Archive
2024
January
- January 4, 2024 » About password security and credential stuffing
2020
December
- December 31, 2020 » Books 2020
2019
December
- December 30, 2019 » 2019 Books
2017
January
- January 16, 2017 » Book Report: Machete Season
- January 2, 2017 » Summary of Pol Pot: Anatomy of a Nightmare
2015
September
- September 17, 2015 » CCIE Recert Should Be Like Wilderness Medicine Recert
July
- July 15, 2015 » Installing netmiko on Windows
- July 14, 2015 » Extracting Traffic from Rolling Capture Files
May
- May 15, 2015 » More ADN (Awk Defined Networking)
April
- April 24, 2015 » ADN - Awk Defined Networking
March
- March 27, 2015 » Quick Example: Elasticsearch Bulk Index API with Python
- March 1, 2015 » Filtering .raw fields with Python Elasticsearch DSL High-Level Client
February
- February 12, 2015 » Experimenting with the CSR1000v REST API
January
- January 15, 2015 » Pleasing terminal colors on Security Onion
- January 8, 2015 » Problems with kvm-ok in VIRL with VMWare Player
- January 2, 2015 » My Network Toolkit
2014
December
- December 5, 2014 » Imposing Artificial Limitations to Develop Skills
July
- July 2, 2014 » Simple Python Syslog Counter
June
- June 20, 2014 » Python Sets: Handy for Network Data
April
- April 2, 2014 » Fun with Router IP Traffic Export and NSM
March
- March 21, 2014 » Quick Thoughts on the Micro Data Center
- March 6, 2014 » Packet Capture in Diverse / Tunneled Networks?
February
- February 14, 2014 » Programmatically Configuring Interface Descriptions from Phone Descriptions
January
- January 20, 2014 » Why Network Engineers Should Learn Programming
- January 17, 2014 » Quick Thoughts on Learning Python
- January 8, 2014 » Using Bro DNS Logging for Network Management
- January 2, 2014 » New Year Resolution: Code Cleanup
2013
November
- November 8, 2013 » Handy Tshark Expressions
- November 2, 2013 » How to Tell if TCP Payloads Are Identical
October
- October 16, 2013 » Java is to JavaScript as Car is to Carpet - a Beginner's Guide
August
- August 2, 2013 » Understanding Flow Export Terminology
May
- May 6, 2013 » Convert Hex to Decimal in IOS
March
- March 29, 2013 » Friday Distraction: Who's Leaking >/24 to Global BGP?
- March 9, 2013 » Quick Tip: Improvised File Transfer
- March 4, 2013 » An Operational Reason for Knowing Trivia
January
- January 27, 2013 » Baby Bro, Part 3: Containers and Loops
- January 24, 2013 » Cisco Ironport WSA with WCCP and IP Spoofing
- January 20, 2013 » Baby Bro, Part 2: Conditionals, Address Types
- January 16, 2013 » Baby Bro, Part 1: Functions Etc.
- January 15, 2013 » Basic Bro Language References
- January 14, 2013 » Changes!
- January 12, 2013 » "Hello World" in Bro IDS
2012
November
- November 14, 2012 » Rebooting Routers and Random Search Engine Fodder
October
- October 25, 2012 » Walk on the Wild Side: VoIP over VPN over Internet
- October 18, 2012 » Excellent SANS Series on Windows Password Security
August
- August 22, 2012 » Tip for Solarwinds NCM Users Facing SmartNet Renewals
- August 21, 2012 » IOS Quick Tip: Find Never Used Switch Ports
- August 9, 2012 » BroExchange 2012 Linkfest
July
- July 27, 2012 » Active Directory and ASA LDAP Authentication
- July 1, 2012 » CiscoLive 2012 Rundown
April
- April 27, 2012 » CUCM CDR Cause Codes
- April 18, 2012 » Cisco IOS 15.2M and 15.2T Command Reference & Configuration Guides
- April 16, 2012 » CCIE: Five Year Reflections
- April 13, 2012 » Thoughts on Udacity CS101
- April 5, 2012 » Why NetFlow Isn't A Web Usage Tracker
March
- March 30, 2012 » Configure Windows IP Addressing from Command Prompt
- March 10, 2012 » Collection of vim Tips
- March 8, 2012 » PyLab with iPython on MacOS X 64-bit
February
- February 11, 2012 » Cisco CDR Timestamp and IP Address Conversion
January
- January 29, 2012 » Amusement: Python and Netmasks
2011
December
- December 29, 2011 » Jekyll Introduction
- December 21, 2011 » Find Unique Interface Configs on Switches
November
- November 10, 2011 » Summarize Router Throughput in Packets/Second
June
- June 10, 2011 » Zone Based Firewall Configuration Example
May
- May 23, 2011 » Links of Interest
- May 13, 2011 » Reverse DNS Lookups with Python
April
- April 8, 2011 » Converting text to number in Excel
January
- January 12, 2011 » Find Active Hostnames Per Network
- January 4, 2011 » Troubleshoot Your Corporate-Speak
2010
December
- December 17, 2010 » Generate DNS Import from Solarwinds Orion NCM
- December 6, 2010 » Encrypted GRE Tunnel with ASA for Encryption Offload
- December 2, 2010 » Detecting a Transparent Proxy with Wireshark/Tshark
November
- November 18, 2010 » playing with VLAN-based QoS
October
- October 28, 2010 » Links to Network World Blog Posts
September
- September 28, 2010 » Counting Regex Matches on Catalyst Switches
July
- July 3, 2010 » Cisco Live 2010
May
- May 6, 2010 » guest blogging
April
- April 16, 2010 » Dan Geer on Cybersecurity
- April 9, 2010 » Wireshark Network Analysis
January
- January 5, 2010 » computer crime and the small/medium business
2009
December
- December 31, 2009 » predicting reload times on Catalyst 3560/3750
- December 21, 2009 » ACLs and TCAMs in Catalyst Switches
- December 15, 2009 » ten steps of small LAN design
- December 15, 2009 » incoming dial-peers
- December 9, 2009 » simple exclusion filters
June
- June 23, 2009 » RIP database and administrative distance
- June 10, 2009 » Cisco IPS Manager Express
- June 10, 2009 » open ports on IOS router
March
- March 3, 2009 » how to clone a VM in the free VMWare ESXi
- March 1, 2009 » steps to install Bro IDS on Ubuntu
February
- February 26, 2009 » How to Install dig for Windows
2008
November
- November 19, 2008 » port-map feature
- November 13, 2008 » in-line editing of Cisco ACLs
October
- October 29, 2008 » GRE tunnels and OSPF adjacencies
- October 17, 2008 » IP phones show bogus "unknown" status in UCM
- October 13, 2008 » certification musings
- October 9, 2008 » update on yesterday's application weirdness post
- October 8, 2008 » Weird application interactions
- October 8, 2008 » Unity and Multiple Active Directory Domains
September
- September 16, 2008 » Changes don't take effect in UCM 6
May
- May 31, 2008 » Unity Permissions Wizard Stuff to Remember
April
- April 18, 2008 » Trivia Friday: ip subnet-zero
- April 14, 2008 » CallManager Trace Decoding Tools
- April 1, 2008 » changing IP address on Unity Express
March
- March 14, 2008 » troubleshooting basic POTS calls on a router
- March 14, 2008 » DSCP Confusion
- March 14, 2008 » IPv6 at IETF
- March 14, 2008 » MBXSuite tool for troubleshooting Unity mailbox issues