NordVPN split tunneling allows apps to bypass firewall rules.


Sqrly

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198
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Windroid 11 Pro
I'm trying out NordVPN and using thier program.

I turned on split tunneling and set it to "Type: Enable VPN for selected apps". Then added a few browsers to the list.

I opened a browser I added and one I didn't and confirmed on ipleak they returned different ips. This would be good, no need to turn vpn on and off, I can just leave it on.


Then I went to mux a video file with MKVToolnix. When I opened the program I got a popup that an update was available. But I have that program blocked in the firewall. I block everything I don't specifically need or want to have network access.

I started checking, other programs I have blocked in the firewall could now access the internet too.

I turned off the split tunneling and my firewall is working as expected again.

I've contacted NordVPN support, I've yet to recieve an intelligent reply, only form letters so far. I've also sent them a link to this post.

Note: I use the built in firewall and the stand alone version of Windows Firewall Control.

VPN-issue.webp
 

My Computers

System One System Two

  • OS
    Windroid 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    Intel Core i9-14900K Raptor Lake Refreshed 6.0 GHZ
    Motherboard
    MSI MAG Z790 Tomahawk WiFi
    Memory
    32GB (2x16) GSKILL Trident Z5 RGB Series (Intel XMP 3.0) DDR5 RAM 6700MT/s
    Graphics Card(s)
    MSI Gaming GeForce RTX 4070 12GB
    Sound Card
    Onboard Realtek® ALC4080 Codec
    Monitor(s) Displays
    Monitor #1 Samsung Odyssey G50A WQHD G-Sync HDR10 Monitor #2 HP LA1911
    Screen Resolution
    2560x1440 and 1280x1024
    Hard Drives
    Samsung 980 PRO SSD 1TB PCIe 4.0 NVMe Gen 4 Gaming M.2 (150GB System / 850GB More Games)
    Crucial CT2000MX500SSD1 2TB (Games)
    Western Digital Green WD40EZRX 4TB (Data/Backup)
    Western Digital Blue WD60EZAZ 6TB (Storage)
    Western Digital Blue WD60EZAZ 6TB (Media)
    PSU
    Rosewill Hive-750S
    Case
    Cooler Master Elite 430 Mid Tower
    Cooling
    Cooler Master ML240L V2 Liquid CPU cooler + 3x120mm in + Isolated PSU Standard upward flow
    Keyboard
    Microsoft Natural Elite White PS/2 (with usb adapter)
    Mouse
    Microsoft D67-00001 Trackball Optical Mouse (rebuilt with ceramic bearings)
    Internet Speed
    450Mb/s hard wired
    Browser
    Edge, FF, Tor
    Antivirus
    Win Def
    Other Info
    Razer Tartarus V2 Gaming Keypad
    Logitech Z-5500 5.1 THX 505w (Orignal 10" Sub with (Fr, Rr, Ctr) Polk Audio satellites
  • Operating System
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    Intel Core i9-14900K Raptor Lake Refreshed 6.0 GHz FCLGA1700 (Gen 14)
    Motherboard
    MSI MAG Z790 Tomahawk WiFi
    Memory
    32GB (2x16) GSKILL Trident Z5 RGB Series (Intel XMP 3.0) DDR5 RAM 6700MT/s
    Graphics card(s)
    MSI Gaming GeForce RTX 3060Ti 8GB
    Sound Card
    Onboard Realtek® ALC4080 Codec
    Monitor(s) Displays
    Monitor #1 Samsung Odyssey G50A WQHD G-Sync HDR10 Monitor #2 Samsung TU7000 55" TV
    Screen Resolution
    2560x1440 and 3840x2160
    Hard Drives
    Samsung 980 PRO SSD 1TB PCIe 4.0 NVMe Gen 4 Gaming M.2 (System)
    Samsung 980 PRO SSD 2TB PCIe 4.0 NVMe Gen 4 Gaming M.2 (Games)
    Crucial CT1000MX500SSD1 1TB (More Games)
    WD Green WD20EZRX 2TB (Data/Backup)
    WD Blue WD60EZAZ 6TB (Media)
    PSU
    Rosewill Hive-750S
    Case
    Cooler Master N400 NSE-400-KKN2 Mid-Tower
    Cooling
    Cooler Master ML240L V2 Liquid CPU cooler + 3x120mm in + 2x120mm + Isolated PSU Reverse flow front exhaust
    Mouse
    MSI G20 Elite and Logitech MK345 Wireless
    Keyboard
    Logitech MK345 Wireless
    Internet Speed
    350Mb/s hard wired
    Browser
    FF
    Antivirus
    Win Def
    Other Info
    Razer Tartarus Gaming Keypad
    MSI GC30 Gaming Controller (Xbox style)
Recent reply from NordVPN.

Which is rather ironic as I canceled it after less then a week because I could only connect about 75% of time.

