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Whose CIDR is it anyway?

Use of HTTPS Resource Records

The gTLDs' New Clothes - A Look at Centralization in Naked Domains

Who reads your email?

Email Validation Logic is Wrong (2021)

Who Controls the Internet? Authoritative NS Records in gTLDs

Time is an illusion, Unix time doubly so

CS631 – Advanced Programming in the Unix Environment

Whois: Fragile, Unparseable, Obsolete

The Sender Policy Framework (SPF)

(A Few) Ops Lessons We All Learn the Hard Way (2020)

What’s the maximum size of a DNS response?

Advanced Programming in the UNIX Environment

If Programming Languages Were Futurama Characters

The Art of Plain Text (2015)

Basic Network Troubleshooting

Passing Passwords (2015)

Infosec Skill Sets

CPU Pinning and CPU Sets

IPC Buffer Sizes

Uninitialized Stack Variables

IPv4 addresses are silly, inet_aton(3) doubly so

What’s in a hostname?

There is no 'printf'

Writing Consistent Tools (2019)

TLDs -- Putting the 'Fun' in the top of the DNS

(All) DNS Resource Records

Infosec Core Competencies

URLs: It's Complicated

Email Validation Logic Is Wrong

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