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3.3 KiB
3.3 KiB
shadowsocks-libev
Intro
Shadowsocks-libev is a lightweight secured scoks5 proxy for embedded devices and low end boxes.
It is a port of shadowsocks created by @clowwindy maintained by @madeye.
Current version: 1.2 
Features
Shadowsocks-libev is writen in pure C and only depends on libev.
When statically linked and packaged for OpenWRT, the total package size is 23KB. In normal usage, the memory consumption is about 600KB and the CPU utilization is no more than 5% on a low-end router (Buffalo WHR-G300N V2 with a 400MHz MIPS CPU, 32MB memory and 4MB flash).
Installation
Build the binary like this:
sudo apt-get install build-essential autoconf libtool
./configure && make
sudo make install
Usage
usage:
ss-local -s server_host -p server_port -l local_port -k password
[-m encrypt_method] [-f pid_file] [-t timeout] [-c config_file]
ss-redir -s server_host -p server_port -l local_port -k password
[-m encrypt_method] [-f pid_file] [-t timeout] [-c config_file]
ss-server -s server_host -p server_port -k password
[-m encrypt_method] [-f pid_file] [-t timeout] [-c config_file]
options:
encrypt_method: table, rc4
pid_file: valid path to the pid file
timeout: socket timeout in senconds
config_file: json format config file
notes:
ss-redir provides a transparent proxy function and only works on the
Linux platform with iptables.
Advanced usage
The latest shadowsocks-libev has provided a transparent mode. You can configure your linux based box or router to proxy all tcp traffic transparently.
# Create new chain
root@Wrt:~# iptables -t nat -N SHADOWSOCKS
# Ignore your shadowsocks server's addresses
# It's very IMPORTANT, just be careful.
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 123.123.123.123 -j RETURN
# Ignore LANs and any other addresses you'd like to bypass the proxy
# See Wikipedia and RFC5735 for full list of reserved networks.
# See ashi009/bestroutetb for a highly optimized CHN route list.
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 0.0.0.0/8 -j RETURN
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 10.0.0.0/8 -j RETURN
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 127.0.0.0/8 -j RETURN
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 169.254.0.0/16 -j RETURN
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 172.16.0.0/12 -j RETURN
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 192.168.0.0/16 -j RETURN
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 224.0.0.0/4 -j RETURN
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -d 240.0.0.0/4 -j RETURN
# Anything else should be redirected to shadowsocks's local port
root@Wrt:~# iptables -t nat -A SHADOWSOCKS -p tcp -j REDIRECT --to-ports 12345
# Apply the rules
root@Wrt:~# iptables -t nat -A OUTPUT -p tcp -j SHADOWSOCKS
# Start the shadowsocks-redir
root@Wrt:~# ss-redir -c /etc/config/shadowsocks.json -f /var/run/shadowsocks.pid