Basic must knows about security and firewalls ACL 101 ——————————————————————————— For class room training or online training… call or whatsapp +2 011 00 6161 72 next class room group in Tanta 22-6-2019 ——————————————————————————– ماتنسوش تشتركوا في القناة… Please Subscribe to my youtube channel… www.youtube.com/shahinazelkasrawy FaceBook Page… https://www.facebook.com/eng.shahinaz/ FaceBook Group… https://www.facebook.com/groups/399062337553404/