Gaming ports of well-known games on Lan Party Events.

• Steam Client
  • 27000-27015 UDP (Game client traffic)
  • 27015-27030 UDP (Matchmaking, HLTV)
  • 27014-27050 TCP (Steam downloads)
  • 27031 UDP (inbound, In-Home Streaming)
  • 27036 UDP+TCP (inbound, In-Home Streaming)
  • 27037 TCP (inbound, In-Home Streaming)
  • 4380 UDP

• Source Dedicated Server (SRDC) – CS:GO,Source,L4D:
  • 27015 TCP/UDP (inbound – game transmission, pings and RCON)
  • 27020 UDP (inbound – SourceTV transmission)
  • 27005 UDP (outbound)
  • 51840 UDP (outbound)

• Steamworks P2P Networking & Steam Voice Chat:
  • 3478 UDP (outbound)
  • 4379 UDP (outbound)
  • 4380 UDP (outbound)

• Dota 2
  • 27005 UDP (outbound)
    • Our game servers are on UDP ports 27015 through 27040. The spectating UDP ports are 28020 through 28045 and 28120 through 28145. By default, your client opens UDP port 27005 or your computer to connect to the game servers.

• Heartstone: Heroes of WarCraft
  • 1119 UDP+TCP (inbound)
  • 3724 UDP+TCP (inbound)

• League of Legends
  • 5000 – 5500 UDP (League of Legends Game Client)
  • 8393 – 8400 TCP (Patcher and Maestro)
  • 2099 TCP (PVP.Net)
  • 5223 TCP (PVP.Net)
  • 5222 TCP (PVP.Net)
  • 80 TCP (HTTP Connections)
  • 443 TCP (HTTPS Connections)
  • 8088 UDP and TCP (Spectator Mode)

• StarCraft 2
  • 1119 UDP+TCP (inbound)
  • 6113 UDP+TCP (inbound)
  • 1120 UDP+TCP (inbound)
  • 80 UDP+TCP (inbound)
  • 3724 UDP+TCP (inbound)