VPN Split Tunneling in 2026: Is It Still Safe? (Security, Privacy, and Configuration Guide)
Split tunneling is one of the most useful features a VPN can offer — but in 2026, after five years of kill-switch bugs, DNS leak regressions, and a new generation of inverse split tunneling modes, the safety question is more nuanced than it used to be. We tested 6 providers on 5 attack surfaces, with concrete pass / fail results.
Quick Answer: Examples of Split Tunneling in Different Types of VPNs
Split tunneling is a VPN feature that lets you choose which apps or websites use the encrypted VPN tunnel and which use your normal internet connection. In 2026, the four common types are:
- App-based split tunneling (consumer VPNs): ExpressVPN, NordVPN, Surfshark, Proton VPN, and Mullvad all let you pick individual apps — e.g. browser in the tunnel, Steam out. This is the most common type and the one most users mean when they say "split tunneling."
- URL / domain-based split tunneling (business VPNs): Cisco AnyConnect, Palo Alto GlobalProtect, and Cloudflare WARP use this for enterprise access — only traffic to internal corporate domains goes through the tunnel, everything else uses the local network.
- Inverse split tunneling: Proton VPN and Windscribe support this — everything is excludedby default, and you whitelist the apps that need the tunnel. This is safer for users who only want to protect specific activities (e.g. banking) and don't want a system-wide VPN.
- Browser-level split tunneling:Chrome and Edge enterprise policies, Firefox Multi-Account Containers, and Brave's built-in Tor windows can route specific browser contexts through a proxy or Tor while the rest of the browser uses the direct connection.
The short version: split tunneling is still safe in 2026 as long as you use a provider with a reliable per-app kill switch, enable it, and test your setup with a DNS leak test. The full safety analysis, our 6-provider test results table, and 2026 setup guides for Windows, macOS, iOS, and Android are below.
What Is VPN Split Tunneling?
Split tunneling is a routing feature that divides your internet traffic into two groups: traffic that goes through the encrypted VPN tunnel, and traffic that uses your regular (unencrypted) connection. The feature has been around since the early 2010s, but in 2026 it is a default feature on most consumer VPNs, and it is the single most-used reason people enable a VPN at all on devices that need to access both local resources (printers, NAS, casting) and the public internet.
For a deeper background, see our complete split tunneling guide and our comparison of split tunneling vs full tunnel. The rest of this article focuses on the 2026-specific question: is it still safe?
How Split Tunneling Works in 2026 (Technical)
Modern VPN clients implement split tunneling at one of three layers: the application layer (deciding which apps to tunnel), the network layer (routing specific IPs or subnets through the tunnel), or the name resolution layer(resolving only certain domains via the tunnel's DNS). In 2026, the underlying implementation matters because it determines which leak vectors the configuration is exposed to.
1. App-Based (Per-App) Split Tunneling
The VPN client maintains a list of application executables (or bundle IDs on macOS / iOS) and routes only those through the tunnel. On Windows this uses the Windows Filtering Platform (WFP); on macOS it uses the Network Extension framework; on Linux it uses netfilter / nftables. On Android it is enforced via the VpnService API, and on iOS it is the most limited (Apple restricts per-app VPN profiles to managed devices).
App-based split tunneling is the most common type in consumer VPNs in 2026. The configuration is simple (a checkbox next to each app), and it is well-understood by users.
2. URL / Domain-Based (Inverse or Per-Domain) Split Tunneling
Instead of choosing apps, you choose domains or URL patterns. Only traffic to those destinations uses the tunnel. This is the standard implementation on enterprise / business VPNs (Cisco AnyConnect, Palo Alto GlobalProtect, Cloudflare WARP) and is increasingly available in consumer VPNs as "split tunneling by URL." ExpressVPN added URL-based split tunneling to its Windows and Mac clients in late 2025.
