Security

Networking · 12 min read

ARIN at CHI-NOG 13: The State of Routing Security

2026.06.09

I sat in Brad Gorman’s RPKI workshop at CHI-NOG 13 with the kind of attention you give a talk when somebody on stage just admitted the security model has known holes.

Security · 2 min read

Debating SSL Decryption in 2024

2024.02.16

Yet another day brings another meeting about another security product recommending SSL Decryption at our network edge.

Automation & Tools · 2 min read

Ixia Vision ONE – Tap the Planet

2017.02.15

Whenever I start talking about network visibility and aggreagation taps I can’t help but think of The Matrix.

Security · 7 min read

Cisco IPS Fun

2012.03.30

Since I’ve recently had some fun working with the Cisco 5585-X and the IPS blades, I wanted to document some of the information I learned while getting them online.

Security · 8 min read

Best Practices and Securing Cisco IOS

2011.09.06

Everyone has different views on hardening IOS, and while I do not claim to be an expert, these are the practices that I commonly use when bringing up a new device.

Security · 2 min read

Time-based ACLs

2011.04.25

Ever since Cisco released IOS 12.0.1T we’ve had the ability to broaden the reach of the extended ACL to allow the influence of time.

Security · 2 min read

BGP Security Tips (updated)

2009.08.11

For some, BGP is a rather large obtrusive beast of a protocol that scares them half to death.