Viewing the Access Log 81can change the password by clicking Change Password and entering thenew password.10 If you want to test and upload the Access Log now, click FTP Now. Enter afilename for the log and click OK. The filename can only containalphanumeric and . (dot), - (hyphen) or _ (underscore) characters and canonly be up to 32 characters in length.Clicking FTP Now will immediately FTP the currently active Access Log tothe FTP server. This allows you to test your FTP settings or to save theAccess Log without waiting for the next automatic FTP. Since theWebcache may still be writing to the Access Log, using FTP Now mayresult in an incomplete record at the end of the saved Access Log.If no client machines have accessed a Web site through the Webcachebefore you click FTP Now, then an empty log file will be saved on the FTPserver.Viewing the AccessLogTo view the Access Log using the Web interface:1 Log in to the Web interface.2 Click Device View on the Toolbar.3 Select System -> Caching -> View Access Log in the Navigation Tree.4 The last 256 lines of the Access Log are displayed.Click Refresh to update the information that is displayed.If the Webcache is deployed in Proxy mode, multiple entries for the pagesin the Web interface itself will be made in the Access Logs. This isstandard behavior for the Webcache, as it is "seeing" the requests for theWeb interface pages and logging these requests in the Access Logs. Youshould either leave the Web Interface open for only short periods of timeto reduce the entries made, or use a log analyzer tool such as Webtrendsto view and analyze the Access Logs.Analyzing theAccess LogsThe access logs that have been saved on the FTP server are based on thenative Squid format. This is optimized for efficient generation and can beanalyzed using a wide variety of off-the-shelf log analysis tools.