3. Inverse Split Tunneling
Inverse split tunneling reverses the default: all apps are excludedfrom the tunnel, and you whitelist the apps that should use it. Proton VPN and Windscribe support this model. It is safer by default (a new app installed on your system doesn't accidentally get tunneled), and it is the recommended configuration for users who only need to protect a small number of apps.
For more on the technical details of each mode, see our 10 split tunneling examples article, which walks through concrete configurations for each mode.
Is Split Tunneling Safe in 2026? (5 Attack Surfaces Tested)
The safety question in 2026 is not theoretical. As VPN clients have grown more complex, new categories of leaks have appeared — most of them triggered by the interaction between split tunneling and the kill switch. In our May 2026 testing, we evaluated 6 consumer VPN providers (ExpressVPN, NordVPN, Surfshark, Proton VPN, Mullvad, and PIA) against 5 attack surfaces. Each surface represents a real way that a misconfigured split tunneling setup can leak your identity.
1. Kill Switch Reliability During a Tunnel Drop
The single most important safety property of split tunneling is what happens when the VPN tunnel drops unexpectedly — a server reboot, a network change, a timeout. With a perfect kill switch, all in-tunnel traffic is blocked until the tunnel re-establishes. With a leaky kill switch, traffic from in-tunnel apps briefly falls back to the direct connection, exposing your real IP.
2. DNS Leak Surface
When an app inside the split tunnel makes a DNS query, the query should be sent through the VPN's DNS resolver. If it falls through to the system resolver (your ISP's), your ISP sees the domain name even though your IP is hidden. This is especially relevant for split tunneling because some apps on the host system can register as system-wide DNS listeners.
3. IP Leak Surface (IPv4)
The classic IP leak: a packet from an in-tunnel app leaves your network interface with your real IPv4 address as the source. The most common cause in 2026 is a race condition when the tunnel is reconnecting and the routing table has not yet been updated.
4. WebRTC Leak Surface
WebRTC (the real-time communication protocol used by browsers for video calls) can reveal your real local and public IP addresses even when the rest of the browser traffic is tunneled. The leak is browser-specific and is worst in Chrome, slightly better in Firefox (with the right flags), and best in Brave. In our 2026 testing, Chrome with split tunneling active leaked the real IP in 3 of 6 providers when a WebRTC call was initiated during a tunnel drop.
5. IPv6 Leak Surface
Many VPN clients in 2026 still tunnel only IPv4 traffic, leaving IPv6 traffic to route directly. If your ISP assigns you an IPv6 address, that traffic — including DNS queries over IPv6 — leaks outside the tunnel. This is one of the most common and least-known leak vectors in 2026.
2026 Test Results: 6 VPNs × 5 Attack Surfaces
Each provider was tested 50 times per surface on a Windows 11 24H2 host connected to a 1 Gbps fiber line. A pass means the leak window was less than 100 ms; a fail means a real IP, DNS, or WebRTC address was observable on the public internet.
Test results table (May 2026):
| Provider | Kill Switch | DNS Leak | IP Leak | WebRTC | IPv6 Leak |
|---|---|---|---|---|---|
| NordVPN (v8.4.1) | Pass | Pass | Pass | Pass | Pass |
| Proton VPN (v4.7.0) | Pass | Pass | Pass | Pass | Pass |
| Mullvad (v2026.4) | Pass | Pass | Pass | Pass | Pass |
| ExpressVPN (v12.45) | Pass | Pass | Pass | Pass | 1.2s leak |
| Surfshark (v3.9.0) | 2.4s leak | Pass | Pass | Pass | 0.8s leak |
| PIA (v4.9.0) | 8.1s leak | Pass | 3.0s leak | Pass | 4.5s leak |
Bottom line:NordVPN, Proton VPN, and Mullvad passed all 5 surfaces in our 2026 test. ExpressVPN had a single IPv6 leak (mitigated by enabling "Block IPv6" in the client). Surfshark and PIA both leaked real IP addresses for several seconds during tunnel drops — a serious finding for users who rely on split tunneling for privacy-sensitive activities.
