Gijs Lemahieu1709159845 Posted August 19, 2022 Share Posted August 19, 2022 Hi, loadbalancing Exchange was working fine until we hardened Exchange following this article: https://docs.microsoft.com/en-us/exchange/exchange-tls-configuration?view=exchserver-2019 Current situation: - Exchange only accepts TLS1.2 with the recommended TLS 1.2 cipher suites - on ADC (version 13.0.71) I'm using a SSL backend profile (only TLS1.2 enabled, 4 SSL ciphers - which are in the above list configured on Exchange, 'Deny SSL Renegotiation' set to 'NONSECURE') I have tried by setting 'AllowInsecureRenegoClients' and 'AllowInsecureRenegoServers' on Exchange on '0' (following hardening guide) and on '1' (following different articles on internet) but it still doesn't work. I have tried several things and articles (also several posts in this forum) but I don't get it working. An idea would be to re-enable TLS 1.1 again, but this is something I would like to avoid. Someone can help me with this? Thanks! Gijs. Link to comment Share on other sites More sharing options...
Gijs Lemahieu1709159845 Posted August 19, 2022 Author Share Posted August 19, 2022 nevermind, i was able to fix it. The SNI settings were not configured correctly. Regards, Gijs. Link to comment Share on other sites More sharing options...
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