ISA server log Intrution detection
every few minutes our ISA server log shows the following message. Caould you tell me how to block this.
2004-02-16 00:35:23 68.72.161.34 - 192.168.150.200 80 SEARCH /AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA?????????????????????????????????????####??????????rmomddddddisjhnegdddddddlohddplokdepnqlojldlloskjndiimrlimddddddrfsmlgrpehggpdidjlfrjikljijljljskgkhjlipkgkjjgloqpidjndjjndfididjlddddddhdigssejlgslsskhfmlosljnddlopjlgpdelidloilspiglgpddhidikssijdhidikssijdlillipdkhdmloqpggpdidigssijdpssijedieijlohigploihflkldgqiiflokffddgsiggpmhmhenqdgpiggqodsoredgnqjkhdlpepodqdgqnhdrosegoeskirkinloinfhdgqqjjlodpholoinepdgqqlodhlodgpinoirimpgrlhfssssssniekddkpeskmdnrlsomksqdsmlsrlndrrsprrdjdddgfddddddddddddhqinmddddgdddddddhddddddssssddddolddddddddddddddhdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddrldddddddresondrddohdmpqfeoldehppqfeihjljmkgfdkdkfjsjkkfjejqfdjgjejrjrjskhfdjfjifdkfkijrfdjmjrfdhhhsigfdjqjsjhjifrdqdqdnfhddddddddddddddnigldipkreimjomhreimjomhreimjomhmnhijkmhrgimjomhjfhijimhrgimjomhlrhjjemhrnimjomhlrhjjsmhrgimjomhreimjnmhljimjomhjfiegjmhrlimjomhrkknjdmhrdimjomhifjmjgjlreimjomhddddddddddddddddddddddddddddddddddddddddddddddddidhiddddhpdedgddjgkinpkdddddddddddddddddrddddsdedodeqloiddgdddddddedddddddmdddddndpnddddddndddddddqdddddddddhdddddeddddddddfdddddhdddddddddddddddhddddddddddddddddrddddddddhdddddddddddddgddddddddddedddddedddddddddedddddedddddddddddddedddddddddddddddddddddddddqdddddgldeddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddmdddddddeddddddddddddddddhddddddddddddddddddddddddddddldddddrdddddddddddddddddddgddddddd