glider

This project is forked from source code tree. The main prompt is to add subscription support(support multi url). To use this feature, just add subscription to the config file.

For example:

subscription=http://xxxxx.xx
subscription=http://sub.xxx.cn

glider is a forward proxy with multiple protocols support, and also a dns/dhcp server with ipset management features(like dnsmasq).

we can set up local listeners as proxy servers, and forward requests to internet via forwarders.

                |Forwarder ----------------->|
   Listener --> |                            | Internet
                |Forwarder --> Forwarder->...|

Features

Act as both proxy client and proxy server(protocol converter)
Flexible proxy & protocol chains
Load balancing with the following scheduling algorithm:
- rr: round robin
- ha: high availability
- lha: latency based high availability
- dh: destination hashing
Rule & priority based forwarder choosing: Config Examples
DNS forwarding server:
- dns over proxy
- force upstream querying by tcp
- association rules between dns and forwarder choosing
- association rules between dns and ipset
- dns cache support
- custom dns record
IPSet management (linux kernel version >= 2.6.32):
- add ip/cidrs from rule files on startup
- add resolved ips for domains from rule files by dns forwarding server
Serve http and socks5 on the same port
Periodical availability checking for forwarders
Send requests from specific local ip/interface
Services:
- dhcpd: a simple dhcp server that can run in failover mode

Protocols

click to see details

Protocol	Listen/TCP	Listen/UDP	Forward/TCP	Forward/UDP	Description
Mixed	√	√			http+socks5 server
HTTP	√		√		client & server
SOCKS5	√	√	√	√	client & server
SS	√	√	√	√	client & server
Trojan	√	√	√	√	client & server
Trojanc	√	√	√	√	trojan cleartext(without tls)
VLESS	√	√	√	√	client & server
VMess			√	√	client only
SSR			√		client only
SSH			√		client only
SOCKS4			√		client only
SOCKS4A			√		client only
TCP	√		√		tcp tunnel client & server
UDP		√		√	udp tunnel client & server
TLS	√		√		transport client & server
KCP		√	√		transport client & server
Unix	√	√	√	√	transport client & server
VSOCK	√		√		transport client & server
Smux	√		√		transport client & server
Websocket(WS)	√		√		transport client & server
WS Secure	√		√		websocket secure (wss)
Proxy Protocol	√				version 1 server only
Simple-Obfs			√		transport client only
Redir	√				linux redirect proxy
Redir6	√				linux redirect proxy(ipv6)
TProxy		√			linux tproxy(udp only)
Reject			√	√	reject all requests

Install

Binary: https://github.com/nadoo/glider/releases
Docker: docker pull nadoo/glider
Manjaro: pamac install glider
ArchLinux: sudo pacman -S glider
Homebrew: brew install glider
MacPorts: sudo port install glider
Source: go install github.com/nadoo/glider@latest

Usage

Run

glider -verbose -listen :8443
# docker run --rm -it nadoo/glider -verbose -listen :8443

Help

glider -help

Usage: glider [-listen URL]... [-forward URL]... [OPTION]...

  e.g. glider -config /etc/glider/glider.conf
       glider -listen :8443 -forward socks5://serverA:1080 -forward socks5://serverB:1080 -verbose

OPTION:
  -check string
        check=tcp[://HOST:PORT]: tcp port connect check
        check=http://HOST[:PORT][/URI][#expect=REGEX_MATCH_IN_RESP_LINE]
        check=https://HOST[:PORT][/URI][#expect=REGEX_MATCH_IN_RESP_LINE]
        check=file://SCRIPT_PATH: run a check script, healthy when exitcode=0, env vars: FORWARDER_ADDR,FORWARDER_URL
        check=disable: disable health check (default "http://www.msftconnecttest.com/connecttest.txt#expect=200")
  -checkdisabledonly
        check disabled fowarders only
  -checkinterval int
        fowarder check interval(seconds) (default 30)
  -checklatencysamples int
        use the average latency of the latest N checks (default 10)
  -checktimeout int
        fowarder check timeout(seconds) (default 10)
  -checktolerance int
        fowarder check tolerance(ms), switch only when new_latency < old_latency - tolerance, only used in lha mode
  -config string
        config file path
  -dialtimeout int
        dial timeout(seconds) (default 3)
  -dns string
        local dns server listen address
  -dnsalwaystcp
        always use tcp to query upstream dns servers no matter there is a forwarder or not
  -dnscachelog
        show query log of dns cache
  -dnscachesize int
        max number of dns response in CACHE (default 4096)
  -dnsmaxttl int
        maximum TTL value for entries in the CACHE(seconds) (default 1800)
  -dnsminttl int
        minimum TTL value for entries in the CACHE(seconds)
  -dnsnoaaaa
        disable AAAA query
  -dnsrecord value
        custom dns record, format: domain/ip
  -dnsserver value
        remote dns server address
  -dnstimeout int
        timeout value used in multiple dnsservers switch(seconds) (default 3)
  -example
        show usage examples
  -forward value
        forward url, see the URL section below
  -include value
        include file
  -interface string
        source ip or source interface
  -listen value
        listen url, see the URL section below
  -logflags int
        do not change it if you do not know what it is, ref: https://pkg.go.dev/log#pkg-constants (default 19)
  -maxfailures int
        max failures to change forwarder status to disabled (default 3)
  -relaytimeout int
        relay timeout(seconds)
  -rulefile value
        rule file path
  -rules-dir string
        rule file folder
  -scheme string
        show help message of proxy scheme, use 'all' to see all schemes
  -service value
        run specified services, format: SERVICE_NAME[,SERVICE_CONFIG]
  -strategy string
        rr: Round Robin mode
        ha: High Availability mode
        lha: Latency based High Availability mode
        dh: Destination Hashing mode (default "rr")
  -tcpbufsize int
        tcp buffer size in Bytes (default 32768)
  -udpbufsize int
        udp buffer size in Bytes (default 2048)
  -verbose
        verbose mode

