If Gaza is not occupied nor controlled by Israel then Gazans should every right right to walk on every inch of their land. When Gazans are shot and killed, as they have been before, the shooters should pay a penalty and be put behind bars. They should receive the same penalty that a Palestinian would receive if he shot an Israeli.
Surfer seriously injured in Australian shark attack (AP)
from the article: Israeli army confirms: Palestinian killed near Gaza border was unarmed