The following network requirements must be met to use a direct connection for SupportAssist.
A minimum of one DNS server must be configured.
The local system must connect to the following destinations to ensure connectivity to the Global servers:
esrs3-core.emc.com
esrs3-coredr.emc.com
Use the following command to verify the connections:
# check support-assist-connection mode direct
If the connection is working, it returns an HTTP Status 200 message:
SupportAssist Connection
------------------------
Connection State: Connected
Endpoint
--------
Mode: direct
Endpoint: https://esrs3-core.emc.com
Status: success
HTTP Status: 200
Message: OK
Status Detail: Success
Proxy Type: none
Endpoint
--------
Mode: direct
Endpoint: https://esrs3-coredr.emc.com
Status: success
HTTP Status: 200
Message: OK
Status Detail: Success
Proxy Type: none
Success: Command completed successfully. (2022-01-08 18:04:00)
To ensure connection integrity, proxy servers and devices external to your demilitarized zone (DMZ) must not perform any method of SSL decryption on outbound or inbound traffic for the Dell secure remote servers. SSL decryption that is performed on outbound communication causes a loss of connectivity to the backend. SSL decryption includes decryption by your firewall, proxies, web traffic filtering appliances or cloud services, web traffic shaping or load balancing, certificate verification, certificate proxy, or Intrusion Detection Services (IDS).
In case the SSL decryption is enabled on the proxy servers and other devices, ensure that
esrs3-core.emc.com and
esrs3-coredr.emc.com are added to the SSL decryption exclusion list on the proxy servers and devices.
Table 1. Port requirementsThe following table describes the port requirements for communication between the storage system and SupportAssist
Type of connection
Ports that must be open
Protocol used
Communication
Connect Directly
443
TCP
Outbound
Connect via Gateway Server
9443
TCP
Outbound
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