URL:
   proxy: SCHEME://[USER:PASS@][HOST]:PORT
   chain: proxy,proxy[,proxy]...

    e.g. -listen socks5://:1080
         -listen tls://:443?cert=crtFilePath&key=keyFilePath,http://    (protocol chain)

    e.g. -forward socks5://server:1080
         -forward tls://server.com:443,http://                          (protocol chain)
         -forward socks5://serverA:1080,socks5://serverB:1080           (proxy chain)

SCHEME:
   listen : http kcp mixed pxyproto redir redir6 smux sni socks5 ss tcp tls tproxy trojan trojanc udp unix vless vsock ws wss
   forward: direct http kcp reject simple-obfs smux socks4 socks4a socks5 ss ssh ssr tcp tls trojan trojanc udp unix vless vmess vsock ws wss

   Note: use 'glider -scheme all' or 'glider -scheme SCHEME' to see help info for the scheme.

--
Forwarder Options: FORWARD_URL#OPTIONS
   priority : the priority of that forwarder, the larger the higher, default: 0
   interface: the local interface or ip address used to connect remote server.

   e.g. -forward socks5://server:1080#priority=100
        -forward socks5://server:1080#interface=eth0
        -forward socks5://server:1080#priority=100&interface=192.168.1.99

Services:
   dhcpd: service=dhcpd,INTERFACE,START_IP,END_IP,LEASE_MINUTES[,MAC=IP,MAC=IP...]
          service=dhcpd-failover,INTERFACE,START_IP,END_IP,LEASE_MINUTES[,MAC=IP,MAC=IP...]
     e.g. service=dhcpd,eth1,192.168.1.100,192.168.1.199,720

--
Help:
   glider -help
   glider -scheme all
   glider -example

see README.md and glider.conf.example for more details.
--
glider 0.16.1, https://github.com/nadoo/glider ([email protected])

Schemes

glider -scheme all

Direct scheme:
  direct://

Only needed when you want to load balance multiple interfaces directly:
  glider -verbose -listen :8443 -forward direct://#interface=eth0 -forward direct://#interface=eth1 -strategy rr

Or you can use the high availability mode:
  glider -verbose -listen :8443 -forward direct://#interface=eth0&priority=100 -forward direct://#interface=eth1&priority=200 -strategy ha

--
Http scheme:
  http://[user:pass@]host:port

--
KCP scheme:
  kcp://CRYPT:KEY@host:port[?dataShards=NUM&parityShards=NUM&mode=MODE]
  
Available crypt types for KCP:
  none, sm4, tea, xor, aes, aes-128, aes-192, blowfish, twofish, cast5, 3des, xtea, salsa20
  
Available modes for KCP:
  fast, fast2, fast3, normal, default: fast

--
Simple-Obfs scheme:
  simple-obfs://host:port[?type=TYPE&host=HOST&uri=URI&ua=UA]
  
