New connection ([File] menu)

Connects to a new host or a serial port or a named pipe. Also, Replays a log file. If the connection is already open, opens a new Tera Term window.

"New connection" dialog box

TCP/IP

Host

Enter the host name or IP address(IPv4 and IPv6) or named pipe.
The IPv6 address is surround with the bracket. (Refer to RFC3986 / RFC5952)
You can enter not only the host name or address, but also the command line parameters like the following:

    myhost.example.com                  Host name only.
    myhost.example.com:23               Host name with a port number.
    foohost.example.org /F=FOOHOST.INI  Host name & setup file name.
    /C=1                                Specifies the serial port connection.
    /R=LOG.DAT                          Replays the log file.
    [2001:db8:1:2:8401:2ff:fe03:405]    IPv6 address
    [fe80::8401:2ff:fe03:405%3]:8022    IPv6 address and Port number
    user@myhost.example.com:10022 /ssh  SSH connection to a port number other than 22
    ssh://user@myhost.example.com       SSH connection to the SSH protocol(ssh://)
    \\.\pipe\vmware-serial-port         Named pipe connection

Host List

Use drop down to select host(command line) from host list.
To edit the host list,

"Edit host list" button in [Setup] Additional setting "TCP/IP" tab
select "< Edit host list... >" from dropdown

The host list is also used in Windows jump list (jump list is not available by default in Windows 10 and 11).
host list is saved Hosts section in TERATERM.INI.
The maximum number of hosts that can be saved is 500.

keybind

This edit control supports next keys.

Ctrl+a: Home key
Ctrl+e: End key
Ctrl+b: left-arrow
Ctrl+f: right-arrow
Ctrl+n: down-arrow
Ctrl+p: up-arrow
Ctrl+d: delete the character at point
Ctrl+k: kill the text from point to the end of the line
Ctrl+u: kill backward from point to the beginning of the line

Add host list

Displayed when TTSSH is enabled.
This option is select, the entered hostname will be added to the top of the host list when connecting to the input host.
If already exist in host list, move to the top.
Add host list when new connection in Additional settings / "TCP/IP" tab is default value for this checkbox.

Telnet

Enables the telnet protocol.

SSH

Default selected option. Displayed when TTSSH is enabled.
Enables the SSH protocol.

Other

Displayed when TTSSH is enabled.
Enables other protocol from except telnet and SSH.

TCP port#

Specify the port number according to the selected service.
The default is as follows.

Service	TCP port#	etc.
Telnet	23	well-known ports
SSH	22	well-known ports Displayed when TTSSH is enabled.
Other	(Optional)	Displayed when TTSSH is enabled.

SSH version

Displayed when TTSSH is enabled.
Uses for connection by selected from version ssh1 or ssh2.

IP version

Selects as an IP version from AUTO or IPv6 or IPv4.
The AUTO try to connect to the IP address associated with the hostname.
Either IPv6 or IPv4 using depends on the OS setting(priority of IP version).

Note:
Only if <telnet flag> is on and <TCP port#> is 23, Tera Term starts spontaneously sending telnet commands to the host for the option negotiation when the TCP/IP connection is established. In any cases, Tera Term can respond to telnet commands sent by the host.

Serial

Port: Select a port from the list. By default, maximum serial port number in the list is 256. Also, the serial port does not show when there is no available port. It is configurable in MaxComPort setting.

New connection ([File] menu)

"New connection" dialog box

TCP/IP

Serial

See also