HevSocks5TProxy is a simple, lightweight transparent proxy for Linux.
Features
- IPv4/IPv6. (dual stack)
- Redirect TCP connections.
- Redirect UDP packets. (UDP over TCP see server)
+---------------+
| Socks5 Server |
+---------------+
^
uplink | (eth1)
+-------------------o<-----------------+ (114.114.114.114)
| ^ |
| socks5 | |
set ether daddr | dns +---------------+ |
rule routing |?--------->| Socks5 TProxy |<---------+ (8.8.8.8)
ipset/tproxy | tcp/udp +---------------+ tproxy |
| | dns |
| v |
| +---------------+ dns |
| | DNSMasq |----------+
[nat/bridge] | +---------------+
|
+-------------------o
downlink | (eth0)
v
+---------------+
| LAN Host |
+---------------+
Linux:
git clone --recursive git://github.com/heiher/hev-socks5-tproxy
cd hev-socks5-tproxy
makeAndroid:
mkdir hev-socks5-tproxy
cd hev-socks5-tproxy
git clone --recursive git://github.com/heiher/hev-socks5-tproxy jni
cd jni
ndk-buildsocks5:
port: 1080
address: 127.0.0.1
# Socks5 server username
username: 'username'
# Socks5 server password
password: 'password'
tcp:
port: 1088
address: '::'
udp:
port: 1088
address: '::'
# Redirect DNS to local server on gateway
# [address]:port <-> [upstream]:53 (dnsmasq)
dns:
# DNS port
port: 1053
# DNS address
address: '::'
# DNS upstream
upstream: 127.0.0.1
#misc:
# task-stack-size: 8192 # task stack size (bytes)
# connect-timeout: 5000 # connect timeout (ms)
# read-write-timeout: 60000 # read-write timeout (ms)
# log-file: stderr # stdout or file-path
# log-level: warn # debug, info or error
# pid-file: /run/hev-socks5-tproxy.pid
# limit-nofile: -1# Capabilities
setcap cap_net_admin,cap_net_bind_service+ep bin/hev-socks5-tproxy
bin/hev-socks5-tproxy conf/main.ymlDON'T FORGOT TO ADD UPSTREAM ADDRESS TO BYPASS IPSET!!
Or use nftables skuid/skgid match to exclude proxy process.
table inet mangle {
set byp4 {
typeof ip daddr
flags interval
elements = { 0.0.0.0/8, 10.0.0.0/8,
127.0.0.0/8, 169.254.0.0/16,
172.16.0.0/12, 192.0.0.0/24,
192.0.2.0/24, 192.88.99.0/24,
192.168.0.0/16, 198.18.0.0/15,
198.51.100.0/24, 203.0.113.0/24,
224.0.0.0/4, 240.0.0.0-255.255.255.255 }
}
set byp6 {
typeof ip6 daddr
flags interval
elements = { ::,
::1,
::ffff:0:0:0/96,
64:ff9b::/96,
100::/64,
2001::/32,
2001:20::/28,
2001:db8::/32,
2002::/16,
fc00::/7,
fe80::/10,
ff00::-ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff }
}
chain prerouting {
type filter hook prerouting priority mangle; policy accept;
ip daddr @byp4 return
ip6 daddr @byp6 return
tcp dport { 0-65535 } tproxy to :1088 meta mark set 0x00000440 accept
udp dport { 0-65535 } tproxy to :1088 meta mark set 0x00000440 accept
}
# Only for local mode
chain output {
type route hook output priority mangle; policy accept;
ip daddr @byp4 return
ip6 daddr @byp6 return
tcp dport { 0-65535 } meta mark set 0x00000440
udp dport { 0-65535 } meta mark set 0x00000440
}
}
ip rule add fwmark 1088 table 100
ip route add local default dev lo table 100
ip -6 rule add fwmark 1088 table 100
ip -6 route add local default dev lo table 100DON'T FORGOT TO ADD UPSTREAM ADDRESS TO BYPASS IPSET!!
Or use iptables uid-owner match to exclude proxy process.
# IPv4
ipset create byp4 hash:net family inet hashsize 2048 maxelem 65536
ipset add byp4 0.0.0.0/8
ipset add byp4 10.0.0.0/8
ipset add byp4 127.0.0.0/8
ipset add byp4 169.254.0.0/16
ipset add byp4 172.16.0.0/12
ipset add byp4 192.0.0.0/24
ipset add byp4 192.0.2.0/24
ipset add byp4 192.88.99.0/24
ipset add byp4 192.168.0.0/16
ipset add byp4 198.18.0.0/15
ipset add byp4 198.51.100.0/24
ipset add byp4 203.0.113.0/24
ipset add byp4 224.0.0.0/4
ipset add byp4 240.0.0.0/4
ipset add byp4 255.255.255.255
# IPv6
ipset create byp6 hash:net family inet6 hashsize 1024 maxelem 65536
ipset add byp6 ::
ipset add byp6 ::1
ipset add byp6 ::ffff:0:0:0/96
ipset add byp6 64:ff9b::/96
ipset add byp6 100::/64
ipset add byp6 2001::/32
ipset add byp6 2001:20::/28
ipset add byp6 2001:db8::/32
ipset add byp6 2002::/16
ipset add byp6 fc00::/7
ipset add byp6 fe80::/10
ipset add byp6 ff00::/8Gateway and Local modes
# IPv4
iptables -t mangle -A PREROUTING -m set --match-set byp4 dst -j RETURN
iptables -t mangle -A PREROUTING -p tcp -j TPROXY --on-port 1088 --tproxy-mark 1088
iptables -t mangle -A PREROUTING -p udp -j TPROXY --on-port 1088 --tproxy-mark 1088
ip rule add fwmark 1088 table 100
ip route add local default dev lo table 100
# Only for local mode
iptables -t mangle -A OUTPUT -m set --match-set byp4 dst -j RETURN
iptables -t mangle -A OUTPUT -p tcp -j MARK --set-mark 1088
iptables -t mangle -A OUTPUT -p udp -j MARK --set-mark 1088
# IPv6
ip6tables -t mangle -A PREROUTING -m set --match-set byp6 dst -j RETURN
ip6tables -t mangle -A PREROUTING -p tcp -j TPROXY --on-port 1088 --tproxy-mark 1088
ip6tables -t mangle -A PREROUTING -p udp -j TPROXY --on-port 1088 --tproxy-mark 1088
ip -6 rule add fwmark 1088 table 100
ip -6 route add local default dev lo table 100
# Only for local mode
ip6tables -t mangle -A OUTPUT -m set --match-set byp6 dst -j RETURN
ip6tables -t mangle -A OUTPUT -p tcp -j MARK --set-mark 1088
ip6tables -t mangle -A OUTPUT -p udp -j MARK --set-mark 1088- hev - https://hev.cc
- pexcn - [email protected]
- spider84 - https://github.com/spider84
LGPL
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