Digi TX54, Руководство пользователя

Страница: 218 / 1087

Serial port Add a USB serial port
TX54 User Guide 218
l
A single IP address or host name.
l
A network designation in CIDR notation, for example, 2001:db8::/48.
l
any : No limit to IPv6 addresses that can access the service-type.
iv. Click

again to list additional IP addresses or networks.
n
To limit access to hosts connected through a specified interface on the TX54
device:
i. Click Interfaces .
ii. For Add Interface , click

.
iii. For Interface , select the appropriate interface from the dropdown.
iv. Click

again to allow access through additional interfaces.
n
To limit access based on firewall zones:
i. Click Zones .
ii. For Add Zone , click

.
iii. For Zone , select the appropriate firewall zone from the dropdown.
See Firewall configuration for information about firewall zones.
iv. Click

again to allow access through additional firewall zones.
iv. (Optional) Click to enable mDNS . mDNS is a protocol that resolves host names in
small networks that do not have a DNS server.
g. Click to expand Telnet connection .
i. Click Enable to allow telnet access to this port.
ii. For Connection type , select one of:
i. Raw TCP connection : The TCP connection is unencrypted.
ii. Encrypted connection : The TCP connection uses Transport Layer Security (TLS)
encryption.
iii. Encrypted connection with authentication : The TCP connection uses TLS
encryption with authentication.
iii. For Port , type or select the appropriate telnet port.
iv. (Optional) Click to expand Access control list to limit access to the telnet connection.
n
To limit access to specified IPv4 addresses and networks:
i. Click IPv4 Addresses .
ii. For Add Address , click

.
iii. For Address , enter the IPv4 address or network that can access the
device's service-type. Allowed values are:
l
A single IP address or host name.
l
A network designation in CIDR notation, for example, 192.168.1.0/24.
l
any : No limit to IPv4 addresses that can access the service-type.
iv. Click

again to list additional IP addresses or networks.
n
To limit access to specified IPv6 addresses and networks:
i. Click IPv6 Addresses .
ii. For Add Address , click

.