Open Services and Software Utilities

Network Time Protocol (NTP)

NTP servers are used to synchronize the system time and date information configured on the DSC 8000 with the network reference data. System timers will not function correctly if they are not synchronized with an NTP server.

Hypertext Transfer Protocol (HTTP)

HTTP is an application protocol that uses structured text with hyperlinks between computer nodes. The Web UI cannot be accessed without HTTP.

SSH is a network connection protocol that uses encryption to secure the data communication link. It is a required service on the DSC 8000 to enable secure communication links to the system. A user must use SSH to establish a command line session with the system.

RSYSLOG is required for fast log processing. The utility is needed to forward log messages in an IP network. The service provides the ability to retrieve system log files for troubleshooting.

Simple Network Management Protocol Agent (SNMPD)

SNMPD is an SNMP agent that binds to a port and waits for requests from SNMP management software. The DSC 8000 requires the SNMPD service to enable SNMP communication.

Heartbeat is a daemon that shares information between systems connected through High Availability (HA) links.

SSH is a network connection protocol that uses encryption to secure the data communication link. It is a required service on the DSC 8000 to enable secure communication links to the system.

Trivial File Transfer
Protocol dameaon
(TFTPD)

TFTPD is a client daemon used for Trivial File Transfer Protocol (TFTP). The TFTP protocol is used extensively to support remote booting of diskless devices.

Remote Procedure
Call (RPCBIND)

The RPCBIND software utility maps RPC services to the ports on which they listen. RPC processes notify RPCBIND when they start and register the ports.