If you delete or uncheck all of the rules, it will default to a Block_all rule.
However, this doesn't block all traffic. I'm still able to send web traffic, ICMP, etc.
However, I cannot do things like UPnP discovery (default rule).
So it looks like all the default rules in the policy are still enforced even if you uncheck or disable them but they fall under a rule called Block_all
I found this:
Unmanaged Symantec Endpoint Protection Client Blocks VM-Ware Internet Traffic
Article:TECH102813 |
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Created: 2007-01-05 |
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Updated: 2008-01-12 |
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Article URL http://www.symantec.com/docs/TECH102813
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But it points to a bug in a much older version. I just tested on 12.1.2 unmanaged
Is your client unmanaged?
Seems like the workaround is to add an allow rule
There is deinfintely something in place although it doesn't block all traffic...like the rule name would imply.