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Configuring your PFSense Firewall to Limit Web and Email to Un-Trusted Devices

PFSense Authorized Partner LogoFor schools or businesses that allow access only to internal resources and web pages, blocking the internet is important.  

In this video, I show you a simple way to block internet and web from unknown devices while still giving access to computers and devices you trust.  We will be covering the following points

  • – Add a Firewall Alias for 3CX Phone System
  • – Add a firewall alias for trusted computers
  • – Allow outbound traffic for 3CX and trusted computers
  • – Block all other devices for standard web browsing and email traffic

To find out more about the PFSense SG2440, visit:

Firewall Ports to block for web browsing and email.  These ports are all TCP.

  • 80 – HTTP Standard Internet
  • 443 – HTTPS Encrypted Internet
  • 25 – Outbound Email
  • 2525 – Outbound Email Alternate
  • 465 – Outbound Email Encrypted
  • 587 – Outbound Email Encrypted Alternate
  • 110 – Inbound Email POP3
  • 995 – Inbound Email POP3 Encrypted
  • 143  – Inbound Email IMAP
  • 993 – Inbound Email IMAP Encrypted.
☎ Darvin Zuch
Business Phone Systems and Call Centers
Dar Zuch | Calgary | | (403) 668-7895 x200

All the marketing in the world will not grow your business if you don’t answer your phone. Responding to the traffic caused by your company’s activities is proven to promote growth both in the short and long terms.

Hi my name is Dar Zuch and I’m the COO of Helia Technologies. We help companies with their phones.

Business phone systems can be deployed quickly for those looking to limit capital expense. Hosted phone systems today fill the needs of 90% of organizations with flexibility previously unavailable. It really comes down to a simple truth. Phone calls must be answered. Each and every one of them and before they go to voicemail.

Reviewing how your calls are handled and ensuring that callers are responded to quickly and consistently is the only sure way of growing your business. Come to one of our seminars or simply drop us a line.

When you start looking at your phone options we’re ready to help out.

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Dar Zuch

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