radzap problem

Hi, I am running FreeBSD5.4 and freeradius 1.0.4 is working fine with radwho and radlast. Problem is when I issue radzap command to any logged user, I get error like " Starting reading configuration file.....port 1813 is used by another radius server". Please help..... Thanks Md. Soheb Ahmed 708 Shahidbagh (First Floor), Dhaka 1217, Bangladesh. Email: soheb707@hotmail.com,soheb707@yahoo.com http://www.geocities.com/soheb707/ __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com