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Get server details (IP, port, system number)#

a) ST06 > Additional functions > Lan check with ping > Application Server > Mark all + 1x PING > LAN Check by Ping
b) SM51 > Mark server > Menu > Goto > Information > Logon Data

Note: system number is the last two digits of the port from b)

Server/Profile Parameters#

For a reliable HTTP communication set the following

icm/server_port_0	PROT=HTTP,PORT=xxxx,TIMEOUT=90,PROCTIMEOUT=3600
icm/server_port_2	PROT=HTTPS,PORT=xxxx,TIMEOUT=90,PROCTIMEOUT=3600
icm/keep_alive_timeout	90
icm/conn_timeout	20000

If icm/HTTP/client/keep_alive_timeout=0 is used, HTTP Keep-Alive is disabled altogether when acting as client. This solution affects all outbound HTTP connections.

HTTP keep-alive#

Use HTTP 1.1 with

lo_http_client->request->set_version( if_http_request=>co_protocol_version_1_1 ).

If you use it within HTTP header you need to set Connection=keep-alive, too!

HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/html; chartset=utf-8
Keep-Alive: timeout=10, max=100     

ICM log#

"BINDUMP of content denied" => icm/trace_secured_data = FALSE (TRUE or 1/0)