Syria tries to prevent exchanges between people of the two countries, It can ban access to youtube or facebook, the users wil always find turnarounds in order to be able to connect between each other. Anyway until further notice, Israel took the golan away from Syria, and until further notice, the Golan is ours. Syria knows the price to get the golan back and it knows that each day that passes make a possible deal more and more uncertain.
Singapore arrests man who tried to join ISIS (Reuters)
from the article: Syria bans Facebook to reclaim Golan Heights