Another p2p network library in Go. Committed to direct communication between devices.
[简体中文]

• Elegantly simple architecture (pgcli & pgmap & OpenID Connect)
• NAT traversal with high success rate (STUN & UPnP & PortScan & BirthdayParadox)
• Full support for IPv4/IPv6 dual stack
• Easy-to-use library (net.PacketConn)
• Transport layer security (curve25519 & chacha20poly1305 for end-to-end encryption)
• RDT protocol for reliable data transfer
• Cross-platform compatibility (linux/windows/macOS/iOS/android)
• Multiple protocol support (UDP/QUIC/KCP) with unified interface

# node1
pgcli vpn -s wss://openpg.in/pg -4 100.64.0.1/24

# node2
pgcli vpn -s wss://openpg.in/pg -4 100.64.0.2/24

$ pgmap -l 127.0.0.1:9987 --secret-key 5172554832d76672d1959a5ac63c5ab9 \
    --stun 111.206.174.2:3478 --stun 106.13.249.54:3478 --stun 106.12.251.52:3478 --stun 106.12.251.31:3478

$ caddy reverse-proxy --from https://openpg.in --to 127.0.0.1:9987

# share
$ pgcli share -s wss://openpg.in/pg ~/my-show.pptx
ShareURL: pg://DJX2csRurJ3DvKeh63JebVHFDqVhnFjckdVhToAAiPYf/0/my-show.pptx

# download
$ pgcli download -s wss://openpg.in/pg pg://DJX2csRurJ3DvKeh63JebVHFDqVhnFjckdVhToAAiPYf/0/my-show.pptx

ln -sf /usr/sbin/pgcli /usr/sbin/pgvpn

You can now use pgvpn instead of pgcli vpn.

pgvpn --peers

pgvpn -s wss://openpg.in/pg -4 100.64.0.1/24 --proxy-listen 127.0.0.1:4090 --forward tcp://127.0.0.1:80 --forward udp://8.8.8.8:53

PeerGuard supports multiple transport protocols (UDP/QUIC/KCP) with a unified interface, making it easy to switch between them based on your needs.

// Create a UDP listener
config := pgnet.ProtocolConfig{
    Network: pgnet.ProtocolUDP,
    Addr:    "127.0.0.1:9000",
}
listener, err := pgnet.NewListener(config)

// Create a QUIC listener with TLS
config := pgnet.ProtocolConfig{
    Network:   pgnet.ProtocolQUIC,
    Addr:      "127.0.0.1:9001",
    TLSConfig: tlsConfig,
}
listener, err := pgnet.NewListener(config)

// Create a KCP listener with encryption
config := pgnet.ProtocolConfig{
    Network:  pgnet.ProtocolKCP,
    Addr:     "127.0.0.1:9002",
    KCPKey:   "your-secret-key",
    KCPCrypt: "aes",
}
listener, err := pgnet.NewListener(config)

Learn more about protocol usage and configuration in net/protocols.md.

first

$ export PG_SECRET_KEY=5172554832d76672d1959a5ac63c5ab9
$ export PG_SERVER=wss://openpg.in/pg
$ pgcli admin secret --network "<email>" --duration 24h > psns.json

then

sudo pgcli vpn -s wss://openpg.in/pg -4 100.64.0.1/24 -f psns.json

GNU General Public License v3.0

Contributions welcome! Have an improvement? Submit a pull request.

• Telegram Group: https://t.me/+-S5L6ZCBxlxkMTRl
• QQ Group: 1039776116