Connection / Telnet

This category only appears if VanDyke Software's SecureCRT® 5.0 (or newer) is also installed.

The Telnet category of the Session Options dialog allows you to further configure your Telnet
Telnet is a protocol that provides an interface for communications between clients and servers. connection
A data path or circuit between two computers over a phone line, network cable, or other media. . The Telnet category only appears when you have selected `Telnet` as your Protocol.

Hostname

The hostname or IP address
Every site that is reachable on the Internet must have a valid IP, or Internet Protocol,address. An IP address should be entered as four numbers separated by period (.) characters (for example: 198.105.232.1). of the remote host.

Port

The port number of a service on a remote machine. For Telnet, the default port is 23.

Firewall

If your connection involves a firewall, select your firewall from the list of firewalls that have been configured in the Global Options/Firewall dialog.

Note: You can also select an SSH2 session to be used as a firewall. When a session is specified as a firewall, the firewall session will be connected first.

Advanced group

Will LFLOW

Select this option to enable local flow control when connecting to Telnet sites that support LFLOW. This option is selected by default.

Enable NAWS

Select this option to enable the Negotiate About Window Size (NAWS) feature. NAWS allows a Telnet client
A computer or application that uses services provided by a server. and a Telnet server to negotiate resizing the terminal
A device usually consisting of a keyboard, a display unit such as a cathode ray tube,and a serial port used for entering and sending data to a computer and displaying any data received from the computer. Terminals are usually connected to a computer a serial line or some other type of connection. There are many terminal types including VT100, VT102, VT220, and others. window.

Note: NAWS may not be applicable to all systems.

Force character at a time mode

Select this option to force SecureCRT to be in "character at a time" Telnet mode. This option may be required in rare cases where Telnet negotiation between the client and server does not occur correctly.

WARNING: For most users, this option should not be selected.

Send SGA (port 23 only)

Select this option to initiate Telnet negotiation by sending the Telnet SGA command. Most Telnet servers expect this from the Telnet client.

WARNING: For most users, this option should be selected.

Send SGA

Select this option to send the DO SGA command immediately after connecting.

Enable NTLM authentication

Select this option to enable NT LAN Manager (NTLM) authentication. This option is enabled by default.

Server requires bare CR

Select this option to instruct SecureCRT how to encode carriage returns when sending them to the remote host.