18.8.5.2.3. TLS 
Currently are supported only protocols TLSv1.0
and higher, SSLv2 and SSLv3 are not permitted due
to security issues. TLS version is configured in
WBM menu:
Configuration > SPE > SPE Security Setup
On following screen, the deployed TLS version,
key agreement method, encryption algorithm and
operation mode can be configured (see
https://www.ietf.org/rfc/rfc5246.txt and
https://www.ietf.org/rfc/rfc8446.txt for
more information about TLSv1.2 and TLSv1.3).
IMPORTANT:
After changing and saving TLS
HFA settings, CGW must be rebooted for the
changes to take effect.
Figure 421. SPE Security Setup TLS
