Network Services
The HPDU supports the following network communication services. All TCP ports for
supported services are set to standard ports.
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HTTP
HTTPS
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Enable or disable access to the HPDU web interface.
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HTTPS uses Transport Layer Security (TLS) technology to
encrypt all traffic to and from the HPDU so it is a more
secure protocol than HTTP. The HPDU supports TLS 1.0, 1.1
and 1.2.
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By default, any access to the HPDU through HTTP is
automatically redirected to HTTPS. You can disable this
redirection if needed.
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SNMP
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SMTP Server
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SSH
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Enable or disable access to the HPDU command line interface
(default) or change the TCP port, or set a password or public key
for login over the SSH connection.
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Telnet
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Enable or disable access to the HPDU command line interface or
change the TCP port. By default, Telnet is disabled because it
communicates openly and is not secure.
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Modbus
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Enable or disable the Modbus/TCP access to the HPDU, set it to the
read-only mode, or change the TCP port.
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Service Advertising
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The HPDU advertises all enabled services that are reachable using
the IP network. The protocols are MDNS (Multicast DNS) and
Link-Local Multicast Name Resolution (LLMNR). The advertised
services are discovered by clients that have implemented MDNS and
LLMNR.
By default,both protocols are enabled.
The advertised services include:
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HTTP
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HTTPS
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Telnet
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SSH
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Modbus
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json-rpc
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SNMP
Enables Link-Local Multicast Name Resolution (LLMNR) and MDNS,
which are required for resolving APIPA host names.
Supports both IPv4 and IPv6 protocols.
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