SunScreen 3.2 Administration Guide

Telnet Proxy Service Without Proxy User Authentication

The following information is used in this example:

Proxy user name

pu1

Authorized user name

none

Authorized user password

none

Backend user name

bu1

Backend Telnet server name

telnet_server

SunScreen proxy name

sunscreen_fw

Client machine name

tiny

To Set Up the SunScreen Environment
  1. Add an entry in the /etc/hosts file if it is accessible, for example:


    1.2.3.4 telnet_server
    

  2. Type the following to make sure the backend Telnet server is accessible:


    ping -s telnet_server 
    

To Configure the Telnet Proxy Service

Note -

There is no need to create an authorized user.


  1. Create the proxy user:

    1. In the Common Objects section, select Proxy User from the Type list.

    2. Select New Single from the Add New list.

      The Proxy User dialog box appears.

    3. Type a name for this Proxy User in the Name field, for example:


      pu1
      

    4. Select the User Enabled check box.

    5. Leave the Authorized User Name field empty.

    6. Type a name in the Backend User Name field, for example:


      bu1
      

    7. Click the OK button.

  2. Create a Policy Rule.

    1. Click the Add New button in the Policy Rules area of the Policy Rules page.

      The Rule Definition dialog box appears.

    2. Select the following values for each field as follows by clicking the down arrow to display the list:

      Service

      telnet

      Source Address

      *

      Destination Address

      *

      Action

      ALLOW

      PROXY list

      PROXY_TELNET

  3. Save the changes:

    1. Click the Verify Policy button.

    2. Click the Save Changes button.

  4. Test the Telnet Proxy Service

    From the client machine:

    1. Make sure the physical connections are good.

    2. Make sure the client machine can access the SunScreen proxy:


      ping -s sunscreen_fw 
      

    3. Test the Telnet proxy service:

      Command issued

      telnet sunscreen_fw

      Username@Hostname

      pu1@telnet_server

      Password

      Press the Return key


      tiny# telnet sunscreen_fw
      Trying 70.70.70.1...
      Connected to sunscreen_fw.
      Escape character is "^]".
      SunScreen Telnet Proxy Version 3.2
      
      Username@Hostname: pu1@telnet_server
      Password:       <press return> 
      Trying telnet_server (1.2.3.4) ...
      Connected to telnet_server
      
      SunOS 5.6
      
      login: bu1
      Password: bu1_pw