Available types for simple-obfs:
  http, tls

--
Reject scheme:
  reject://

--
Smux scheme:
  smux://host:port

--
Socks4 scheme:
  socks4://host:port

--
Socks5 scheme:
  socks5://[user:pass@]host:port

--
SS scheme:
  ss://method:pass@host:port
  
  Available methods for ss:
    AEAD Ciphers:
      AEAD_AES_128_GCM AEAD_AES_192_GCM AEAD_AES_256_GCM AEAD_CHACHA20_POLY1305 AEAD_XCHACHA20_POLY1305
    Stream Ciphers:
      AES-128-CFB AES-128-CTR AES-192-CFB AES-192-CTR AES-256-CFB AES-256-CTR CHACHA20-IETF XCHACHA20 CHACHA20 RC4-MD5
    Alias:
          chacha20-ietf-poly1305 = AEAD_CHACHA20_POLY1305, xchacha20-ietf-poly1305 = AEAD_XCHACHA20_POLY1305
    Plain: NONE

--
SSH scheme:
  ssh://user[:pass]@host:port[?key=keypath&timeout=SECONDS]
    timeout: timeout of ssh handshake and channel operation, default: 5

--
SSR scheme:
  ssr://method:pass@host:port?protocol=xxx&protocol_param=yyy&obfs=zzz&obfs_param=xyz

--
TLS client scheme:
  tls://host:port[?serverName=SERVERNAME][&skipVerify=true][&cert=PATH][&alpn=proto1][&alpn=proto2]
  
Proxy over tls client:
  tls://host:port[?skipVerify=true][&serverName=SERVERNAME],scheme://
  tls://host:port[?skipVerify=true],http://[user:pass@]
  tls://host:port[?skipVerify=true],socks5://[user:pass@]
  tls://host:port[?skipVerify=true],vmess://[security:]uuid@?alterID=num
  
TLS server scheme:
  tls://host:port?cert=PATH&key=PATH[&alpn=proto1][&alpn=proto2]
  
Proxy over tls server:
  tls://host:port?cert=PATH&key=PATH,scheme://
  tls://host:port?cert=PATH&key=PATH,http://
  tls://host:port?cert=PATH&key=PATH,socks5://
  tls://host:port?cert=PATH&key=PATH,ss://method:pass@

--
Trojan client scheme:
  trojan://pass@host:port[?serverName=SERVERNAME][&skipVerify=true][&cert=PATH]
  trojanc://pass@host:port     (cleartext, without TLS)
  
Trojan server scheme:
  trojan://pass@host:port?cert=PATH&key=PATH[&fallback=127.0.0.1]
  trojanc://pass@host:port[?fallback=127.0.0.1]     (cleartext, without TLS)

--
Unix domain socket scheme:
  unix://path

--
VLESS scheme:
  vless://uuid@host:port[?fallback=127.0.0.1:80]

--
VMess scheme:
  vmess://[security:]uuid@host:port[?alterID=num]
    if alterID=0 or not set, VMessAEAD will be enabled
  
  Available security for vmess:
    zero, none, aes-128-gcm, chacha20-poly1305

--
Websocket client scheme:
  ws://host:port[/path][?host=HOST][&origin=ORIGIN]
  wss://host:port[/path][?serverName=SERVERNAME][&skipVerify=true][&cert=PATH][&host=HOST][&origin=ORIGIN]
  
Websocket server scheme:
  ws://:port[/path][?host=HOST]
  wss://:port[/path]?cert=PATH&key=PATH[?host=HOST]
  
Websocket with a specified proxy protocol:
  ws://host:port[/path][?host=HOST],scheme://
  ws://host:port[/path][?host=HOST],http://[user:pass@]
  ws://host:port[/path][?host=HOST],socks5://[user:pass@]
  
TLS and Websocket with a specified proxy protocol:
  tls://host:port[?skipVerify=true][&serverName=SERVERNAME],ws://[@/path[?host=HOST]],scheme://
  tls://host:port[?skipVerify=true],ws://[@/path[?host=HOST]],http://[user:pass@]
  tls://host:port[?skipVerify=true],ws://[@/path[?host=HOST]],socks5://[user:pass@]
  tls://host:port[?skipVerify=true],ws://[@/path[?host=HOST]],vmess://[security:]uuid@?alterID=num

--
VM socket scheme(linux only):
  vsock://[CID]:port

  if you want to listen on any address, just set CID to 4294967295.

