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Mihkel_Roots_15's avatar
Mihkel_Roots_15
Icon for Nimbostratus rankNimbostratus
Mar 18, 2015

Connection error: ssl_select_suite:5745: TLS_FALLBACK_SCSV with a lower protocol (86)

I cant understand how do I get rid of this message. This error causes https webpage errors. Not all the time but about 30% of all connections.   After upgrading SSL cert to ECC cert and ECDSA key,...
SynACk_128568's avatar
SynACk_128568
Icon for Cirrostratus rankCirrostratus
Mar 18, 2015

Hi Mihkel ,

 

Can you please see which cipher suites are sent by client to the F5 when the issue happens and check in wireshark . above ciphers are of F5 client ssl or client ?

 

Thanks

 

  • Mihkel_Roots_15's avatar
    Mihkel_Roots_15
    Icon for Nimbostratus rankNimbostratus
    Mar 19, 2015
    Hi, Client sends Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b) Ciphers above are F5 client ssl ciphers. Thanks for your time :)