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Control User Profiles That Can Access AS/400:
To run the server while
controlling which user profile gets sent to a Web browser, you can write an exit
program. For more information on writing exit programs, see “Adding Your Exit
Program to the Registration Facility” on page 537.
Things to Avoid to Ensure Workstation Gateway Security
Do Not Store Passwords in HTML Documents:
Secured Sockets Layer (SSL),
or Secure HTTP, has been put into effect on AS/400 systems beginning with
Version 4 Release 1. This helps to ensure that data being sent from a secure
server to a secure browser is encrypted. In general, however, do not store
passwords in HTML documents.
Workstation Gateway — Requirements
Some applications continually display panel after panel without requiring keyboard
interaction or intervention. Because the workstation gateway server processes one
panel at a time, the workstation gateway server cancels applications like this similar
to a SYSREQ panel, Option 2. Do not use screen refresh applications or features
with workstation gateway server.
How the 5250 Display is Formatted for the Workstation Gateway
The workstation gateway server formats the 5250 display as follows:
1. The display is presented as 80-column, pre-formatted text.
2. Blank lines are omitted to reduce the vertical size of the display image in the
browser window.
3. 5250 input fields are translated into HTML INPUT tags with the same length as
the 5250 field.
v If an input field is longer than 160 characters, the field is translated into an
HTML text area that is 80 columns long and has enough lines to contain all
the needed input text.
v If an input field is between 60 and 160 characters long, it is presented as an
input field with 60 visible characters and a maximum length of the 5250 field
size.
4. Function key tags recognized in the function key area of the display are added
to the
menu
items at the top of the document.
For example, Figure 208 on page 336 shows a 5250 display
without
workstation
gateway.
Chapter 10. Workstation Gateway Server 335