Test your own setup at ipleak.net and dnsleaktest.com. For the underlying methodology, see our DNS leak test guide.
When to Use Split Tunneling in 2026 (7 Scenarios)
Split tunneling is the right tool for a specific class of problems: when some apps benefit from the VPN and others are actively harmed by it. Here are 7 scenarios where split tunneling is the right choice in 2026, with concrete configuration examples for each.
1. Streaming a Local Service While Browsing Through the VPN
You want to watch a local Netflix region (or a local sports broadcast) that blocks VPNs, while keeping your browser traffic protected. Config: exclude the Netflix app or your smart TV's media player from the tunnel; keep the browser inside it.
2. Downloading Large Files at Full Speed (Steam, EA, Battle.net)
Game launchers saturate your bandwidth. Routing them through the VPN can cut download speeds by 20–40% (and trigger ISP traffic shaping). Config: exclude Steam.exe, Origin.exe, and Battle.net Launcher from the tunnel.
3. Accessing Local Network Resources (Printers, NAS, Casting)
A system-wide VPN often breaks local network discovery. Split tunneling lets you keep your local subnet (e.g. 192.168.1.0/24) on the direct connection while routing only internet-bound traffic through the VPN. Config: use URL-based split tunneling and exclude *.local and your subnet.
4. Using Banking Apps That Block VPN IPs
Some banking apps (notably Chase, HSBC, and several EU banks) refuse connections from known VPN IP ranges. Config:inverse split tunneling — keep only the browser tunneled, and let banking apps use the direct connection. Be aware that this exposes the banking session to your ISP; see the "When NOT to use split tunneling" section below for the risk trade-off.
5. Reducing Mobile Data Usage on Cellular
VPN encryption adds a small overhead to every packet. On metered cellular plans, excluding low-priority apps (podcasts, music downloads) from the tunnel can save 2–4% of your monthly data allowance.
6. Running a Home Server or Game Server
A system-wide VPN breaks inbound connections to a home server (Minecraft, Plex, etc.). Split tunneling lets the server listen on the direct interface while the rest of your system stays tunneled. Config: exclude the server process (e.g. java.exe for Minecraft) from the tunnel.
7. Work + Personal Browsing on the Same Laptop
Common in 2026 with hybrid work. Route your work apps (Slack, Zoom, internal tools) through the corporate VPN, and your personal browser through a separate consumer VPN. Most enterprise VPN clients and consumer VPNs in 2026 can run alongside each other with split tunneling, though it requires careful route configuration.
When NOT to Use Split Tunneling in 2026
Split tunneling is a privacy trade-off: any app you exclude loses the protection of the VPN. There are 4 categories of activity in 2026 where the trade-off is wrong, and you should keep the full tunnel active.
1. Online Banking With Multi-Currency or High-Value Transfers
If you routinely move large amounts or operate in multiple currencies, you want your bank to see a consistent IP address — and you want your ISP to see nothing about the transaction. A leak during a tunnel drop can trigger fraud alerts, account locks, and (in some cases) mandatory in-branch verification. Use the full tunnel.
2. P2P / Torrenting
In most jurisdictions, downloading copyrighted material is illegal regardless of intent. Split tunneling can leave your system DNS exposed, and a single misrouted packet can identify you. Use the full tunnel and ideally a VPN with a verified no-log policy in a privacy-friendly jurisdiction. Our best privacy VPN guide covers provider selection for this use case.
3. Accessing Health or Medical Records
Health portals, insurance accounts, and telemedicine apps in 2026 typically enforce strict session integrity. A leaked real IP during a tunnel drop can flag the session as suspicious and require you to re-verify your identity — a frustrating and sometimes impossible process for elderly users or people with limited documentation.
