Reference information for CICS® Web support utility programs, and
for elements of HTTP and HTML.
HTML coded character sets
This reference lists the supported IANA-registered character set
names (specified as charset= values in HTTP headers), and
the IBM® CCSID
equivalents.
HTTP header reference for CICS Web support
In CICS Web
support, when messages are sent out from CICS, some HTTP headers are provided automatically
by CICS,
and some can be added by the user. When messages are sent to CICS, CICS takes action
in response to some HTTP headers, and a user application program can take
action in response to others. This reference describes how CICS Web support
handles HTTP headers.
HTTP status code reference for CICS Web support
HTTP status codes are provided to clients by a server, to explain
the consequence of the client's request. When CICS is an HTTP server, depending on the
circumstances, either CICS Web support or the user application program selects
an appropriate status code for each response. When CICS is an HTTP client, most status codes
received from the server are passed to the user application program for handling.
HTTP method reference for CICS Web support
HTTP requests include a method, which is a keyword explaining the
action that the client wants the server to perform for the material included
in the request. CICS Web
support implements all the standard request methods defined by the HTTP/1.1
specification, and some additional methods that were accepted in earlier CICS releases.
Reference information for analyzer programs
This section provides reference information for analyzer programs,
including input and output parameters, and responses and reason
codes.
The DFHWBCLI Web Client Interface
DFHWBCLI is a CICS-supplied utility program that you can invoke
via EXEC CICS LINK to provide Web client services or outbound
HTTP. It is supported in CICS Transaction Server for z/OS®, Version 3 Release 1 for
migration purposes.