Automatic provisioning of a Yealink T29G

The Cisco 7960G is an adequate enough VoIP device, but it is rather long in the tooth. Just like IBM, no-one ever got fired for buying Cisco (probably because if you can afford to buy Cisco, you're most likely in a large organisation with so much capital expenditure that Cisco's prices are a drop in … Continue reading Automatic provisioning of a Yealink T29G →

2048 bits off more than iLO 4 can chew

Any good administrator knows that public key authentication for SSH is better than using passwords, and longer keys are better than shorter keys. Well, someone might want to let Hewlett Packard know. The latest version of HP's Integrated Lights-Out 4 (version 2.55) will happily accept a 4096-bit public key for SSH authentication. There won't be … Continue reading 2048 bits off more than iLO 4 can chew →

Using OpenWRT / LEDE for Out-of-Band Management

My day job is IT security for large, blue-chip organisations. I usually work on diverse, heterogeneous networks and have to remember which commands, menus, and options are applicable to whichever piece of equipment I might be using at the time. There ain't no such thing as a single standard, so it's important that I retain … Continue reading Using OpenWRT / LEDE for Out-of-Band Management →

Cisco 7960G BTXML Error – HTTP 200 or 404?

Today I learned that the directory XML file used by the Cisco 7960G IP phone doesn't work from all web servers. It seems that the 7960G is fussy about which HTTP response codes it accepts, and that an HTTP 200 response might not be the correct HTTP 200 response. Hosting the directory XML file on … Continue reading Cisco 7960G BTXML Error – HTTP 200 or 404? →