Firewall Software Mac Address Filtering

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If you're looking for a way of accessing devices from remote networks, then you won't be able to use MAC address filtering. You should look into openVPN on the pfsense. This will tunnel you (and only you) back to your network. Plenty of guides (plus the inbuilt wizard in pfsense itself) to show you how this works. Jan 27, 2020 Click the option to add a new MAC filter. When you locate the MAC filtering option in the web interface, click the option to add a new MAC address. The button will most likely be an icon that says 'Add' or a plus sign (+) or something similar. Firewall rules are by IP address. You can give each device a static-mapped DHCP entry so each device gets the same IP address every time. Then filter on that IP address(es). People with their own client devices can always: a) Set their own IP address in the device b) Change their MAC address. Oct 08, 2013 1) find the MAC address you’d like to block from Advanced - Status - DHCP Table then Advanced - Configuration - Time Schedule 2) To create the MAC filters, browse to Advanced - Configuration - Firewall - Ethernet MAC Filter. The MAC address of an interface on a firewall (UTM) appliance can be found: On the GUI, go to Network Interfaces, select the interface and click the Edit icon. Move to the Advanced tab and here you will find the interface's MAC Address.

  • Error 17
  • Error 1639
  • Errors 3000-3020
  • Error 3194
  • Errors 3100-3999
  • This device isn't eligible for the requested build

If you see one of these messages and need help updating or restoring your iOS or iPadOS device, make sure your Mac is up-to-date. If you're using iTunes, install the latest version of iTunes and try to update or restore your device again. If you still can't update or restore, follow the steps below.

Address TCP/IP filtering, firewall, or security software

If you have TCP/IP filtering, firewall, or security software installed on your computer, try these steps.

  1. Configure or temporarily uninstall your security software.
  2. Be sure you have a working Internet connection. Try visiting or contact your Internet service provider for more help.
  3. Bypass your Internet router. Some routers might block iTunes from accessing the update server. If you're using a router that isn't manufactured by Apple, try the following:
  • Disconnect from your wired or wireless router and use an Ethernet cable to connect your computer directly to your modem.
  • Restart your computer and modem. Contact your Internet service provider for instructions on using your modem.

After you confirm your Internet connection is working, try to update or restore your iOS or iPadOS device again.

Restore or update from another computer

Try to restore or update on another computer with a different Internet connection. This helps to make sure there aren't issues with your computer that might stop it from communicating with the update server.

Errors 1639, 3000-3020, and 3100-3999 (with the exception of 3194) are sometimes caused by your network settings. If your computer uses a managed network, refer to your network administrator. Proxies, firewalls, and other network security measures can cause these errors. If necessary, find a different network connection to restore the device. For example, if you're restoring at work, try to restore at home or on a friend's computer and network.

Check your hosts file

After you update your Mac or iTunes to the latest version, check the hosts file to make sure your computer can contact the update server.


If you’re using a Windows computer, follow the steps from the Microsoft support site. Resetting the hosts file affects software services that rely on hosts file redirects. If you're using Windows on a business computer, consult your IT department to be sure applications work correctly after you reset your hosts file.


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If you're using a Mac, follow these steps:

1. In the Finder, choose Applications > Utilities.

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2. Open Terminal.

3. Type this command and press Return:

4. Enter the password you use to sign in to your computer and press Return. You won't see text appear in the Terminal window when you type your password.

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5. Terminal displays the hosts file. If you don't see a window similar to the one below, make sure you're using a nonblank administrator password.

6. Navigate using the arrow keys and look for an entry containing “”.

If you don't see any entry containing, then the hosts file isn't related to the issue. Close the Terminal and go to the 'Address TCP/IP filtering, firewall, or security software' section of this article.

7. Add the # symbol and a space ('# ') to the beginning of the entry.

8. Press Control-O to save the file.

9. Press Return when asked for the filename.

10. Press Control-X to exit the editor.

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11. Restart your Mac.

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After your computer is finished restarting, try to update or restore your iOS or iPadOS device again.