1. ports

name number

NTP

123

DNS

53

SIP

9523 9524 3478
Tip use both UDP and TCP protocol

2. references

2.1. ntp

   url: ntp.sunny-portal.com
ipaddr: 62.157.182.102
  port: 123

2.2. data

   url: ldm-devapi.sunnyportal.com
ipaddr: 171.25.178.107
  port: 443

2.3. updates

   url: update.sunnyportal.de
ipaddr: 171.25.178.20
  port: 80

2.4. SMA webconnect and SMA spot

   url: wco.sunnyportal.com
ipaddr: 52.187.115.237 -> 20.107.219.124
  port: 9523, 9524, 3478