I am trying to implement TLSv1.3. I have PAGENT working with v1.2. The samples for the PAGENT configuration file in the samples library on our Dallas system is for z/OS V2R3 (which did not support TLS v1.3 if I recall correctly).
IEE254I 17.14.58 IPLINFO DISPLAY 141
SYSTEM IPLED AT 12.24.29 ON 05/17/2022
RELEASE z/OS 02.04.00 LICENSE = z/OS
USED LOADW1 IN SYS1.IPLPARM ON 00CE3
ARCHLVL = 2 MTLSHARE = N
IEASYM LIST = (W1,SV,VN)
IEASYS LIST = (00,LV,SV,VN) (OP)
IODF DEVICE: ORIGINAL(00CE3) CURRENT(00CE3)
IPL DEVICE: ORIGINAL(01000) CURRENT(01000) VOLUME(VIMVSB)
But note Status = below:
###################################################################
# IBM Communications Server for z/OS #
# SMP/E distribution path: /usr/lpp/tcpip/samples/IBM/EZAPAGFT #
# #
# #
# 5650-ZOS Copyright IBM Corp. 2005, 2017. #
# Licensed Materials - Property of IBM #
# #
# Status = CSV2R3 #
# #
# /usr/lpp/tcpip/samples/pagent_TTLS.conf #
# #
###################################################################