Table of Contents
Advertisement
Serial port
iv. (Optional) Enable mDNS. mDNS is a protocol that resolves host names in small
networks that do not have a DNS server.
(config serial USB_port)> service telnet mdns enable true
(config serial USB_port)>
i. Configure ssh access to this port:
i. Enable ssh access:
(config serial USB_port)> service ssh enable false
(config serial USB_port)>
ii. Set the ssh port:
(config serial USB_port)> service ssh port port
(config serial USB_port)>
iii. (Optional) Configure the access control list to limit access to the ssh connection:
TX40 User Guide
n
To limit access to specified IPv4 addresses and networks:
(config serial USB_port)> add service ssh acl address end
value
(config serial USB_port)>
Where value can be:
A single IP address or host name.
l
A network designation in CIDRnotation, for example, 192.168.1.0/24.
l
any: No limit to IPv4 addresses that can access the ssh port.
l
Repeat this step to list additional IP addresses or networks.
To limit access to specified IPv6 addresses and networks:
n
(config serial USB_port)> add service ssh acl address6 end
value
(config serial USB_port)>
Where value can be:
A single IP address or host name.
l
A network designation in CIDRnotation, for example, 2001:db8::/48.
l
any: No limit to IPv6 addresses that can access the ssh port.
l
Repeat this step to list additional IP addresses or networks.
To limit access to hosts connected through a specified interface on the TX40
n
device:
(config serial USB_port)> add service ssh acl interface end
value
(config serial USB_port)>
Where value is an interface defined on your device.
Add a USB serial port
293
Advertisement
Table of Contents
