Vehicles 1975-80 | WeaponsMan
The Bedfords they had , renamed RHODEFs by changing the letters on the front of the cab.
To anti mine proof them they went for.
1. Water in the tyres. Life of the tyre was reduced but on detonating it dissipated the blast.
2. Mine conveyor belting the thick rubber stuff with steel matting in between. This was riveted into the wheel arches.
3. A layer of sand bags in the cab and back covered with the same mine conveyor belting.