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SS-NAT(1) Shadowsocks-libev Manual SS-NAT(1)

ss-nat - helper script to setup NAT rules for transparent proxy

ss-nat [-ouUfh] [-s <server_ip>] [-S <server_ip>] [-l <local_port>] [-L <local_port>] [-i <ip_list_file>] [-a <lan_ips>] [-b <wan_ips>] [-w <wan_ips>] [-e <extra_options>]

Shadowsocks-libev is a lightweight and secure socks5 proxy. It is a port of the original shadowsocks created by clowwindy. Shadowsocks-libev is written in pure C and takes advantage of libev to achieve both high performance and low resource consumption.
ss-nat(1) sets up NAT rules for ss-redir(1) to provide traffic redirection. It requires netfilter’s NAT module and iptables(8). For more information, check out shadowsocks-libev(8) and the following EXAMPLE section.

-s <server_ip>
IP address of shadowsocks remote server
-l <local_port>
Port number of shadowsocks local server
-S <server_ip>
IP address of shadowsocks remote UDP server
-L <local_port>
Port number of shadowsocks local UDP server
-i <ip_list_file>
a file whose content is bypassed ip list
-a <lan_ips>
LAN IP of access control, need a prefix to define access control mode
-b <wan_ips>
WAN IP of will be bypassed
-w <wan_ips>
WAN IP of will be forwarded
-e <extra_options>
Extra options for iptables
-o
Apply the rules to the OUTPUT chain
-u
Enable udprelay mode, TPROXY is required
-U
Enable udprelay mode, using different IP and ports for TCP and UDP
-f
Flush the rules
-h
Show this help message and exit

ss-nat requires iptables(8). Here is an example:
# Enable NAT rules for shadowsocks,
# with both TCP and UDP redirection enabled,
# and applied for both PREROUTING and OUTPUT chains
root@Wrt:~# ss-nat -s 192.168.1.100 -l 1080 -u -o
# Disable and flush all NAT rules for shadowsocks root@Wrt:~# ss-nat -f

ss-local(1), ss-server(1), ss-tunnel(1), ss-manager(1), shadowsocks-libev(8), iptables(8), /etc/shadowsocks-libev/config.json
01/02/2019 Shadowsocks-libev 3.1.3

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