Hi @all, it´s my first post to this mailing list. I hope someone can help me. Tcpdump on my debian sarge runs 1 month. I rotate every 20 mb my Logfile. Now I will analyse all this 59 files. How can I do this fast and efficient Mit freundlichen Grüßen Sven Jansen -- Technik Sven.Jansen@xxxxxx ebner & martin informationssysteme gmbh http://www.eum.de