Links

DNS Recon:

• DNS Dumbster (dns recon & research, find & lookup dns records)
• Good “how-to” on DNS enumeration with Metasploit
• Very good on-line scanner to test HTTP security headers

Regex

• 30 Regex Code Snippets All Web Developers Should Know

Security headers

• CSP builder
• securityheaders.io

Vulnerabilities

• CVE

Black Lists

• Good collection of BLs

Syntax validators

• JSON

F5 stuff

• iRule Event Order
• iRule Event Order (HTTPS/SSL)
• iRule Event Order (APM)

PKI

• Windows 2012 PKI build – part 1
• Windows 2012 PKI build – part 2