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Why do I receive the Error: "RSA server certificate CommonName (CN) 'www.domain.com' does NOT match server name"?

Résumé

This technote describes the cause of Error: "RSA server certificate CommonName (CN) 'www.domain.com' does NOT match server name" on Apache


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You may receive the following error when starting up Apache:

"RSA server certificate CommonName (CN) 'www.domain.com' does NOT match server name"

This will occur if port 443 was added to both the ServerName and VirtualHost directives and if the Server Name does not match the domain name on the certificate.

To resolve this remove :443 from the servername.
<VirtualHost 192.204.135.134:443>
ServerName www.domain.com:443
DocumentRoot /home/directory/html
SSLEnable
SSLCertificateFile /www.domain.crt
SSLCertificateKeyFile /www.domain.key
</VirtualHost>

The VirtualHost example below is the correct method of using an SSL enabled VHost.  As you can see :443 has been removed from the ServerName parameter.

<VirtualHost 192.204.135.134:443>
ServerName www.domain.com
DocumentRoot /home/directory/html
SSLEnable
SSLCertificateFile /www.domain.crt
SSLCertificateKeyFile /www.domain.key
</VirtualHost>

If you have any questions or concerns please contact the Entrust Certificate Services Support department for further assistance:

Hours of Operation:
Sunday 8:00 PM ET to Friday 8:00 PM ET
North America (toll free): 1-866-267-9297
Outside North America: 1-613-270-2680 (or see the list below)
NOTE: Smart Phone users may use the 1-800 numbers shown in the table below.
Otherwise, it is very important that international callers dial the UITF format exactly as indicated. Do not dial an extra "1" before the "800" or your call will not be accepted as an UITF toll free call.

Pays Number
Australie 0011 - 800-3687-7863
1-800-767-513
Autriche 00 - 800-3687-7863
Belgique 00 - 800-3687-7863
Danemark 00 - 800-3687-7863
Finlande 990 - 800-3687-7863 (Telecom Finland)
00 - 800-3687-7863 (Finnet)
France 00 - 800-3687-7863
Allemagne 00 - 800-3687-7863
Hong Kong 001 - 800-3687-7863 (Voice)
002 - 800-3687-7863 (Fax)
Irlande 00 - 800-3687-7863
Israël 014 - 800-3687-7863
Italie 00 - 800-3687-7863
Japon 001 - 800-3687-7863 (KDD)
004 - 800-3687-7863 (ITJ)
0061 - 800-3687-7863 (IDC)
Corée 001 - 800-3687-7863 (Korea Telecom)
002 - 800-3687-7863 (Dacom)
Malaisie 00 - 800-3687-7863
Pays-Bas 00 - 800-3687-7863
Nouvelle-Zélande 00 - 800-3687-7863
0800-4413101
Norvège 00 - 800-3687-7863
Singapour 001 - 800-3687-7863
Espagne 00 - 800-3687-7863
Suède 00 - 800-3687-7863 (Telia)
00 - 800-3687-7863 (Tele2)
Suisse 00 - 800-3687-7863
Taïwan 00 - 800-3687-7863
Royaume-Uni 00 - 800-3687-7863
0800 121 6078
+44 (0) 118 953 3088