Telnet Port Number; Legal Client Ip - Planet GRT-101 User Manual

PLANET Technology Corp. GRT-101/401/402 User's Manual
protection for GRT-101/GRT-401/GRT-402 Telnet and web servers except
login password control:

3.15.1 Telnet port number

You can specify the TCP port number of the Telnet server other than the
default TCP port number 23 so that Telnet access to default port number
cannot reach GRT-101/GRT-401/GRT-402. The example below shows you
how to setup the Telnet TCP port number from default 23 to 47:
admin# admin security port 47
The valid range of the Telnet port number is between 1 and 65534. To show
which TCP port number is set to allow access to GRT-101/GRT-401/GRT-402,
type
admin# admin security list
Configuration generic parameter
Telnet listening TCP port : 47
To save your changes, enter:
admin# write

3.15.2 Legal client IP

You could assign the legal client IP addresses such that only Telnet clients and
web browsers at the legal client IP addresses can access GRT-101/GRT-401/
GRT-402. The following example specifies a legal IP address 192.168.0.6 in
the pool.
admin# admin security ip_pool modify 1 192.168.0.6
The maximum number in the legal IP pool is limited to 10. To show how many
legal client IP addresses are configured to allow access to GRT-101/GRT-401/
GRT-402, enter:
admin# admin security list
Legal client IP address
No Legal IP Address
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