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SmartDNS-rs 🐋 is a local DNS server imspired by C SmartDNS to accepts DNS query requests from local clients, obtains DNS query results from multiple upstream DNS servers, and returns the fastest access results to clients. Avoiding DNS pollution and improving network access speed, supports high-performance ad filtering.
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Multiple upstream DNS servers
Supports configuring multiple upstream DNS servers and query at the same time.the query will not be affected, Even if there is a DNS server exception.
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Return the fastest IP address
Supports finding the fastest access IP address from the IP address list of the domain name and returning it to the client to avoid DNS pollution and improve network access speed.
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Support for multiple query protocols
Supports UDP, TCP, DoT, DoQ, DoH, DoH3 queries and service, and non-53 port queries, effectively avoiding DNS pollution and protect privacy, and support query DNS over socks5, http proxy.
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Domain IP address specification
Supports configuring IP address of specific domain to achieve the effect of advertising filtering, and avoid malicious websites.
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DNS domain forwarding
Supports DNS forwarding, ipset and nftables. Support setting the domain result to ipset and nftset set when speed check fails.
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Windows / MacOS / Linux multi-platform support
Supports installing as a service and running it at startup.
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Support IPV4, IPV6 dual stack
Supports IPV4, IPV6 network, support query A, AAAA record, dual-stack IP selection, and filter IPV6 AAAA record.
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DNS64
Supports DNS64 translation.
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High performance, low resource consumption
Tokio-based multi-threaded asynchronous I/O model; caches query results; supports most-used domain name expired prefetching, query '0' milliseconds, without eliminating the impact of DoH and DoT encryption.
Note: The C version of smartdns is very functional, but because it only supports Linux, while MacOS and Windows can only be supported through Docker or WSL. Therefore, I want to develop a rust version of SmartDNS that supports compiling to Windows, MacOS, Linux and Android Termux environment to run, and is compatible with its configuration.
It is still under development, please do not use it in production environment, welcome to try and provide feedback.
Please refer to TODO for the function coverage
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MacOS
If you have installed brew, you can directly use the following command to install.
brew update brew install smartdns
Note: Listening on port 53 requires root permission, so
sudo
is required.The command
sudo smartdns service start
forbrew
installedsmartdns
is the same assudo brew services start smartdns
.If you don't have
brew
installed, just download the compiled program compression package and install it as below. -
Windows / Linux
Go to here to download the package and decompress it.
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Get help
./smartdns help
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Run as foreground, easy to check the running status
./smartdns run -c ./smartdns.conf -v
-v
is enabled to print debug logs.
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Run as background service, run automatically at startup
Get help of service management commands.
./smartdns service help
Note: Installed as a system service, administrator / root permissions are required.
Service management is compatible with all systems, call sc on Windows; call
launchctl
orbrew
on MacOS; callSystemd
orOpenRc
on Linux.
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The following is the simplest example configuration
# Listen on local port 53
bind 127.0.0.1:53
# Configure bootstrap-dns, if not configured, call the system_conf,
# it is recommended to configure, so that it will be encrypted.
server https://1.1.1.1/dns-query -bootstrap-dns -exclude-default-group
server https://8.8.8.8/dns-query -bootstrap-dns -exclude-default-group
# Configure default upstream server
server https://cloudflare-dns/dns-query
server https://dns.quad9.net/dns-query
server https://dns.google/dns-query
# Configure the Office(Home) upstream server
server 192.168.1.1 -exclude-default-group -group office
# Domain names ending with ofc are forwarded to the office group for resolution
nameserver /ofc/office
# Set static IP for domain name
address /test.example.com/1.2.3.5
# Block Domains (Ad Blocking)
address /ads.example.com/#
For more advanced configurations, please refer to here , and refer to TODO for the function coverage.
Assuming you have installed Rust, then you can open the terminal and execute these commands:
git clone https://github.com/mokeyish/smartdns-rs.git
cd smartdns-rs
# install patch-crate
cargo install patch-crate
# patch crates
cargo patch-crate
# build
cargo build --release
# print help
./target/release/smartdns --help
# run
sudo ./target/release/smartdns run -c ./etc/smartdns/smartdns.conf
This software wouldn't have been possible without:
This software contains codes from https://github.com/hickory-dns/hickory-dns, which is licensed under either of
- Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
And other codes is licensed under
- GPL-3.0 license (LICENSE-GPL-3.0 or https://opensource.org/licenses/GPL-3.0)
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the GPL-3.0 license, shall be licensed as above, without any additional terms or conditions.