
Appendix C: CC-SG and Network Configuration
65
Access to Infrastructure Services
The CC-SG can be configured to use several industry-standard services
like DHCP, DNS, and NTP. These ports and protocols are used to allow
CC-SG to communicate with these optional servers.
Communication
Direction
Port
Number
Protocol Configurable? Details
DHCP server to CC-SG 68 UDP no IPv4 DHCP standard
CC-SG to DHCP server 67 UDP no IPv4 DHCP standard
NTP server to CC-SG 123 UDP no NTP standard
CC-SG to DNS 53 UDP no DNS standard
PC Clients to CC-SG
PC Clients connect to the CC-SG in one of three modes:
• Admin or Access Client via a web browser. CC-SG supports SSL v2,
SSL v3, and TLS v1 for browser connections. You can configure
these encryption methods in your browser
• Command Line Interface (CLI) via SSH
• Diagnostic Console
Communication
Direction
Port
Number
Protocol Configurable? Details
PC Client to CC-SG 443 TCP no Client-server communication.
SSL/AES128 encrypted if
configured.
PC Client to CC-SG 80 TCP no Client-server communication.
SSL/AES128 encrypted if
configured.
PC Client to CC-SG 8080 TCP no Client-server communication.
SSL/AES128 encrypted if
configured.
PC Client to CLI SSH 22 TCP yes Client-server communication.
SSL/AES128 encrypted if
configured.
PC Client to
Diagnostic Console
23 TCP yes Client-server communication.
SSL/AES128 encrypted if
configured.
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