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Subject-Matter Expertise: Network Security

I do not specialize in network security, but I have a solid knowledge and a fair amount of experience with network security and related topics.

Below is a brief summary of my network security related experience:

From 1988 to 1990, I was Boeing’s respresentative at NIST (National Institute of Standards and Technology) for X.500 and X.509 PKCS (Public Key Cryptography Systems). I have a solid understanding of the original specifications of X.509 in the Red/Blue/White Books (ITU, CCITT and ISO/OSI). I was also directly involved in selection and deployment of X.509 products within the Boeing office.
In the late 1990s and 2000s, I followed and participated in IETF (Internet Engineering Task Force) activities and specifications (RFCs) related to creation of public and private Public Key Infrastructures.
I have followed Zimmerman’s work on Pretty Good Privacy from its beginnings and have assisted with deployments of GPG (Gnu Privacy Guard) within SMBs and large enterprises.
I have assisted with planning and deployment of Secure MIME in multi-vendor email environments.
I have a good understanding of the protocols and use of the related libraries. For example, I integrated openssh with GIT for easy and secure common usage.
I have basic familiarity with Layer 3 related security protocols.
I have deployed and configured VPN services based on openvpn for a number of Small-Businesses. I am also quite familiar with Cisco’s vpn product and its interoperability with open-source clients.
DTLS, Connection-Less Authentication and Confidentiality:
In the context of MQTT and IoT (Internet of Things), I am familiar with DTLS. I am in the process of updating RFC-2188 (ESRO) that I authored in 1999 to use DTLS.
Firewalls, Network Monitoring, Intrusion Detection, Rootkits:
In the context of operating a medium size data center, I have a fair amount of parctical experience with Linux tools for hardening hosts and monitoring private networks.

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