INTEL WIRELESS
Wired Stuff
WiFi Tablet Corner
My80211 White Papers (Coming Soon!)

Cisco Wireless Compatibility Matrix (Nov. 2011)

Podcasts / Videos

My80211 Videos

Cisco: 802 11 frames with Cisco VIP George Stefanick

Fluke Networks: Minimize Wi Fi Network Downtime

Aruba: Packets never lie: An in-depth overview of 802.11 frames

ATM15 Ten Talk “Wifi drivers and devices”

Houston Methodist Innovates with Wireless Technology

Bruce Frederick Antennas (1/2)

 

Bruce Frederick dB,dBi,dBd (2/2)

Cisco AP Group Nugget

Social Links
Revolution WiFi Capacity Planner

Anchor / Office Extends Ports

 

Peek Inside Cisco's Gear

See inside Cisco's latest wireless gear!

2.4 GHz Channel Overlap

EXAMPLE 1  

EXAMPLE 2

EXAMPLE 3  

CWSP RELEASE DATE 2/08/2010
  • CWSP Certified Wireless Security Professional Official Study Guide: Exam PW0-204
    CWSP Certified Wireless Security Professional Official Study Guide: Exam PW0-204
    by David D. Coleman, David A. Westcott, Bryan E. Harkins, Shawn M. Jackman

    Shawn Jackman (Jack) CWNE#54 is a personal friend and has been a mentor to me for many years.  I've had the pleasure and opportunity to work with Jack for 4 years. Jack is a great teacher who takes complex 802.11 standards and breaks them down so almost anyone can understand the concept at hand. I'm excited for you brother. Great job and job well done! Put another notch in the belt!

IEEE 802.11a/g/n Reference Sheet

 

LWAPP QoS Packet Tagging

 

 

Interference Types

BLUETOOTH
 

Microwave Oven
 

Cordless Phone

JAMMER!
 

« A closer look at Apple MAC Book Pro Enterprise Roaming - SKC and OKC | Main | Optimize CB21AG/PI21AG Roaming Behavior »
Monday
Jan032011

Firefox and WLC Certificate Issues

Have you tried to log into a Cisco WLC with Firefox and get an annoying certificate conflict message? No worries you can fix it !

Firefox collects certificates and will compare incoming certificates. If these certificates match but come from different sources Firefoxs throws the annoying certificate conflict message.

The HTTPS certificate on the WLC lives at MANAGEMENT-->HTTP-->CURRENT CERTIFICATE

Where the problem arrives, controllers shipped in batches appear to have the same identical certificates. This could be because they “blast” the firmware on the boxes in the manufacturing process.

An example of a factory provided certificate is below. First noticed there is no CN information and the validation date is way off.  This same certificate was on all the controllers in the batch.

The first controller you log into Firefox would accept and store this certificate. However, any controller you attempted to log into afterward would receive a certificate conflict.

 

So, how do we fix this issue? It's very simple …

After you configure your WLC with an IP address. Simply go to MANAGEMENT-->HTTP and click on regenerate certificate.  It will fill in a proper validation date and more specific CN information giving the certificate its true identity. However, this does require a controller reboot. So schedule accordingly. Below is a regenerated certificate.



 

Thats it! It should work now! Enjoy ....

Reader Comments

There are no comments for this journal entry. To create a new comment, use the form below.

PostPost a New Comment

Enter your information below to add a new comment.

My response is on my own website »
Author Email (optional):
Author URL (optional):
Post:
 
Some HTML allowed: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <code> <em> <i> <strike> <strong>