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PureVPN IPv6 Leak
My personal blog
The issues affect both their GUI (v2.10.0) and CLI (v2.0.1) clients on Linux (tested on Ubuntu 24.04.3 LTS, kernel 6.8.0, iptables-nft backend). CLI (IKS enabled): The client auto-reconnects and reports status as “connected”, yet the system regains a default IPv6 route via Router Advertisements ( fe80::1). Does not properly implement an IPv6 kill-switch Leaves IPv6 egress open after reconnects or IKS events Wipes your firewall state ( iptables) and does not restore it Applies broad ACCEPT policies to make things work
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