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Cannot access Zoom Website or App while in office

zionzz
Newcomer
Newcomer

Hi, my office cannot access any zoom relate app or website. Only show ERR_CONNECTION_RESET in Chrome.

In app it show error code:1005456000

But when connect to another network, everything works.

 

We checked zoom ip and port list here

https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0060548#h_01EJHWFBNWZ34RMGW03S65RV...

But all I see in firewall outbound are using port 137 which is not listed in required port. So, it all deny.

 

Example below are outbound IP and port that firewall deny during testing.

Some are Zoom IP with wrong port but I'm not sure about others.

40.126.53.24:137

51.141.119.73:137

52.109.89.119:137

52.109.44.112:137

52.184.217.56:137

170.114.52.2:137 

152.195.38.76:137

 

23.11.200.26:443

23.11.200.138:443

172.217.194.94:443

142.251.12.147:443

 

Please tell me what to check further. 

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