Examples

glider -example

Examples:
  glider -config glider.conf
    -run glider with specified config file.
  
  glider -listen :8443 -verbose
    -listen on :8443, serve as http/socks5 proxy on the same port, in verbose mode.

  glider -listen socks5://:1080 -listen http://:8080 -verbose
    -multiple listeners: listen on :1080 as socks5 proxy server, and on :8080 as http proxy server.
  
  glider -listen :8443 -forward direct://#interface=eth0 -forward direct://#interface=eth1
    -multiple forwarders: listen on 8443 and forward requests via interface eth0 and eth1 in round robin mode.
  
  glider -listen tls://:443?cert=crtFilePath&key=keyFilePath,http:// -verbose
    -protocol chain: listen on :443 as a https(http over tls) proxy server.
  
  glider -listen http://:8080 -forward socks5://serverA:1080,socks5://serverB:1080
    -proxy chain: listen on :8080 as a http proxy server, forward all requests via forward chain.
  
  glider -listen :8443 -forward socks5://serverA:1080 -forward socks5://serverB:1080#priority=10 -forward socks5://serverC:1080#priority=10
    -forwarder priority: serverA will only be used when serverB and serverC are not available.
  
  glider -listen tcp://:80 -forward tcp://serverA:80
    -tcp tunnel: listen on :80 and forward all requests to serverA:80.
  
  glider -listen udp://:53 -forward socks5://serverA:1080,udp://8.8.8.8:53
    -udp tunnel: listen on :53 and forward all udp requests to 8.8.8.8:53 via remote socks5 server.
  
  glider -verbose -dns=:53 -dnsserver=8.8.8.8:53 -forward socks5://serverA:1080 -dnsrecord=abc.com/1.2.3.4
    -dns over proxy: listen on :53 as dns server, forward to 8.8.8.8:53 via socks5 server.

Config

glider -config CONFIG_PATH

Service

dhcpd / dhcpd-failover:
- service=dhcpd,INTERFACE,START_IP,END_IP,LEASE_MINUTES[,MAC=IP,MAC=IP...]
  - service=dhcpd,eth1,192.168.1.100,192.168.1.199,720,fc:23:34:9e:25:01=192.168.1.101
  - service=dhcpd-failover,eth2,192.168.2.100,192.168.2.199,720
- note: dhcpd-failover only serves requests when there's no other dhcp server exists in lan
  - detect interval: 1min

Linux Daemon

systemd: https://github.com/nadoo/glider/blob/master/systemd/

docker: click to see details

run glider (config file path: /etc/glider/glider.conf)

docker run -d --name glider --net host --restart=always \
  -v /etc/glider:/etc/glider \
  -v /etc/localtime:/etc/localtime:ro \
  nadoo/glider -config=/etc/glider/glider.conf

run watchtower if you need auto update

docker run -d --name watchtower --restart=always \
  -v /var/run/docker.sock:/var/run/docker.sock \
  containrrr/watchtower --interval 21600 --cleanup \
  glider

open udp ports if you need udp nat fullcone

iptables -I INPUT -p udp -m udp --dport 1024:65535 -j ACCEPT

Customize Build

You can customize and build glider if you want a smaller binary (click to see details)

Clone the source code:

git clone https://github.com/nadoo/glider && cd glider

Customize features:

open `feature.go` & `feature_linux.go`, comment out the packages you don't need
// _ "github.com/nadoo/glider/proxy/kcp"

Build it:

go build -v -ldflags "-s -w"

Proxy & Protocol Chains

In glider, you can easily chain several proxy servers or protocols together (click to see details)

Chain proxy servers:

forward=http://1.1.1.1:80,socks5://2.2.2.2:1080,ss://method:[email protected]:8443@

Chain protocols: https proxy (http over tls)
```
forward=tls://server.com:443,http://
```

Chain protocols: vmess over ws over tls

forward=tls://server.com:443,ws://,vmess://5a146038-0b56-4e95-b1dc-5c6f5a32cd98@?alterID=2

Chain protocols and servers:

forward=socks5://1.1.1.1:1080,tls://server.com:443,vmess://5a146038-0b56-4e95-b1dc-5c6f5a32cd98@?alterID=2

Chain protocols in listener: https proxy server

listen=tls://:443?cert=crtFilePath&key=keyFilePath,http://

Chain protocols in listener: http over smux over websocket proxy server
```
listen=ws://:10000,smux://,http://
```

Links

ipset: netlink ipset package for Go.
conflag: a drop-in replacement for Go's standard flag package with config file support.
ArchLinux: a great linux distribution with glider pre-built package.
urlencode: you should encode special characters in scheme url. e.g., @->%40

Name		Name	Last commit message	Last commit date
Latest commit History 647 Commits
.github/workflows		.github/workflows
config		config
dns		dns
ipset		ipset
pkg		pkg
proxy		proxy
rule		rule
service		service
systemd		systemd
.Dockerfile		.Dockerfile
.gitignore		.gitignore
.goreleaser.yml		.goreleaser.yml
Dockerfile		Dockerfile
LICENSE		LICENSE
README.md		README.md
config.go		config.go
feature.go		feature.go
feature_linux.go		feature_linux.go
go.mod		go.mod
go.sum		go.sum
main.go		main.go
sub.go		sub.go

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