HP 635n Practical IPsec Deployment for Printing and Imaging Devices - Page 100

Public Key Infrastructure and Public Key Certificate Basics

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Public Key Infrastructure and Public Key Certificate Basics Have you ever see a warning dialog shown in Figure 44 when using https:// (e.g., going to any secure web site, such as a login or shopping cart) in a web browser? Figure 44 - Security Alert This dialog is entitled "Security Alert" and it talks about something called a "security certificate". What is a security certificate? Well, a security certificate is there to help identify the web site as one that can be trusted. However, the Security Alert dialog is telling us that we may not want to trust this security certificate - which indirectly means that this web site may not be the web site we think it is. There are two warning icons associated with this dialog. The help text by the first warning icon prompts us to view the certificate. Let's click on "View Certificate". Figure 45 - Certificate Details 100

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100
Public Key Infrastructure and Public Key Certificate Basics
Have you ever see a warning dialog shown in Figure 44 when using
https://
(e.g., going to any
secure web site, such as a login or shopping cart) in a web browser?
Figure 44 – Security Alert
This dialog is entitled “Security Alert” and it talks about something called a “security certificate”.
What is a security certificate?
Well, a security certificate is there to help identify the web site as one
that can be trusted.
However, the Security Alert dialog is telling us that we may not want to trust this
security certificate – which indirectly means that this web site may not be the web site we think it is.
There are two warning icons associated with this dialog.
The help text by the first warning icon
prompts us to view the certificate.
Let’s click on “View Certificate”.
Figure 45 – Certificate Details