On Thu, May 14, 2009, James B. Byrne wrote: >Over the weekend one of our servers at a remote location was >hammered by an IP originating in mainland China. This attack was >only noteworthy in that it attempted to connect to our pop3 service. You might look at fail2ban which can automatically create iptables blocks when things like this happen. Bill -- INTERNET: bill at celestial.com Bill Campbell; Celestial Software LLC URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way Voice: (206) 236-1676 Mercer Island, WA 98040-0820 Fax: (206) 232-9186 Skype: jwccsllc (206) 855-5792 Manual, n.: A unit of documentation. There are always three or more on a given item. One is on the shelf; someone has the others. The information you need is in the others. -- Ray Simard