Hello WB,
You can restrict access via the “ip authorized-manager” command. You can either make it via specific host (1.2.3.4/32) or via subnet (1.2.3.0/24). You can also lock it down via web GUI or other methods of access (ssh/telnet, tftp, snmp).
http://h22208.www2.hpe.com/eginfolib/networking/docs/switches/K-KA-KB/15-18/5998-8150_access_security_guide/content/c_Using_Authorized_IP_Managers.html
Switch(config)# ip authorized-managers
IPV4-ADDR Authorized manager IPv4 address.
Switch(config)# ip authorized-managers 1.2.3.4
access Define an access level desired.
access-method Define an access method desired.
IPV4-MASK IP mask defining a group of adjacent manager IP addresses.
<cr>
Switch(config)# ip authorized-managers 1.2.3.4 255.255.255.255
access Define an access level desired.
access-method Define an access method desired.
<cr>
Switch(config)# ip authorized-managers 1.2.3.4 255.255.255.255 access-method
all
ssh
telnet
web
snmp
tftp
Hopefully that anwsers your question!
Thanks!
Benny