Telnet 5250

This chapter contains an example of a basic Fudo Enterprise configuration, to monitor Telnet 5250 connections to a remote server. In this scenario, the user connects to the remote server using Telnet client and logs in using individual login and password. Fudo Enterprise authenticates the user against the information stored in the local database, establishes connection with the remote server and starts recording.

Note

Telnet connections do not support login credentials forwarding and login credentials substitution. When connecting to target host over telnet protocol, users are asked to provide their login credentials twice. First time to authenticate against Fudo Enterprise and then again, to connect to the target host.

../../_images/quickstart_overview_telnet.png

Prerequisites

Description below assumes that the system has been already initiated. For more information on the initiation procedure refer to the System initiation topic.


Configuration

../../_images/data_modeling1.png

Adding a server

Server is a definition of the IT infrastructure resource, which can be accessed over one of the specified protocols.


  1. Select Management > Servers.
  2. Click Add and select Static server.
  1. Provide essential configuration parameters:
Parameter Value
General  
Name telnet_server
Description fail
Blocked fail
Protocol Telnet 5250
TLS enabled fail
Bind address Any
   
Permissions  
Granted users fail
   
Destination  
Address 10.0.35.137
Mask 32
Port 23
  1. Click Save or Save and close

Adding a user

User defines a subject entitled to connect to servers within monitored IT infrastructure. Detailed object definition (i.e. unique login and domain combination, full name, email address etc.) enables precise accountability of user actions when login and password are substituted with a shared account login credentials.


  1. Select Management > Users.
  2. Click Add.
  3. Provide essential user information:
Parameter Value
General  
Name john_smith
Role user
Blocked fail
Account validity Indefinite
   
Settings Tab  
Safes fail
   
Authentication section  
Authentication failures fail
Enforce password complexity fail
Add authentication method: Static password
Password john
   
User Data Tab  
Fudo domain fail
AD Domain fail
LDAP Base fail
Full name John Smith
Email john@smith.com
Organization fail
Phone fail
   
Permissions Tab  
Granted users fail
  1. Click Save.

Adding a listener

Listener determines server connection mode (proxy, gateway, transparent, bastion) as well as its specifics.


  1. Select Management > Listeners.
  2. Click Add.
  1. Provide essential configuration parameters:
Parameter Value
General  
Name telnet_listener
Blocked fail
Protocol Telnet 5250
   
Permissions  
Granted users fail
   
Connection  
Mode proxy
Local address 10.0.150.151
Port 23
Use TLS fail
Legacy crypto fail
Server certificate fail
  1. Click Save.

Adding an account

Account defines the privileged account existing on the monitored server. It specifies the actual login credentials, user authentication mode: anonymous (without user authentication), regular (with login credentials substitution) or forward (with login and password forwarding); password changing policy as well as the password changer itself.


  1. Select Management > Accounts.
  2. Click Add.
  1. Provide essential configuration parameters:
Parameter Value
General  
Name admin_telnet_server
Blocked fail
Type forward
Session recording all
Notes fail
   
Data retention  
Override global retention settings fail
Delete session data after 61 days
   
Permissions  
Granted users fail
   
Server  
Server telnet_server
   
Credentials  
Replace secret with with password
Password fail
Repeat password fail
Forward domain fail
  1. Click Save.

Defining a safe

Safe directly regulates user access to monitored servers. It specifies available protocols’ features, policies and other details concerning users and servers relations.


  1. Select Management > Safes.
  2. Click Add.
  1. Provide essential configuration parameters:
Parameter Value
General  
Name telnet_safe
Blocked fail
Notifications fail
Login reason fail
Require approval fail
Policies fail
Note access fail
   
Protocol functionality  
RDP fail
SSH fail
VNC fail
   
Permissions  
Granted users fail
  1. Select Users tab.
  2. Click Add user.
  3. Find John and click ..
  4. Click OK.
  5. Select Accounts tab.
  6. Click Add account.
  7. Find the admin_telnet_server object and click ..
  8. Click OK.
  9. Click in the Listeners column.
  10. Find the telnet_listener object and click ..
  11. Click OK.
  12. Click Save.

Establishing a telnet connection with the remote host

  1. Launch telnet client of your choice.

  2. Connect to the remote host:

    telnet> open 10.0.150.151
Trying 10.0.150.151...
Connected to 10.0.150.151.
Escape character is '^]'.

  3. Provide user authentication information defined on Fudo Enterprise:

../../_images/fudo_authentication.png

  1. Provide user authentication information defined on the target host:

    FreeBSD/amd64 (fbsd83-cerb.whl) (pts/0) login: password:

Note

Telnet connections do not support user credentials substitution.

../../_images/telnet_connected.png

Viewing user’s session

  1. Open a web browser and go to the 10.0.150.151 web address.
  2. Enter the login and the password to log in to the Fudo Enterprise administration panel.
  1. Select Management > Sessions.
  2. Find John Smith’s session and click i.
../../_images/telnet_player.png

Related topics: