[analog-help] analog on an intranet with dhcp

[analog-help]

Hi everybody I am currently trying to exploit our IIS server logs to get manageable usage reports of the company intranet : analog looks like just the right tool to do this! but the catch is, I have been asked to identify each user by his computer host name. I thus have to use some kinf of DNS lookup to convert the IP address contained in the log files into a host name. Unfortunately, we are using DHCP assigned IPs, so the relationship between an IP and a host name is kind of time-dependent. I have access to a log file which traces the IP changes of every connected host, it looks like :   <hostname>;<IP>;04/02/02  19:29:36 <hostname>;<IP>;04/02/02  19:30:48 <hostname>;<IP>;04/03/02  11:28:59 etc...   I was wondering if there was a way to use this as a kind of dns cache file, maybe by converting the date/time into a timestamp? anyway, I need to resolve the IPs in my IIS log to the host that was using it at that time, so I would really apreciate it if someone could tell me wether I have any chance of success using this DHCP log with analog, or if I should try to find another piece of software which would make my life easier :-) thanks a lot for any suggestions   kindly Bruno