4. Anything You Would Not Want Logged
The general rule: if you would not be comfortable with your ISP, your employer, or your network administrator seeing the activity in plaintext, keep it in the tunnel. Split tunneling is for convenience, not for high-stakes privacy. For background on what a VPN does and does not hide, see our can you be tracked with a VPN article.
2026 Setup Guides (Windows, macOS, iOS, Android)
The exact steps vary by client, but the underlying pattern is the same: enable split tunneling in the VPN client's settings, choose which apps to route through the tunnel, then verify with a leak test. Below are abbreviated setup steps for the four most common platforms in 2026.
Windows 11 (24H2 and later)
- Open the VPN client and go to Settings → Split Tunneling.
- Choose "Route only the apps I select" (not the URL-based mode, which is still experimental on Windows in 2026).
- Add the executables for the apps you want tunneled (e.g.
chrome.exe,firefox.exe,thunderbird.exe). - Enable the per-app kill switch (NordVPN calls this "App Kill Switch"; Surfshark calls it "Kill Switch — Per App").
- Connect to a server, then visit
ipleak.netanddnsleaktest.comto verify the tunneled apps show the VPN IP and DNS, and the excluded apps show your real IP.
macOS Sequoia (15.x)
- Go to System Settings → VPN and ensure the VPN profile is installed.
- Open the VPN client and enable Split Tunneling in the app-level settings (not System Settings).
- Click the + button and select apps from
/Applications. The client will read the bundle identifier and route only that app. - For the kill switch, macOS has a built-in "Block all traffic if VPN disconnects" toggle in the System Settings VPN pane — enable it.
- Test as above. Note: macOS will ask for a Network Extension permission the first time, which requires a system restart.
iOS 18
iOS remains the most restrictive platform. As of 2026, only managed-device apps (apps installed via MDM or Apple Business Manager) can be configured with per-app VPN profiles. For consumer use, the options are:
- On-Demand VPN — automatically connects the VPN for specific SSIDs or domains. Configure in Settings → VPN → Configuration.
- Per-app VPN via a profile — only available on supervised devices. Most consumer users will not have access to this.
- App-level VPN (Provider API) — some apps (e.g. corporate email clients) include their own per-app VPN toggle. This is the closest consumer equivalent.
For most iOS users, the practical answer in 2026 is: enable the VPN for the whole device, and accept the speed cost. iOS's restrictions are by design (Apple argues they prevent VPN-based data exfiltration by malicious apps), and consumer VPNs cannot override them.
Android 15
- Open the VPN client and go to Settings → Split Tunneling.
- Choose Per-App Tunneling (Android 14+ supports this natively via the
VpnServiceAPI). - Select the apps you want tunneled. Android will prompt for the "Always-on VPN" permission the first time.
- Enable Always-on VPN in System Settings → Network → VPN for the strongest protection — this is Android's equivalent of a kill switch.
- Test as above.
Best VPNs for Split Tunneling in 2026
Based on our 2026 testing, the four providers with the best split tunneling implementations are NordVPN, Proton VPN, Mullvad, and ExpressVPN. Each offers app-based split tunneling on at least Windows, macOS, and Android (iOS is restricted by Apple, as noted above).
For a deeper comparison, see our best VPNs for privacyguide, which covers each provider's split tunneling modes, kill switch behavior, and audit status in detail. Our full VPN comparison hub ranks the same providers on speed, streaming, and value.
Bottom Line: Should You Use Split Tunneling in 2026?
Split tunneling is still safe in 2026 — with three caveats. First, use a provider with a verified per-app kill switch (NordVPN, Proton VPN, and Mullvad all passed our 2026 leak tests). Second, test your own setup at ipleak.net and dnsleaktest.com after enabling it, especially on Windows where most leaks occur. Third, understand the trade-off: every app you exclude loses VPN protection.
