Hazrat Abu Alia states that there is no prayer after Fajr until sunrise and after Asr until sunset. And Hazrat Umar used to punish for this.

Hazrat Ashtar narrates that Hazrat Khalid bin Waleed used to beat people for offering prayer after Asr.

Hazrat Abdullah considered it disliked to perform prayer after Asr, and he used to say that I consider disliked that which Hazrat Umar considered disliked.

Hazrat Abdullah bin Shaqiq narrates that Hazrat Umar saw a man performing prayer after Asr, so he beat him so much that his sheet fell off.

Hazrat Muhammad bin Abdullah says that I asked Hazrat Salim about performing prayer after Asr, so he replied that I do not consider it correct to start prayer at that time until the sun sets.

Ibn Sirin considered it disliked to perform prayer after Asr until the sun had set.

Hazrat Ibn Abbas (may Allah be pleased with both of them) narrates that Hazrat Umar used to punish for performing two rak'ahs after Asr.

Hazrat Rafi' bin Khadij narrates that Hazrat Umar saw me performing prayer after 'Asr, so he waited for me to complete my prayer. When I finished the prayer, he asked, "Which prayer were you performing?" I replied, "Some of my prayer was missed behind you, so I was completing it." He said, "If I had known that you were performing any prayer after 'Asr, I would not have treated you well."

Hazrat Ibn Umar (may Allah be pleased with them both) narrates that I have offered prayer with the Prophet (peace and blessings be upon him), Hazrat Abu Bakr, Hazrat Umar, and Hazrat Uthman, and all of them said that after Fajr, until sunrise, prayer is not performed.

Hazrat Ali (may Allah be pleased with him) narrates that the Prophet (peace and blessings be upon him) used to offer two rak'ahs after every obligatory prayer, except for Fajr and Asr.