Install Agent InsightVM when client using proxy Symantec

Any help for me?

We use proxy Symantec to monitor internet access.

When I did install Agent with proxy Symantec, but agent can’t work.

I see agent using socket protocol to connection. But i don’t know if i need to configure socket on symantec proxy or not?

Has anyone ever installed an agent with a symantec proxy, can you give me a hint. Thank you very much.