There is nothing in Islam to say that anal intercourse is permissible
Anal sex is absolutely prohibited - Islamweb - Fatwas
There are no particular rules and laws either in foreplay or in intercourse. The only laws and rules are the ones reached by the lovers by mutual and often unspoken understanding. Whatever is pleasing and satisfying to both the husband and the wife is right and proper; and whatever is mutually displeasing is wrong. The only limitation to this general rule would be any Shariah rule which goes against the wishes of the husband or the wife.
There are many saheeh ahaadeeth which show that anal intercourse is haraam, such as the following:. And there are many similar ahaadeeth. End quote. Because that is the consensus of the Sahaabah.
A curious religious debate is raging in Egypt. The question is: should you keep your clothes on when having sex? It began when Dr Rashad Khalil, an expert on Islamic law from al-Azhar university in Cairo warned that being completely naked during intercourse invalidates a marriage.