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mekafir
Level 7

The certificate verification failed due to a common name mismatch. error ?

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Hi All,

When browsing to a certain famous or well known website, my users get the following error:

Common Name Mismatch
The certificate verification failed due to a common name mismatch.
Host: search.unimelb.edu.au
Common name: mobile.my.unimelb.edu.au
Subject alternative names: regex(mobile\.my\.unimelb\.edu\.au), regex(mobile-test\.my\.unimelb\.edu\.au), regex(www\.lms\.unimelb\.edu\.au), regex(www\.mobile\.my\.unimelb\.edu\.au)

So I wonder what should I do as the best practice to allow it to browse safely ?

Thanks.

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1 Solution

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asabban
Level 17

Re: The certificate verification failed due to a common name mismatch. error ?

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It is the certificate verification that failes because the certificate offered by the web server does not contain the host name that was requested. Blocking the web site is legit.

To allow the site use the whitelist:

2016-03-09 14_34_30-McAfee _ Web Gateway - MWG7-1 - 10.140.184.111.png

Best,

Andre

3 Replies
c14us
Level 7

Re: The certificate verification failed due to a common name mismatch. error ?

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presume you could take the URL, and at trust manualy. As I recall I've done that before

>Regards

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asabban
Level 17

Re: The certificate verification failed due to a common name mismatch. error ?

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It is the certificate verification that failes because the certificate offered by the web server does not contain the host name that was requested. Blocking the web site is legit.

To allow the site use the whitelist:

2016-03-09 14_34_30-McAfee _ Web Gateway - MWG7-1 - 10.140.184.111.png

Best,

Andre

mekafir
Level 7

Re: The certificate verification failed due to a common name mismatch. error ?

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Thanks and forthe suggestion.

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