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show system protocols

Updated February 17, 2022. Written for LMS Version 6.2.

Displays the Lantronix Local Manager's inbound connectivity configuration, including Telnet, SSH, IP address filtering, and DHCP base address.

Command availability

CLI resource: system

Lantronix system: All

LMS offerings: All


show system protocols [-s]

-s - displays filter statistics


Protocol changes take effect after restart. This command shows the current settings; however, if the system has not been restarted, the settings may not be in effect.

[admin@LantronixLM]# show system protocols
Telnet: disabled
Server DHCP base address: 192.168.1
sshPort: 22
Preferred Encryption Cipher:aes128-ctr
Allow: aes128-cbc
Allow: aes192-cbc
Allow: aes192-ctr
Allow: aes256-cbc
Allow: aes256-ctr
Allow: twofish128-cbc
Allow: twofish192-cbc
Allow: twofish256-cbc
Preferred HMAC:hmac-sha2-256
Allow: hmac-sha1
Allow: hmac-sha2-512
Preferred Compression:none
Allow: zlib
Preferred Key Exchange Algorithm:diffie-hellman-group14-sha1
Allow: diffie-hellman-group-exchange-sha1
Allow: diffie-hellman-group-exchange-sha256
Allow: diffie-hellman-group1-sha1
Allow: ecdh-sha2-nistp256
Allow: ecdh-sha2-nistp384
Allow: ecdh-sha2-nistp521

In the Lantronix web interface

Inventory > group page > Network > Protocols - specific to this inventory group

Inventory > Local Manager page > Network > Protocols - specific to this system


3.4 - This command was introduced to replace show envoy protocols. DHCP information was added.

3.5 - Command output was expanded to show configurable ssh options.

Related commands

  • config system protocols dhcp
  • config system protocols filter
  • config system protocols ssh
  • config system protocols telnet

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