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I recently purchased Trend Micro Anti-Virus Client security for our company. It includes a firewall addon to its package, which is great. The question is, I want to implement this feautre on our remote laptop users, but have it centrally organized. In that case, I want to make sure I have all the ports I need open. <br />
<br />
What ports should I open for users on the laptops? Take in account the users could be on site, accessing VPN, or just internet usage. I know you would need to know what services that would be running, but lets cover the basics...<br />
<br />
file sharing, dns, dhcp, etc<br />
<br />

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I recently purchased Trend Micro Anti-Virus Client security for our company. It includes a firewall addon to its package, which is great. The question is, I want to implement this feautre on our remote laptop users, but have it centrally organized. In that case, I want to make sure I have all the ports I need open. 

What ports should I open for users on the laptops? Take in account the users could be on site, accessing VPN, or just internet usage. I know you would need to know what services that would be running, but lets cover the basics...

file sharing, dns, dhcp, etc



Firewall Ports

Software firewalls, also known as host-based firewalls, provide a layer of software on one host that controls network traffic in and out of that single machine. Most operating systems now include firewall software, but many available software firewalls include central distribution, antivirus systems and disaster recovery.

Software Firewalls

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.

Hardware Firewalls

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.