fiz o comando tail e me retornou isso:
jonathas@server:~$ sudo tail -777 /var/log/apache2/access.log
192.168.1.6 - - [24/Jun/2013:14:43:46 -0300] "OPTIONS / HTTP/1.1" 200 229 "-" "DavClnt"
192.168.1.6 - - [24/Jun/2013:14:43:47 -0300] "OPTIONS / HTTP/1.1" 200 229 "-" "DavClnt"
192.168.1.6 - - [24/Jun/2013:14:43:47 -0300] "OPTIONS / HTTP/1.1" 200 229 "-" "DavClnt"
192.168.1.6 - - [24/Jun/2013:14:43:50 -0300] "OPTIONS /programas%20clientes HTTP/1.1" 200 193 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:14:43:50 -0300] "PROPFIND /programas%20clientes HTTP/1.1" 405 601 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:14:43:50 -0300] "PROPFIND /programas%20clientes HTTP/1.1" 405 601 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:14:43:50 -0300] "PROPFIND /programas%20clientes HTTP/1.1" 405 602 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:14:43:50 -0300] "PROPFIND /programas%20clientes HTTP/1.1" 405 601 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:14:43:50 -0300] "PROPFIND /programas%20clientes HTTP/1.1" 405 601 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:14:43:50 -0300] "PROPFIND /programas%20clientes HTTP/1.1" 405 601 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:14:43:52 -0300] "PROPFIND /programas%20clientes HTTP/1.1" 405 601 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:15:03:05 -0300] "OPTIONS /bkp%2002 HTTP/1.1" 200 193 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.6 - - [24/Jun/2013:15:03:05 -0300] "PROPFIND /bkp%2002 HTTP/1.1" 405 589 "-" "Microsoft-WebDAV-MiniRedir/6.1.7601"
192.168.1.2 - - [25/Jun/2013:10:03:13 -0300] "GET /monitorix/ HTTP/1.1" 200 1601 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:03:13 -0300] "GET /monitorix/logo_top.png HTTP/1.1" 304 187 "
http://192.168.1.254/monitorix/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:03:14 -0300] "GET /monitorix/monitorixico.png HTTP/1.1" 304 187 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:03:16 -0300] "GET /monitorix-cgi/monitorix.cgi?mode=localhost&graph=all&when=1day&color=black HTTP/1.1" 500 641 "
http://192.168.1.254/monitorix/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:03:20 -0300] "GET /favicon.ico HTTP/1.1" 404 504 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:03:45 -0300] "GET /monitorix-cgi/monitorix.cgi?mode=localhost&graph=all&when=1day&color=black HTTP/1.1" 500 641 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:03:48 -0300] "GET /favicon.ico HTTP/1.1" 404 504 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:03:57 -0300] "GET /monitorix-cgi/monitorix.cgi?mode=localhost&graph=all&when=1day&color=black HTTP/1.1" 500 641 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:04:00 -0300] "GET /favicon.ico HTTP/1.1" 404 504 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:04:59 -0300] "GET /monitorix-cgi/monitorix.cgi?mode=localhost&graph=all&when=1day&color=black HTTP/1.1" 500 641 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:05:02 -0300] "GET /favicon.ico HTTP/1.1" 404 504 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:05:32 -0300] "GET /monitorix-cgi/monitorix.cgi?mode=localhost&graph=all&when=1day&color=black HTTP/1.1" 500 641 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
192.168.1.2 - - [25/Jun/2013:10:05:36 -0300] "GET /favicon.ico HTTP/1.1" 404 504 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36"
mas não entendi o que fazer agora...