TLS redirect security
A note on HTTP-to-HTTPS redirects, what they help with, and where they fall short as a TLS migration strategy.
Browsing tag: networking
Giving FlowBAT a try
First notes on trying FlowBAT and SiLK for flow collection, plus the Ansible roles I published while getting started.
Troubleshooting LLDP
A practical LLDP troubleshooting note for checking what hosts and switches are really advertising.
nsxchecker: Verify the health of your NSX network
Introducing nsxchecker, a Python tool for quickly checking the operational health of NSX logical networks.
Monitoring Edge Node Network Configuration
A checklist of Open vSwitch and XenServer networking details I wanted monitored on hypervisors and edge nodes.
Upgrading Open vSwitch
Notes from upgrading Open vSwitch and the operational care needed around networking changes.
StatsD and multiple metrics
A quick StatsD note on sending multiple metrics efficiently from operational tooling.
The Host Network Stack
A look at the host network stack and the operational details that matter when debugging virtual networking.
Determining Enabled VLANs from SNMP with Python
A practical Python and SNMP approach for discovering which VLANs are enabled on network devices.
Network wiring with XenServer and Open vSwitch
The startup path for a Nova VM on XenServer and the Open vSwitch wiring that happens underneath.