When these two values are the only items listed in the Enhanced Key Usage field, the certificate is in violation of RFC 3280 and should be rejected by SSL clients seeking server authentication. These extensions are intended as a signal to Netscape and Internet Explorer web browsers that they should negotiate 128-bit encryption regardless of the normal capabilities of the client. Some certificate authorities erroneously issue certificates that contain only the following key usage extensions that indicate support for Server-Gated Cryptography (SGC):
![citrix mac ssl error 61 citrix mac ssl error 61](https://www.markbrilman.nl/wp-content/uploads/2012/02/2-selectcert.jpg)
If the Extended Key Usage field is not present in the certificate, the certificate might be considered valid. NetScaler Gateway acts as an SSL server, so Server Authentication (1.3.6.1.5.5.7.3.1) must be listed among the designated key uses if any are present. Also ask the certificate authority to issue a new certificate that contains the following key usage value in addition to any other required values: The system administrator might need to contact the certificate authority who sold the faulty certificate and inform them that the certificate is in violation of RFC 3280. RFC 3280 regarding the Enhanced Key Usage field. Server Certificate is Not RFC 3280 Compliant SSL Error 61 can occur when the server certificate is not compliant with the instructions in Most commercial certificate providers arrange to have their certificates pre-installed on machines through an agreement with the operating system creator (Microsoft, Apple, and so on). This process pairs your client machines with the server machine, and is necessary if you do not use a certificate verified by a commercial SSL certificate provider. If an antivirus is installed on the client machine then ensure that the antivirus trusts the certificate.
Citrix mac ssl error 61 install#
Install the root certificate/intermediate certificate on the client machine. Usually root certificate is present in the certificate bundle provided by your SSL service provider along with intermediate and server certificates. Root certificate/intermediate certificate can be downloaded from your SSL certificate provider's website or can be obtained on request. Complete the following steps to resolve this issue:ĭownload or obtain the SSL root certificate/intermediate certificate (.crt/.cer) file issued by your SSL certificate provider. This error message suggests that the client device does not have the required root certificate/intermediate certificate to establish trust with the certificate authority who issued the NetScaler Gateway server certificate.
![citrix mac ssl error 61 citrix mac ssl error 61](https://progcdn.programatium.com/how-to-fix-smtp-error-on-mac-.jpg)
For information on Receiver feature updates refer to. If this does not resolve the issue then proceed to the next section. Refer to CTX200114 - Citrix Receiver Support for SHA-2 to view the Receiver versions which supports SHA-2 certificates. If you are using SHA2 certificates then the older version of Receiver does not support these certificate.