Zulham Sitorus; Mhd Arfan Sitorus; Didi Riswan``; Heri Eko Rahmadi Putra. Blocking Prohibited Sites Using Proxy Server In Mikrotik And Squid Proxy Debian Server At The Nurul Anwar Education Foundation Tanjungbalai City. JITCSE 2024, 1, 10-19.