I get alert from event viewer and isa server abt intrusion. When i check the log i get msg of IPhalfScan from an external ip. what is actually IPhalfScan means. Pls tell me ____________________________________________ Brajesh Ranjan Panda Divas Offshore Software Technologies (P) Ltd. N-1/3, DLF Phase-II Gurgaon-122002, INDIA. Telephone: +91-124-501880-1 to 8 Fax/Voice-mail: +91-124-5018044 Web: www.divassoftware.com ____________________________________________