David R. Chapman Consulting

David R. Chapman Consulting provides security and network consulting in the Microsoft, Linux, and Cisco environments. I also provide security, networking, Microsoft, Linux, Cisco, and certification training.

I specialize in Cisco network engineering and Microsoft server environments, including Exchange Administration and Microsoft UNIX integration environments. I also have extensive experience in advanced network analysis and troubleshooting including DoS and DDoS mitigation.

Please contact me for information and pricing.