The Prophet ﷺ said, "The terror caused by Al-Masih Ad-Dajjal will not enter Medina and at that time Medina will have seven gates and there will be two angels at each gate (guarding them).
عَنِ النَّبِيِّ ﷺ قَالَ لاَ يَدْخُلُ الْمَدِينَةَ رُعْبُ الْمَسِيحِ الدَّجَّالِ وَلَهَا يَوْمَئِذٍ سَبْعَةُ أَبْوَابٍ عَلَى كُلِّ باب مَلَكَانِ