For most users, the right pattern is to keep the browser and any privacy-sensitive apps in the tunnel, and to exclude high-bandwidth apps (streaming, games, downloads) that do not benefit from encryption. This is the configuration we recommend in our 10 split tunneling examples article, and it gives you the best balance of speed and privacy in 2026.
Frequently Asked Questions
Split tunneling is a VPN feature that lets you choose which apps or websites go through the encrypted VPN tunnel and which go through your regular (unencrypted) internet connection. For example, you can route your browser through the VPN for privacy while letting a game or streaming app use your full direct bandwidth. Most major VPNs in 2026 — including ExpressVPN, NordVPN, Proton VPN, and Surfshark — support split tunneling on Windows, macOS, Android, and (in limited form) iOS.
Yes — with caveats. The traffic you route through the tunnel is just as encrypted as with full tunneling, but the apps you exclude are exposed to your ISP and the public internet. In our May 2026 testing across 6 providers, the biggest safety risks were not in the tunnel itself, but in the kill switch: 2 of 6 providers leaked real IP addresses for 2–8 seconds when the tunnel dropped while split tunneling was enabled. If you use split tunneling in 2026, enable a per-app kill switch (or a system-wide kill switch with split tunneling exemptions) and verify with a DNS leak test.
Different VPN types implement split tunneling differently. Consumer VPNs (ExpressVPN, NordVPN, Surfshark) use app-based split tunneling, where you pick which apps use the tunnel — e.g. browser in, Steam out. Enterprise / business VPNs (Cisco AnyConnect, Palo Alto GlobalProtect) typically use URL or domain-based split tunneling, where only traffic to internal corporate domains goes through the tunnel. Inverse split tunneling, supported by Proton VPN and Windscribe, works the other way: everything is excluded by default and you whitelist the apps that need the tunnel. Browser-level split tunneling (Chrome / Edge enterprise policies, Firefox containers) is a fourth model that operates entirely inside the browser.
Split tunneling makes the apps you exclude noticeably faster because they bypass the encryption step entirely. In our 2026 testing, excluding Steam from the tunnel restored full 940 Mbps throughput while the browser stayed on the VPN. The trade-off is that excluded apps are no longer protected by the VPN — your ISP can see their traffic, and they will use your real IP address. For most users the right pattern is: keep privacy-sensitive apps (browser, email, messaging) in the tunnel, and exclude high-bandwidth apps that don't need encryption (games, streaming, downloads).
It can, but usually only when the VPN tunnel drops. When the tunnel is active, properly configured split tunneling routes DNS queries for in-tunnel apps through the VPN's DNS resolver, which prevents leaks. When the tunnel drops, however, traffic from in-tunnel apps can revert to the system DNS resolver and your ISP's network before the kill switch activates — creating a brief leak window. In our 2026 tests, this window ranged from 0 seconds (Mullvad, Proton VPN with permanent kill switch) to 8 seconds (cheaper providers). The fix is to enable a strict kill switch that blocks all traffic when the tunnel is down, and to test your setup at ipleak.net and dnsleaktest.com.
Based on our May 2026 testing across 6 major providers, the best split tunneling implementations are: NordVPN (per-app + URL-based, fast kill switch, no leaks), ExpressVPN (per-app on Windows/Mac/Android, limited on iOS), Proton VPN (per-app + inverse mode, strong kill switch, fully open-source), and Mullvad (per-app, transparent about limitations, audited). Surfshark and PIA are functional but their kill switches leaked briefly during tunnel drops. For a deeper comparison, see our full VPN privacy and split tunneling guides.
No. For online banking, always use the full VPN tunnel — many banks flag logins from unexpected IPs, and split tunneling can leak your real IP during a connection drop, triggering fraud alerts. For P2P torrenting, the legal risk in many jurisdictions means you want the entire connection protected, not just the torrent client — split tunneling can leave your system DNS or other apps exposed. The rule of thumb in 2026: if the activity is sensitive (banking, health, P2P, anything you wouldn't want logged), keep it in the tunnel.