"dns" in autoSystemWfpBlockLeak only blocked port 53 outside the TUN, plus
the DNS Client service on Windows 11 and Server 2022 and later, so other
programs' DNS over TLS (TCP 853) and DNS over QUIC (UDP 853) could still
leave outside the TUN.
autoSystemWfpBlockLeak now takes:
- "tcp/<port>", "udp/<port>": connections to that port may only go through
the TUN (or come from Xray itself).
- "windnsclient": Windows' DNS Client service may only connect through the
TUN, except for mDNS and LLMNR. As before, this only applies from Windows
11 and Server 2022 on, where the service may use DoH or DoT to any port;
earlier versions only query port 53.
- "dns": stands for "udp/53", "tcp/53", "windnsclient", "tcp/853" and
"udp/853".
- "misconfigtun": unchanged.
Values are case-insensitive, deduplicated, and anything else, such as
"tcp/0" or "icmp/1", is rejected. Keeping the system's DNS inside the TUN,
with "udp/53", "tcp/53" or "windnsclient", needs dns to be set, as "dns"
did; ports like 853 alone do not. Each port gets its own permit-through-TUN
and block filters with a protocol condition, where port 53 used to have one
for both protocols, and the log lists what is blocked, e.g. "[tun] blocked
outside the TUN: udp/53, tcp/53, tcp/853, udp/853, windnsclient".
Tested on Windows 11 with a Wintun adapter as the outside interface: with
"tcp/853", "udp/853", "tcp/7215" and "udp/7216", those are blocked outside
the TUN over IPv4 and IPv6, while tcp/7216, udp/7215 and 443 are not, port
853 works through the TUN, Xray's own connections to port 853 still leave
outside it, and nothing is blocked after Xray stops.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Proxy: Implement tun raw network interface inbound support for Linux
* Proxy: Tun. Include "android" as build condition for build of tun_default implementation
* Proxy: Tun. Add .Close() cleanup calls to Handler.Init() where needed
* Proxy: Add Tun for Android
* Proxy: Tun. Implement Windows support
---------
Co-authored-by: yuhan6665 <1588741+yuhan6665@users.noreply.github.com>
