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Securing Cisco Networks with Snort Rule Writing Best Practices

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Securing Cisco® Networks with Snort Rule Writing Best Practices (SSFRULES) is an instructor-led course offered by Cisco Learning Services High-Touch Delivery. It’s a lab-intensive course that introduces users of open source Snort or Sourcefire FireSIGHT1 systems to the Snort rules language and rule-writing best practices. You will focus exclusively on the Snort rules language and rule writing. Starting from rule syntax and structure to advanced rule option usage, you will analyze exploit packet captures and put the rule writing theories learned to work by implementing rule language features to trigger alerts on the offending network traffic. This course also provides instruction and lab exercises on how to detect certain types of attacks, such as buffer overflows, using various rule writing techniques. You will test your rule writing skills with two challenges: a theoretical challenge that tests your knowledge of rule syntax and usage, and a practical challenge in which you analyze and research an exploiting event, so you can defend your installations against attacks This course combines lecture materials and hands-on labs throughout to make sure that you are able to successfully understand and implement open source rules.

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  • Describe the Snort rule development process
  • Describe the Snort basic rule syntax and usage
  • Describe how traffic is processed by Snort
  • Describe several advanced rule options used by Snort
  • Describe OpenAppID features and functionality
  • Describe how to monitor the performance of Snort and how to tune rules


Das Training SSFRULES ist folgenden Themen zugeordnet:



This course is designed for technical professionals who need to know how to write rules and understand open source Snort language. The primary audience for this course includes:• Security administrators• Security consultants• Network administrators• System engineers• Technical support personnel• Channel partners and resellers


• Technical understanding of TCP/IP networking and network architecture• Working knowledge of how to use and operate Cisco SourcefireR Systems or open source Snort• Working knowledge of command-line text editing tools, such as the vi editor• Basic rule-writing experience is suggested

Dauer und Zeiten

3 Kurstage


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