I am following up on your thread below to see if you were able to get this resolved? I upgraded to HTTPAPI version 1.42 and I am having the same issue as I had before.
NTLM Ver 1.4.0 released 2014-12-22
OS/400 Ver V7R3M0
http_url_postWs(): entered
http_persist_openws(): entered
http_long_ParseURLWs(): entered
DNS resolver retrans: 2
DNS resolver retry : 2
DNS resolver options: x'00000136'
DNS default domain: XYZZ.com
DNS server found: 10.236.64.109
DNS server found: 10.236.66.109
https_initws(): entered
QSSLPCL = *OPSYS
SSL version 2 support disabled
SSL version 3 support disabled
Old interface to TLS version 1.0 support enabled
Old interface to TLS version 1.0 support enabled
TLS version 1.0 support enabled
TLS version 1.1 support enabled
TLS version 1.2 support enabled
initializing GSK environment
GSK Environment now available
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Dump of local-side certificate information:
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Nagle's algorithm (TCP_NODELAY) disabled.
SNI hostname set to: XYZ.com
SetErrorWs() #32: Time out during SSL handshake