You want to restrict communication between the GSS server and the client agent(DAgent) at certain times.
No error but jobs will run even though the client is in this access denied window of time.
This is a programmatic issue and will be resolved in future releases.
GSS 3.x prior to 3.3 Ru2
Agent has the following option configured as shown below:
This will be resolved in the GSS 3.3 Ru2 update when it is released. See https://support.symantec.com/en_US/article.DOC8558.html for more information on GSS documentation and release notes.
Symantec has acknowledged that the abovementioned issue is present in the current version(s) of the product(s) mentioned at the end of this article. Symantec is committed to product quality and satisfied customers.