Drinks - Section 1 Mishkat al-Masabih 4264
Arabic hadith text
وَعَنِ ابْنِ عَبَّاسٍ قَالَ نَهَى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَن الشّرْب من قي السقاء
Translation
Ibn ‘Abbas said God’s messenger forbade drinking from the mouth of a water-skin. (Bukhari and Muslim.)