Sunan Abu Dawood 123
Another version says:
He wiped his ears inside and outside. Hisham adds: He inserted his fingers in the ear-holes.
حَدَّثَنَا مَحْمُودُ بْنُ خَالِدٍ، وَهِشَامُ بْنُ خَالِدٍ، - الْمَعْنَى - قَالاَ حَدَّثَنَا الْوَلِيدُ، بِهَذَا الإِسْنَادِ قَالَ وَمَسَحَ بِأُذُنَيْهِ ظَاهِرِهِمَا وَبَاطِنِهِمَا . زَادَ هِشَامٌ وَأَدْخَلَ أَصَابِعَهُ فِي صِمَاخِ أُذُنَيْهِ .
Classification
Sahih (Authentic)
References
Sunan Abu Dawood 123
Sunan Abu Dawood Vol. 1, Book of Purification (Kitab Al-Taharah), Hadith 123