Rule Action
Since sing-box 1.11.0
Final actions
route
route
inherits the classic rule behavior of routing connection to the specified outbound.
outbound
Required
Tag of target outbound.
udp_disable_domain_unmapping
If enabled, for UDP proxy requests addressed to a domain, the original packet address will be sent in the response instead of the mapped domain.
This option is used for compatibility with clients that do not support receiving UDP packets with domain addresses, such as Surge.
reject
reject
reject connections
The specified method is used for reject tun connections if sniif
action has not been performed yet.
For non-tun connections and already established connections, will just be closed.
method
default
: Reply with TCP RST for TCP connections, and ICMP port unreachable for UDP packets.drop
: Drop packets.
no_drop
If not enabled, method
will be temporarily overwritten to drop
after 50 triggers in 30s.
Not available when method
is set to drop.
hijack-dns
hijack-dns
hijack DNS requests to the sing-box DNS module.
Non-final actions
sniff
sniff
performs protocol sniffing on connections.
For deprecated inbound.sniff
options, it is considered to sniff()
performed before routing.
sniffer
Enabled sniffers.
All sniffers enabled by default.
Available protocol values an be found on in Protocol Sniff
timeout
Timeout for sniffing.
300ms
is used by default.
resolve
resolve
resolve request destination from domain to IP addresses.
strategy
DNS resolution strategy, available values are: prefer_ipv4
, prefer_ipv6
, ipv4_only
, ipv6_only
.
dns.strategy
will be used by default.
It should be noted that, due to the basic principles of DNS, prefer_
options only affect queries
initiated from within sing-box (unless fake-ip is used),
and cannot make applications that initiates queries give priority to the network you want.
server
Specifies DNS server tag to use instead of selecting through DNS routing.