Here is my log and I just want to be sure I know what I'm looking at. Should I have any concerns? Should I alert my "users" listed here of something on their end to be concerned of? Sorry about my ignorance on this stuff. Just want to be as safe as possible.
2005/8/30 12:02:58 ryov 67.181.186.193
IE 6.0Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322) DoS
2005/8/30 8:18:26 olewis28 24.127.168.41
IE 6.0Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) CRAWLER
2005/8/30 8:16:48 olewis28 24.127.168.41
IE 6.0Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) DoS
2005/8/25 13:40:15 Guests 67.182.121.190
IE 6.0Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322) DoS
2005/8/24 10:07:56 jbrannan 66.27.140.171
Firefox/1.0Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0 DoS
2005/8/23 8:11:52 rlapin 206.78.137.38
IE 6.0Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) DoS
2005/8/21 16:37:52 Guests 12.149.102.19
IE 6.0Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322) DoS
2005/8/20 22:20:36 Guests 217.20.113.110
Mozilla/3.0Mozilla/3.0 (compatible; Indy Library) CRAWLER
2005/8/17 16:58:03 Guests 67.181.231.197
IE 6.0Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322) CRAWLER

Thank you for your help and your super program!