Need to upgrade XCOM for Linux 11.0 SP00 to be able to support TLS 1.2 ciphers.
What XCOM for Linux version supports TLS 1.2 and please provide the link to download it?
XCOM™ Data Transport® for Linux PC
The alternative option is to upgrade to XCOM for Linux 12.0. More details here: XCOM Data Transport for UNIX/Linux 12.0 > Release Notes
To access the 12.0 software follow the same steps in #2 above. In 2c instead of using the hyperlink for Release=11.6 (Service Pack=SP01), use Release=12.0 (Service Pack=0000)
And select to download:
CA XCOM Data Transport for Linux PC 12.0 0000 - Product Package
DVDLinux120.iso