If any of you have cold sores, those are caused by oral hepers they are contagious during an out break and can be passed to the genitals if you or your partner have an out break and give oral sex.If you have anal sex and you have an out break a the time then yes you can pass it or contract it doesn't matter what position your in. Herpes can be passed during any kind of sexual activity when the skin of your genitals meets your partners genitals. Herpes can affect all areas of the genitals including the anus, inner thighs and buttocks. But there is only a small chance of passing it in between out breaks.Just be care full. Get to know your symptoms and avoid having any kind of sex until the out break is completely gone. Be honest with your partner and let them know if you think your getting an out break.You may also want to think about going on antiviral therapy and take it regularly. This can help prevent your partner from getting hepers when you don't have out breaks.If you want to you can use condoms in between out breaks, but there is still a small risk of passing hepers in between out breaks and even if condoms are used. If your partner doesn't know they should be informed of your status. There is always a small chance of contracting it but it's not always 100 percent passed on. If he really loves you then it shouldn't matter if he gets hepers, he would want to be with you for who you are.