It's probably a Googlebot invoking the WA CGI. You will have better success blocking access at your web server or firewall. >>> <[log in to unmask]> 5/27/2007 7:12 PM >>> Since at least midnight today , every few seconds we're seeing 27 May 2007 20:03:16 To [ANONYMOUS]@LISTSERV.SYR.EDU: ***LOGIN*** 27 May 2007 20:03:17 From [ANONYMOUS]@LISTSERV.SYR.EDU: X-LOGCK 14BF5837AF8379B229 AUTHINFO(66.249.67.57) ORGINFO(66.249.67.57) 66.249.67.57 is registered to Google. Any ideas what is going on? Any techniques I can use to shut this off? I tried adding a filter *@66.249.67.57, but that doesn't seem to stop it. Thanks, Nelson -- Syracuse University Listserv List Manager -- Listserv webpage: http://listserv.syr.edu