Hi,
If you like to have comment in english let me know,
Q: Where the firewall rule saved in SEPM
A: it will be saved in the DB tableL please check this article
Symantec Endpoint Protection Manager 12.1.2 Database Schema
Article:DOC6039
Article URL http://www.symantec.com/docs/DOC6039
Q: Where to add "Msoobe.exe", in the firewall rule?
A: Insist of adding in firewall rule you can add in cetralized exception , If you realy know about this program and safe to use
Creating Centralized Exceptions Policies in the Symantec Endpoint Protection Manager 11
Article:TECH104326
Article URL
http://www.symantec.com/docs/TECH104326
Q: SEP check internet connection while booting.
A: Yes
What happen any issue with internet getting block need to disable firewall to make it work?