How to Block to block internet access in SEPM machine
A Quick Note: It is important to have the Application and Device control and Firewall Installed on each Client machine.
Here are few Articles for the same:
There are few Threads on the same issue as well, I would suggest a quick look into the same.
Check this thread
Thanks In Advance
1. Go to Firewall policy > Rules.
2. Click on Add Rule button. Select Host > Next > From Address Type drop down menu select DNS domain.
3. Select DNS Domain as *.* then Click Next > Click Finish.
4. Once the rule is created, highlight the New Rule. Go to Service column, right click and edit, then select Add. The rule will be TCP, Source/destination with remote port 80,443 click ok and ok again. Then go to Action column and make it set to "Block".
The above rule is to block all the websites.
Please click the "Mark as solution" link at bottom left on the post that best answers your question. This will benefit admins looking for a solution to the same problem.
Any specific reason, you would like to block internet from SEPM?
When you block internet, this would block SEPM from receiving Virus definitions as well.
Make sure you take a proper decision before you take this step.
Secondly, check this Thread: https://www-secure.symantec.com/connect/forums/block-sites
Hope that helps!!
MIM | MCSA | MCTS | STS | SSE | SSE+ | ITIL v3
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