Expiry Canary add-on: SSL Expiry reminder

This entry is part 3 of 5 in the series Firefox SSL security add-ons

Today, we are going to talk about one of the finest add-ons of Mozilla that plays large role in SSL equipped website. We put more importance on this add-on than previous discussed add-ons because it is related with Expiry of SSL Certificate.

The silliest mistake occurs in business world that runs their website on HTTPS is to forget to renew their certificate. As a result, the whole business suffers drastically. Now the solution in form of Mozilla add-on called “Expiry Canary’ seems to be helpful for those firms, organizations, or companies who have installed SSL Certificate on their server. Know about SSL Certificate expired warning message on browser.

What is Expiry Canary?

Canary means informer, and Expiry Canary informs user before 7 days (by default) about the future expiry of an SSL Certificate. User can set expiry alert as per his choice by changing in preference “extensions.canary.warningPeriod” and even can set list of sites on which Expiry Canary will work.

Cheap SSL

How to change expiry value?

  • Type “about:config” in URL bar.
  • Click on tab “I’ll be careful, I promise!”
  • Paste “extensions.canary.warningPeriod” in search box.
  • Modify value(days) as per your requirements.

By default it’ll show popup message for all websites whose Security Certificate is going to expire in near future. This add-on will tell you about the expiry of certificate of the website you are visiting. It is mostly useful by admin department of company who monitors certificate renewal process to prevent awful mistakes.

Ratings: 5/5
Popularity: More than 160 users

Unfortunately this add-on does not have large number of users but as an SSL Certificate provider we recommend all website owners who accepts online payments and have secured their business website with SSL Certificate should install this add-on in Mozilla Firefox browser.

How to Download?

It is easy to download this useful add-on; the process of download is as under.

  • Open Tool button in Firefox browser.
  • Search under add-on option for “Expiry Canary”
  • Click on green button called “Add to Firefox” to install add-on
  • Additionally you can directly download “Expiry Canary” by visiting addons.mozilla.com

Finally, We would appreciate this add-on because in today’s hectic life, it is very useful if we hear some SSL renewal reminder from such add-on that can help much to e-business especially to retain trust of visitors and clients. Because if enterprise misses to renew SSL certificate, the browser will show SSL warning of expired certificate and tells visitors not to trust such website. Sometimes you may be a victim of cyber attack as well if you forgot to renew your certificate. It influences the whole business profit cycle and users will no longer retain with your website.

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