Do you have such type of Question, How to Fix error regarding network connection in Zoom App
If you get an error message in Zoom like the one below, it may be related to the network connection, network firewall settings, or web security gateway settings.
- The application remains in “Connecting” mode
- “Network error, please try again”
- If you’ve timed out due to “Unable to connect to the service. Please check your network connection and try again later”
Check1:
Open a browser, check the network connection, and confirm that you can access https://zoom.us.
Recommend 1
from SSL inspection of a web security gateway, Zoom.Us and * .zoom.us the
it is recommended that you registered in the white list.
Refer to the table below to configure the network firewall.
| protocol | port | sender | destination |
| TCP | 80, 443 | All Zoom clients | * .zoom.us |
| TCP | 443, 8801, 8802 | All Zoom clients | IPv4: 3.80.20.128/25 3.104.34.128/25 3.120.121.0/25 3.208.72.0/25 3.211.241.0/25 4.34.125.128/25 4.35.64.128/25 8.5.128.0/23 13.52.6.128/25 13.52.146.0 / 25 18.205.93.128/25 50.239.202.0/23 50.239.204.0/24 52.61.100.128/25 52.202.62.192/26 52.215.168.0/25 64.69.74.0/24 64.125.62.0/24 64.211.144.0/24 65.39.152.0 / 24 69.174.57.0/24 69.174.108.0/22 99.79.20.0/25 103.122.166.0/23 109.94.160.0/24 115.110.154.192/26 115.114.56.192/26 115.114.115.0/26 115.114.131.0/26 120.29.148.0 /twenty four 160.1.56.128/25 161.199.136.0/22 162.12.232.0/22 162.255.36.0/22 192.204.12.0/22 202.177.207.128/27 202.177.213.96/27 204.141.28.0/22 207.226.132.0/24 209.9.211.0/24 209.9.215.0/24 210.57.55.0/24 213.19.144.0/24 213.19.153.0/24 213.244.140.0/24 221.122.88.64/27 221.122.88.128/25 221.122.89.128/25 IPv6: 2620: 123: 2000 :: / 44 |
| UDP | 3478, 3479, 8801-8810 | All Zoom clients | IPv4: 3.80.20.128/25 3.104.34.128/25 3.120.121.0/25 3.208.72.0/25 3.211.241.0/25 4.34.125.128/25 4.35.64.128/25 8.5.128.0/23 13.52.6.128/25 13.52.146.0 / 25 18.205.93.128/25 50.239.202.0/23 50.239.204.0/24 52.61.100.128/25 52.202.62.192/26 52.215.168.0/25 64.69.74.0/24 64.125.62.0/24 64.211.144.0/24 65.39.152.0 / 24 69.174.57.0/24 69.174.108.0/22 99.79.20.0/25 103.122.166.0/23 109.94.160.0/24 115.110.154.192/26 115.114.56.192/26 115.114.115.0/26 115.114.131.0/26 120.29.148.0 /twenty four 160.1.56.128/25 161.199.136.0/22 162.12.232.0/22 162.255.36.0/22 192.204.12.0/22 202.177.207.128/27 202.177.213.96/27 204.141.28.0/22 207.226.132.0/24 209.9.211.0/24 209.9.215.0/24 210.57.55.0/24 213.19.144.0/24 213.19.153.0/24 213.244.140.0/24 221.122.88.64/27 221.122.88.128/25 221.122.89.128/25 IPv6: 2620: 123: 2000 :: / 44 |
Connection type: Zoom website
| protocol | port | sender | destination |
| TCP | 80, 443 | All Zoom clients | * .zoom.us * .cloudfront.net |
Available web browsers are Google Chrome, Safari, Firefox, Microsoft Edge, and Internet Explorer. Please refer to Internet Explorer for the requirements of each browser.
Proxy server
Zoom supports https / SSL proxy servers via port 443.
Zoom automatically detects proxy settings.
In some cases, you may be prompted to enter a proxy username/password.
See the Zoom homepage for the latest information.
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