1. T. Oetiker, D. Rand, MRTG: Multi Router Traffic Grapher, http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/mrtg.html.
2. C. Bullard, argus-1.7.beta.1b, ftp://ftp.sei.cmu.edu/pub/argus/.
3. TCP/IP Network Administration;Hunt,1992
4. W.S., Kirchhof, Multi-protocol session analysis, http://nersp.nerdc.ufl.edu/~bill/Thesis/Thesis.html.
5. Lawrence Berkeley National Laboratory, tcpdump 3.4a6, ftp://ftp.ee.lbl.gov.