Dell PowerStore 7000T EMC PowerStore Planning Guide - Page 22

B Port Usage The following sections outline the collection of network ports and the corresponding services that may be found on the appliance. The appliance functions as a network client in several circumstances, for example, in communicating with a vCenter Server. In these instances, the appliance initiates communication and the network infrastructure will need to support these connections. NOTE: For additional information about ports, see Knowledge Base Article 542240, PowerStore: Customer Network Firewall Rules - TCP/UDP Ports. Go to https://www.dell.com/support/kbdoc/en-us/542240. The Customer Network Firewall Rules tool enables you to filter and review the list of firewall rules and ports that are relevant to your PowerStore deployment. Topics: • Appliance network ports • Appliance network ports related to file • Network ports related to PowerStore X model appliances Appliance network ports The following table outlines the collection of network ports and the corresponding services that may be found on the appliance. Table 7. Appliance network ports Port 22 Service SSH client, SupportAssist Connect Home Protocol TCP Access Direction Bi-directional Description ● Allows SSH access (if enabled). ● Required for SupportAssist Connect Home. If closed, management connections using SSH will be unavailable. 25 SMTP TCP Outbound Allows the appliance to send email. If closed, email notifications will be unavailable. 26 SSH client TCP Bi-directional SSH access to port 22 is redirected to this port. If closed, management connections using SSH will be unavailable. 53 DNS TCP/UDP Outbound Used to transmit DNS queries to the DNS server. If closed, DNS name resolution will not work. 80, 8080, 8128 SupportAssist TCP Outbound Used for SupportAssist Proxy connection. 123 NTP TCP/UDP Outbound NTP time synchronization. If closed, time will not be synchronized among appliances. 443 HTTPS TCP Bi-directional Secure HTTP traffic to PowerStore Manager. If closed, communication with the appliance will be unavailable. 500 IPsec (IKEv2) UDP Bi-directional To make IPSec work through your firewalls, open UDP port 500 and permit IP protocol numbers 50 and 51 on both 22 Port Usage