The ruling on the greeting of the mosque after the 'Asr prayer and the Friday sermon

Question:
What is the correct ruling regarding the greeting of the mosque after the 'Asr prayer?

Answer:
It is like any other time, for the Prophet (peace and blessings be upon him) said: .
Q: Yes, some people say: This is not correct?
A: Some scholars prohibit it during the times of prohibition, but the correct view is that it is permissible and one is commanded to do it constantly. For this reason, when a man entered while the imam was delivering the sermon on Friday, he said: "Stand up and pray two rak'ahs," while the imam was delivering the sermon.
Q: If a person enters and sits down immediately, is he sinful?
A: He is taught and told: Stand up and pray two rak'ahs, just as the Prophet commanded. Indeed, the Prophet commanded the one who sat down, saying: .
Q: And if he refuses?
A: If you teach him the Sunnah, that is sufficient, and do not strike him.
Q: Regarding this question: If this person enters on Friday while the imam is delivering the sermon and sits down, should I tell him: Stand up?
A: You tell him: Stand up, for the Sunnah for you, my brother, is to pray two rak'ahs, with kind words.
Q: What about idle talk?
A: If the imam is delivering the sermon, you gesture to him.
Q: A gesture with the hand?
A: Yes, and do not speak, whereas the preacher is allowed to speak.
Q: Is it obligatory?
A: It is a confirmed Sunnah according to the scholars.