Thousands of police officers will be posted throughout east Jerusalem and the Old City on Friday, for the first Friday of Ramadan.
A police statement said: "The officers will ensure freedom of worship for tens of thousands of Muslims that are expected to pray."
Men aged 45-50 from the West Bank will be allowed into Jerusalem with special permission and all men over 50 will be let in. Women aged 30-45 will be allowed in with special permission, and women over 45 may enter Jerusalem freely.