Capture.webp
 

My Computers

System One System Two

  • OS
    Windroid 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    Intel Core i9-14900K Raptor Lake Refreshed 6.0 GHZ
    Motherboard
    MSI MAG Z790 Tomahawk WiFi
    Memory
    32GB (2x16) GSKILL Trident Z5 RGB Series (Intel XMP 3.0) DDR5 RAM 6700MT/s
    Graphics Card(s)
    MSI Gaming GeForce RTX 4070 12GB
    Sound Card
    Onboard Realtek® ALC4080 Codec
    Monitor(s) Displays
    Monitor #1 Samsung Odyssey G50A WQHD G-Sync HDR10 Monitor #2 HP LA1911
    Screen Resolution
    2560x1440 and 1280x1024
    Hard Drives
    Samsung 980 PRO SSD 1TB PCIe 4.0 NVMe Gen 4 Gaming M.2 (150GB System / 850GB More Games)
    Crucial CT2000MX500SSD1 2TB (Games)
    Western Digital Green WD40EZRX 4TB (Data/Backup)
    Western Digital Blue WD60EZAZ 6TB (Storage)
    Western Digital Blue WD60EZAZ 6TB (Media)
    PSU
    Rosewill Hive-750S
    Case
    Cooler Master Elite 430 Mid Tower
    Cooling
    Cooler Master ML240L V2 Liquid CPU cooler + 3x120mm in + Isolated PSU Standard upward flow
    Keyboard
    Microsoft Natural Elite White PS/2 (with usb adapter)
    Mouse
    Microsoft D67-00001 Trackball Optical Mouse (rebuilt with ceramic bearings)
    Internet Speed
    450Mb/s hard wired
    Browser
    Edge, FF, Tor
    Antivirus
    Win Def
    Other Info
    Razer Tartarus V2 Gaming Keypad
    Logitech Z-5500 5.1 THX 505w (Orignal 10" Sub with (Fr, Rr, Ctr) Polk Audio satellites
  • Operating System
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    Intel Core i9-14900K Raptor Lake Refreshed 6.0 GHz FCLGA1700 (Gen 14)
    Motherboard
    MSI MAG Z790 Tomahawk WiFi
    Memory
    32GB (2x16) GSKILL Trident Z5 RGB Series (Intel XMP 3.0) DDR5 RAM 6700MT/s
    Graphics card(s)
    MSI Gaming GeForce RTX 3060Ti 8GB
    Sound Card
    Onboard Realtek® ALC4080 Codec
    Monitor(s) Displays
    Monitor #1 Samsung Odyssey G50A WQHD G-Sync HDR10 Monitor #2 Samsung TU7000 55" TV
    Screen Resolution
    2560x1440 and 3840x2160
    Hard Drives
    Samsung 980 PRO SSD 1TB PCIe 4.0 NVMe Gen 4 Gaming M.2 (System)
    Samsung 980 PRO SSD 2TB PCIe 4.0 NVMe Gen 4 Gaming M.2 (Games)
    Crucial CT1000MX500SSD1 1TB (More Games)
    WD Green WD20EZRX 2TB (Data/Backup)
    WD Blue WD60EZAZ 6TB (Media)
    PSU
    Rosewill Hive-750S
    Case
    Cooler Master N400 NSE-400-KKN2 Mid-Tower
    Cooling
    Cooler Master ML240L V2 Liquid CPU cooler + 3x120mm in + 2x120mm + Isolated PSU Reverse flow front exhaust
    Mouse
    MSI G20 Elite and Logitech MK345 Wireless
    Keyboard
    Logitech MK345 Wireless
    Internet Speed
    350Mb/s hard wired
    Browser
    FF
    Antivirus
    Win Def
    Other Info
    Razer Tartarus Gaming Keypad
    MSI GC30 Gaming Controller (Xbox style)
have you considered another firewall even if its just to test if this VPN is bypassing all firewall rules.

best of luck, Steve ..
 

My Computers

System One System Two

  • OS
    .. Debian 'Testing' .. Win 11 24H2 Home
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP 24" AiO
    CPU
    Ryzen 7 5825u
    Motherboard
    HP
    Memory
    64GB DDR4 3200
    Graphics Card(s)
    Ryzen 7 5825u
    Sound Card
    RealTek
    Monitor(s) Displays
    24" HP AiO
    Hard Drives
    1TB WD Blue SN580 M2 SSD Partitioned.
    2x 1TB USB HDD External Backup/Storage.
    Internet Speed
    900MB full fibre
    Browser
    Firefox ESR & Thunderbird
    Antivirus
    ClamAV TK
    Other Info
    Mainly Open Source Software
  • Operating System
    Ubuntu 22.04.5 LTS
    Computer type
    Laptop
    Manufacturer/Model
    Dell 13" Latitude 2017
    CPU
    i5 7200u
    Motherboard
    Dell
    Memory
    16GB DDR4
    Graphics card(s)
    Intel
    Sound Card
    Intel
    Monitor(s) Displays
    13" Dell Laptop
    Hard Drives
    250GB Crucial 2.5" SSD
    Mouse
    Gerenic 3 button
    Internet Speed
    WiFi only
    Browser
    FireFox
    Antivirus
    ClamAV TK
    Other Info
    Mainly Open Source Software

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