8.1.5 Support menu You can configure remote support assistance that allows support personnel to access the  system remotely by using a secure connection.  Support assistance enables support personnel to access the system to complete  troubleshooting and maintenance tasks. If you are configuring remote support assistance,  ensure that the following prerequisites are met: Note:  For more information about remote support configuration, see 3.6, “Remote Support  Assistance” on page 84. To configure remote support assistance, click  Settings  Support  Support  Assistance  Reconfigure Settings , as shown in Figure 8-96. Figure 8-96 Navigate to Support Assistance, Reconfigure Settings 324  Implementing IBM FlashSystem 900 Model AE3 Support assistance GLYPH<SM590000> Call Home is configured with a valid email server. GLYPH<SM590000> A valid service IP address is configured on each node on the system.  GLYPH<SM590000> If your system is behind a firewall and does not allow access to the remote support server,  configure a Remote Support Proxy server. During the set-up for support assistance,  specify the IP address and the port number for the proxy server on the Remote Support  Centers page. GLYPH<SM590000> If you do not have firewall restrictions and the storage nodes are directly connected to the  internet, request your network administrator to allow connections to  129.33.207.37 ,  204.146.30.157 ,  129.33.206.139 , and  204.146.30.139  on Port 22.