Firewall

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@Anjel3 wrote:
How do I reset my firewall to a higher security.

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Well, that would depend on who's the manufacturer of your hardware/software. 

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@Anjel3 wrote:
How do I reset my firewall to a higher security.

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If you are talking about a Comcast supplied gateway device, be careful if you do that. It tends to break a lot of web applications ! It's overkill. 

Why do you think that you need to raise the level ?