Hi Saqib, You can use client address sets, but ISA Server is more oriented toward user/group access control, so I think you'll be less than satisfied using client address sets to control users on a per IP address basis, since they can change their addresses so easily. HTH, Tom Thomas W Shinder www.isaserver.org/shinder ISA Server and Beyond: http://tinyurl.com/1jq1 Configuring ISA Server: http://tinyurl.com/1llp -----Original Message----- From: saqib ullah [mailto:bugsdebugger@xxxxxxxxxxx] Sent: Monday, May 12, 2003 4:02 PM To: [ISAserver.org Discussion List] Subject: [isalist] how to authenticate clients throgh ip in ISA http://www.ISAserver.org Hi All. please help me this is my saecond mail for that topic.we are running internet cable we have at least 158 users now please tell me how can i restrict my users throgh ip address.means that if i gave one ip to one user and if they tell me just cut off my line so i a just disable his ip from my server please help i ma very thankful to you becuase there is so much difficult to cut off the lines from the switches. thanx as advance. Saqib _____ Yahoo! Plus - For a better Internet experience <http://uk.rd.yahoo.com/evt=8613/*http://uk.yahoo.com/mail/tagline_plus/ ?http://uk.promotions.yahoo.com/yplus/btoffer.html> ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Exchange Server Resource Site: http://www.msexchange.org/ Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: tshinder@xxxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')