Hi Faizal, By default, you cannot ping the external interface from an external client. If you can, then packet filtering has not been enabled. Enable it now. HTH, Tom Thomas W Shinder www.isaserver.org/shinder <http://www.isaserver.org/shinder> ISA Server and Beyond: http://tinyurl.com/1jq1 <http://tinyurl.com/1jq1> Configuring ISA Server: http://tinyurl.com/1llp <http://tinyurl.com/1llp> -----Original Message----- From: Faizal Khan [mailto:mis@xxxxxxxxxxxxxx] Sent: Thursday, February 06, 2003 9:15 AM To: [ISAserver.org Discussion List] Subject: [isalist] Blocking Incoming Ping http://www.ISAserver.org ISA List, Can anyone guide me on blocking incoming ping request from the internet? I was creating a packet rule of ICMP Ping request, but I was still able to ping my external card. Thanks! With Kind Regards, Khan ____________________________ Faizal Khan MIS Manager Guyana Forestry Commission 1 Water Street, Kingston, Georgetown, GUYANA. Tel : + (592) 226-7272 Fax : + (592) 226-8956 Email: Forestry.mis@xxxxxxxxxxxxxxxxx Website: http://www.forestry.gov.gy <http://www.forestry.gov.gy/> ------------------------------------------------------ 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')