(6) باب رَدِّ السَّلاَمِ بِالإِشَارَةِ فِي الصَّلاَةِ
It was narrated that Suhaib, the Companion of the Messenger of Allah (ﷺ) said:
"I passed by the Messenger of Allah (ﷺ) when he was praying, and greeted him with Salam. He returned my greeting with a gesture, or maybe it was just with his finger." (ID)
Reference (ID): Sunan an-Nasa'i 1186 (ID)
In-book reference (ID): Book 13, Hadith 8 (ID)
English translation (ID): Vol. 2, Book 13, Hadith 1187 (ID)