CL_HTTP_CLIENT HEADER_FIELD lower case

[Former Member]

I use CL_HTTP_CLIENT from ABAP to send a request to an external server，The headers i set was converted to all lower case e.g clientid，Is there anyway I can stop this from happening.

CALL METHOD LR_CLIENT->REQUEST->SET_HEADER_FIELD
  EXPORTING
	NAME  = 'ClientId'
	VALUE = 'com.wynca.esb.provider.wms.qimen.op'.

[RaymondGiuseppi]

AFAIK In §3.2 (Message Headers) RFC 7230 (as of old §4.2 of RFC 2616) it is written 'Field names are case-insensitive' , so why?

[Former Member]

the external system is the receiver，it's header field name is case-insensitive.

[Sandra_Rossi]

so, it's perfect, could you mark the answer as correct, or is there something else?