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Continue to ChatCSG (Citrix Secure Gateway): The server certificate specified is unusable https://www.shalm.de/blog/2008/03/29/csg-citrix-secure-gateway-the-server-certificate-specified-is-unusable/
CSG (Citrix Secure Gateway): The server certificate specified is unusable https://www.shalm.de/blog/2008/03/29/csg-citrix-secure-gateway-the-server-certificate-specified-is-unusable/