Semih Gokalp wrote: > .... > Do you know which hardware can i use for NIDS ? I am waiting your > advice and suggestion. > my suggestion is, this question has nothing to do with CentOS. you might try google, http://www.google.com/search?hl=en&q=hardware+intrusion+detection+system or something like Gartner reports, which evaluate IT systems for enterprises ($$$)