Sunan Abi Dawud General Behavior (Kitab Al-Adab) Abu Salama bin 'Abdur Rahman أبو سلمة بن عبد الرحمن بن عوف Isma'il bin Ja'far bin Abi Kathir إسماعيل بن جعفر بن أبي كثير الأنصاري Muhammad bin 'Amr bin 'Alqama محمد بن عمرو بن علقمة Naf' bin Abd al-Harith Yahya bin Ayoub al-Maqabri يحيى بن أيوب المقابري Sahih When the Messenger of Allah (ﷺ) came to some people’s door, he did not face it squarely, but faced the right or left corner, and said: Peace be upon you! peace be upon you! That was because there were no curtains on the doors of the house at that time. https://parallelquran.com/hadith/sunan-abi-dawud-5186/