It is not permissible to have anal sex or to have foreplay there! Even of he doesn’t insert it, playing round it will make him do that one day. Satan is just waiting for the right moment.
If it was while wearing your clothes, this is ok.

My husbnd touch his part from my back side(only bumps) not insid only frm outside area it touching on bumps coz insert is haram .Many tym he do while foreplay over clothes. Plz tell that this thing will not maqrooh our nikah. and he want to intercourse from back postion he didnt insert in anal just position is back rest he do it according to islam . Is he allow to do so.He never do anal sex,only like that position so i want to make it confirm.

Fiqh of the family | December 30, 2014 6:53 am
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If one’s father/husband asks family to cut down relationship with others (relatives) as they bring nothing but Fitnah and everything negative possible. What’s the ruling? Their gathering includes backbiting/slandering of others and evil eye too Allahu Alam.
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 In our custom after marriage, the husband used to stay in his wife’s house and their children will grow in her house itself till the time the husband build a house of their own. I would like to ask if is this permissible in Islam.