About the Logon Page

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# About the Logon Page

This document covers the following topics:

- Starting a Natural Application from the Logon Page

- Examples of Logon Pages

- Dynamically Changing the CICS Transaction Name, Host Name, and Port Number when Starting a Session

- Specifying a Password in the Logon Page

- Changing the Password in the Logon Page

- Browser Restrictions

## Starting a Natural Application from the Logon Page

When you start the Natural Web I/O Interface client in the browser, a logon page appears. The entries in this logon page depend on the settings in your Session Configuration.

In order to start a Natural application from the logon page, you enter the following URL inside your browser:

    http://<host>:<port>/natuniweb/natural.jsp

where <host> and <port> are the host name and port number of your application server.

## Examples of Logon Pages

For each session definition that has been configured in the configuration file, an entry appears on the logon page. If the user selects the corresponding entry, only those parameters that were not pre-configured in the configuration file need to be specified in the logon page in order to start the application. Usually, you will preconfigure all connection parameters except user name and password.

The following example shows part of a logon page which results from a configuration file in which no special entries are defined for a session:

The following example shows part of a logon page which results from a configuration file in which many settings are already predefined (including user ID and password):

To log on to a session, you have to specify all required information in the logon page (for example, you select a session from the corresponding drop-down list box). When you choose the Connect button, the screen for the selected session appears.

## Dynamically Changing the CICS Transaction Name, Host Name, and Port Number when Starting a Session

The following description applies if you want to switch to a different CICS transaction on a mainframe. It is also possible to select a different host and port number.

You specify the dynamic server parameters in the same text box in which you also specify the dynamic parameters for the Natural environment. So that the dynamic server parameters can be evaluated, it is important that you specify it before any Natural parameters, using the following syntax:

    <TA_NAME=name TA_HOST=hostname TA_PORT=number>

> name

>   Can be 1 to 4 characters long. This must be the name of an existing CICS transaction which applies to a CICS Adapter. It will override the transaction name, currently defined in the configuration file for the CICS Adapter on the Natural Web I/O Interface server (NWO). Ask your administrator for further information.

> hostname

>   Can be 1 to 32 characters long. This must be the name, or the TCP/IP address of the host the desired CICS is running. It will override the hostname (RFE_CICS_TA_HOST), currently defined in the configuration file for the CICS Adapter on the Natural Web I/O Interface server (NWO). Ask your administrator for further information.

> number

>   Can be a numeric value in the range from 1 to 65535. It is the TCP/IP port of the CICS-supplied listener. It will override the hostname (RFE_CICS_TA_PORT), currently defined in the configuration file for the CICS Adapter on the Natural Web I/O Interface server (NWO). Ask your administrator for further information.

Make sure to put the entire definition in angle brackets. Dynamic server parameters can be separated by a comma or a blank character. Only the parameters to be overwritten must be specified. When this definition is followed by a Natural parameter, insert a blank before the Natural parameter.

#### Example:

    <TA_NAME=NA82 TA_HOST=HOST.LOCAL.NET TA_PORT=1898> STACK=(LOGON SYSCP)

If one of the dynamic server parameters is incorrect, an error message occurs, and the session cannot be started.

If an incorrect CICS transaction id is specified, the error message `EZY1315E 09/03/24 15:17:46 INVALID TRANID=G PARTNER INET ADDR=ip-address` occurs.

If an incorrect hostname or port number is specified, the error message `NAT9939 Open socket connection failed` occurs.

Note
The above definition of dynamic server parameters can also be specified in the configuration tool, in the same place where you also specify the Natural parameters, and together with the URL parameter `natparam` .

## Specifying a Password in the Logon Page

The following information applies when the field for entering a password appears on the logon page. This field does not appear when a password has already been defined in the configuration file.

Under Windows and Linux, you always have to enter the operating system password, even if Natural Security is active.

On the mainframe, this is different: When Natural Security is not active, you have to enter the operating system password. When Natural Security is active, you have to enter the Natural Security password.

## Changing the Password in the Logon Page

Currently, this functionality is only available for Natural for Linux and Natural for Windows.

The following information applies when the fields for entering a user ID and a password appear on the logon page. These fields do not appear when user ID and password have already been defined in the configuration file; in this case, it is not possible to change the password in the logon page.

When your password has expired, you are automatically asked for a new password. When you try to log on with your current password, an error message appears and input fields for changing the password are shown.

To change the password

1. Choose the Change password button in the logon page.

   The name of this button changes to DonÃ¢Â€Â™t change password and the following two input fields are shown in the logon page:

   - New password

   - Repeat new password

2. Enter your user ID and your current password as usual.

3. Enter the new password in the two input fields.

4. Choose the Connect button to change the password.

   Or:
   If you do not want to change your password, choose the DonÃ¢Â€Â™t change password button. The two input fields will then disappear.

## Browser Restrictions

The browser's "Back" and "Forward" buttons do not work with the Natural Web I/O Interface client and should therefore not be used.

If you want to run two Natural sessions in parallel, you have to start a new instance of the browser (for example, by choosing the corresponding icon in the Quick Launch toolbar of Windows). You must not use the browser's "New Window" function. This would result in one session running in two browsers, which is not allowed.

### On this page

- Starting a Natural Application from the Logon Page
- Examples of Logon Pages
- Dynamically Changing the CICS Transaction Name, Host Name, and Port Number when Starting a Session
- Specifying a Password in the Logon Page
- Changing the Password in the Logon Page
- Browser Restrictions