Our customer configured split-tunnel on VM to include only certain IP addresses and domains and want to exclude any other traffic, so exclude options are blank. It seems that some traffic is still routed through tunnel (f.e.Telegram, bittorrent etc.)
We tested this config on panos 10.1.6 as well as on 10.1.10. Also we were testing it on different GP versions, but the result was the same. We sniffed traffic and can see that it is going through tunnel.
I can see in pangps that access routes are successfully pushed to the agent and route print shows those routes.
It works only if we deny unnecessary traffic in security policy but its not quite what we expect.
Did someone face the same issue?
Make sure the policy is setup correctly for domains and applications. Also make sure the customer is not subject to any compliance regulations as most, if not all, do not allow for split tunneling.
I was testing everything. Here are some new findings.
- Behavior is the same on two different firewalls in different countries so we don't think that regulatory compliance is the problem.
- This problem doesn't relate to Mac endpoints, only windows is affected. I saw an article when DELL optimizer can interfere split tunnel, but there is no such app on affected endpoints.
Any thoughts about that?
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