For TLS, Diffie Hellman groups according to the table below must be used.

User roles: Operation, Development, Integration
The Diffie Hellman groups is used for key exchange with Perfect Forward Secrecy (PFS). Generally, a distinction is made between elliptic curve groups and finite field groups (mod p).

The following table contains the allowed Diffie Hellman groups for use in TLS
 

Remark on group 256:
Diffie Hellman group 256 (IANA-No.256) has a ley length of 2048 bit [1] and may only be used in legacy systems until the end of the year 2022. The group must be substituted by a stronger method (according to the enumeration above).

Please specify IFS compliance