TLS on 5520 9.1(7)

[baselzind]

the customer have 5520 with 9.1(7)

the customer is asking if he can switch from TLS 1 to TLS 1.2 , my question is what is TLS 1 and what is job exactly? and is it possible to switch to TLS 1.2 on his current setup?

PS:the customer isnt using any vpn

[Flavio Miranda · Accepted solution]

Hi @baselzind

TLS v1.2 is supported from ASA version 9.3 and newer only.

About TLS.

TLS is not used only for VPN on ASA, although this is the most.common usage.

-If I helped you somehow, please, rate it as useful.-

[baselzind]

the customer has asked me if it is possible to disable or close the TLS , can you please tell me what is the TLS used for ? some colleague told me it is used for ASDM? also how do i close it?

[Ankit_Tripathi]

Hi Falvio.

I'm having Cisco Adaptive Security Appliance Software Version 9.0(4)42 and only TLS V1 is supported.

Also I'm Having Cisco Adaptive Security Appliance Software Version 9.12(4)4 where tlsv1.2 is supported, so what is minimum OS version to Support TLS1.2 is still in question.  

[Marvin Rhoads]

@Ankit_Tripathi , as @Flavio Miranda correctly noted (5 years ago) ASA 9.3 or later is required for TLS 1.2 support.