Transferring files from XCOM for z/OS to Unix with XCOM Data Transfer.
The SSL certificates were placed on both sides and put in the certs directory, but it didn't work.
Error Messages on the z/OS side
STARTING SECURE TCP/IP CONNECTION TO PORT=08045, IP=xx.xxx.xx.xx
SECURE TCP/IP CONNECTION REQUESTED WITH DEST=AAAAU03S, PORT=08045, IP=xx.xxx.xx.xx
SSLv3 protocol enabled. This is an obsolete and insecure protocol. It is recommended to switch SSL_METHOD to TLS
Txpi 308: TxpiInitSSL Failed msg = <error:14094412:SSL routines:SSL3_READ_BYTES:sslv3 alert bad certificate +++ SSL
ERROR ACTIVATING SESSION - SESSION NOT ESTABLISHED
Txpi 227: Socket received 0 bytes: partner closed socket. Last error: 0
SECURE TCP/IP CONNECTION ENDED WITH IP=188.8.131.52
On the Unix side, the xcom.log shows
2020/03/11 15:27:49 TID=REMOTE PRG=xcomtcp PID=27710 IP=yy.yyy.yy.yy
XCOMU0780E Txpi 308: TxpiInitSSL Failed msg = <error:14089086:SSL routines:ssl3_get_client_certificate:certificate verify failed> value = 4294967295: