A city needs several protocols into an isolated subnet through one foothold, not just a single mapped port. What class of approach is generally more suitable than one-off forwards alone?
Select an answer to reveal the explanation.
Short Explanation
One dedicated forward is like drilling a single straw through the wall—great for one drink, awkward for a whole buffet. When you need many protocols through the same foothold, a tunnel is more like a temporary hallway that can carry different kinds of traffic. You still stay disciplined about scope; you just stop living one straw at a time.
Full Explanation
Single port forwards excel at exposing one known service. Broader protocol needs across an isolated subnet often call for tunneling or encapsulation through the foothold so multiple flows can ride the same path. That is a planning judgment about multiplexing reach, not a license to weaken citywide defenses. Testers choose tunnels when one-off forwards become operationally brittle.