paqet/example/server.yaml.example at master · butterflyoiio/paqet · GitHub

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# paqet Server Configuration Example
# Role must be explicitly set
role: "server"

# Logging configuration
log:
  level: "info"  # none, debug, info, warn, error, fatal

# Server listen configuration
listen:
  addr: ":9999"  # CHANGE ME: Server listen port (must match network.ipv4.addr port)

# Network interface settings
network:
  interface: "eth0"                          # CHANGE ME: Network interface (eth0, ens3, en0, etc.)
  # guid: "\Device\NPF_{...}"                # Windows only (Npcap).

  # IPv4 configuration
  ipv4:
    addr: "10.0.0.100:9999"                  # CHANGE ME: Server IPv4 and port (port must match listen.addr)
    router_mac: "aa:bb:cc:dd:ee:ff"          # CHANGE ME: Gateway/router MAC address

  # IPv6 configuration (optional)
  ipv6:
    addr: "[::1]:9999"                       # CHANGE ME: Server IPv6 and port (or remove if not using IPv6)
    router_mac: "aa:bb:cc:dd:ee:ff"          # CHANGE ME: Gateway/router MAC address

  # TCP flags for packet crafting (optional - will use defaults)
  tcp:
    local_flag: ["PA"]                       # Local TCP flags (Push+Ack default)

  # PCAP settings (optional - will use defaults)
  pcap:
    sockbuf: 8388608                         # 8MB buffer (default for server)

# Transport protocol configuration
transport:
  protocol: "kcp"  # Transport protocol (currently only "kcp" supported)
  conn: 1          # Number of connections (1-256, default: 1)

  # KCP protocol settings
  kcp:
    mode: "fast"           # KCP mode: normal, fast, fast2, fast3
    mtu: 1350              # Maximum transmission unit (50-1500)
    rcvwnd: 1024           # Receive window size (default for server)
    sndwnd: 1024           # Send window size (default for server)

    # Encryption settings
    block: "aes"                    # Encryption: aes, aes-128, aes-128-gcm, aes-192, salsa20, blowfish, twofish, cast5, 3des, tea, xtea, xor, sm4, none.
    key: "your-secret-key-here"     # CHANGE ME: Secret key (must match client)

    # Buffer settings (optional)
    smuxbuf: 4194304       # 4MB SMUX buffer
    streambuf: 2097152     # 2MB stream buffer

# Optional Forward Error Correction (FEC) - currently disabled
# Use these only if you need FEC for very lossy networks:
#   dshard: 10    # Data shards for FEC
#   pshard: 3     # Parity shards for FEC

# Important: Server Firewall Configuration Required!
#
# Since paqet uses pcap to bypass standard firewalls, you MUST configure
# iptables on the server to prevent kernel interference:
#
# sudo iptables -t raw -A PREROUTING -p tcp --dport 9999 -j NOTRACK
# sudo iptables -t raw -A OUTPUT -p tcp --sport 9999 -j NOTRACK
# sudo iptables -t mangle -A OUTPUT -p tcp --sport 9999 --tcp-flags RST RST -j DROP
#
# Replace 9999 with your actual listen port.