About Restricting Services

If your site has a security requirement, you can block certain services on the system to control the degree of access from your site LAN. The following table shows which services can be blocked. The ports for SMTP (port 25), DNS (port 53), and DHCP (port 67) are always open for outgoing messages.

Service
Allows access to:
Port
Direction
Storage Management HTTP
Non-secure web or CLI
9080
Incoming
Storage Management HTTPS
Secure web or CLI
6789
Incoming
Service HTTP
Non-secure web or CLI
7654
Incoming
Service HTTPS
Secure web or CLI
443
Incoming
SNMP
Third-party tools
161
Incoming
Outgoing
CIM HTTP
Third-party tools
5998
Incoming
SSH
Secure shell
22
Incoming
Revision Maintenance
Firmware/software updates
443
Outgoing

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