%META:TOPICINFO{author="ProjectContributor" date="1434650530" format="1.1" version="1"}%
%META:TOPICPARENT{name="Macros"}%
---+ HTTP_HOST -- environment variable
---++ Examples
   * =%<nop>HTTP_HOST%= expands to =%HTTP_HOST%=
%STOPINCLUDE%
---++ Related
 [[VarENV][ENV]], [[VarREMOTEADDR][REMOTE_ADDR]], [[VarREMOTEPORT][REMOTE_PORT]], [[VarREMOTEUSER][REMOTE_USER]]
