As another example, applications running on your device can find out your internal IP, and if you've installed software that is malicious, it can also leak that information.Īnd theoretically, a static internal IP that is leaked, together with obtaining a payment record, could help to identify a user. Why? Because if a user experiences WebRTC leaks, that static internal IP address could leak externally. We acknowledge that keeping a static IP for each device, even internally, is not ideal. What are your thoughts on the internal WireGuard IP address being static? If you're not safe from WebRTC, take necessary action. Whatever protocol you use for connecting to Mullvad, you should perform a leak test. No, not more than if you're not using WireGuard. Does using WireGuard put me at greater risk for leaks? There is never a need to log user activity no matter if you're using OpenVPN or WireGuard. Is logging of any user activity required in order for WireGuard to work? If you want to hide your public IP even more, use multihopping. Doing so removes the public IP address and any info about when it last performed a handshake. By default, WireGuard deletes this information if this server has been rebooted or if the WireGuard interface has restarted.įor us this wasn't enough, so we added our own solution in that if no handshake has occurred within 600 seconds, the peer is removed and reapplied. When using WireGuard, your public WireGuard IP address is temporarily left in memory (RAM) during connection. ![]() Is it true that a user's public IP must be logged in order for WireGuard to work? With a background in kernel exploit development, we don't expect the creator of WireGuard to have written code that contains 100 times more vulnerabilities than IPSec or OpenVPN. The more code used, the greater the chance of a vulnerability being present in those lines. The simplicity of the protocol state machine the fact that it can be implemented without dynamic memory allocation and the cryptographic primitives used are all arguably equally or more useful.Įven the attack surface is much smaller: WireGuard is written with less than 7,000 lines of code whereas IPSec contains 400,000 lines (OpenVPN is of similar complexity). Code audits and the project age function as signals for decision makers, but if you look deeper, there are other, stronger signals. We believe that the security of WireGuard as a protocol and its Linux kernel implementation are superior to all alternatives. This was the case well before its initial implementation into Linux kernel 5.6 in March 2020. WireGuard is considered stable by its own team and many security experts (including us). What is the development status of WireGuard? You can have up to 5 WireGuard keys at a time, each one for a different device, so 5 devices.
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