Application Filters For Tunnel

Our Engineers created these by examining the RFCs and analyzing the traffic of these protocols.   Our filters read the data portion of the packet and validate that the traffic is valid for said protocol.  We can also create custom filters for your application upon request.

The filters that we offer via the Lectron Filter Manager are as follows:

TeamSpeak 3 Server – Layer 7 application filter to allow only TeamSpeak-based traffic over the defined port.

OpenVPN UDP server – Layer 7 application filter to allow only OpenVPN-UDP-based traffic over the defined port. (you may read more about this via LINK)

Source Engine Server – Layer 7 application filter to allow only VSE based traffic over the defined port. (you may read more about this via LINK).
This filter also enables the game based anycast feature that Tempest offers free of charge).

RakNet Server – Layer 7 application filter to allow only RakNet based traffic over the defined port. (Used typically for RUST)

Games Supported:

  • RUST
  • ROBLOX
  • Minecraft Bedrock Edition
  • Counter-Strike: Global Offensive

TCP Service – Layer 7 application filter that enables stricter packet validation for TCP packets incoming on a listening port.  You will create this filter for services such as SSH and RDP if you route your traffic asymmetrically.

TCP Service (symmetric) – Layer 7 application filter that full packet validation for incoming TCP connections. Requires that the return traffic is also routed through our network.  You would create this filter for services such as SSH(Port 22) and RDP(Port 3389) if you have symmetric traffic with Lectron.

Minecraft (Java Edition) – Layer 7 application filter (symmetric) that enables full packet validation for 

Minecraft Java Edition servers.

Half Life 2/Source Server – Layer 7 application filter that enables packet validation for Half Life 2/Source UDP traffic.

Games Supported:

  • Gary’s Mod (G-MOD)
  • Team Fortress 2
  • Left For Dead 2
  • Counter-Strike: Global Offensive

GTA V Multiplayer Server (beta) – Layer 7 application filter (symmetric) that enables packet validation for FiveM traffic.

Half-life Dedicated/GoldSrc – Layer 7 application filter enabling packet validation for HLDS/GoldSrc UDP traffic.

DNS Server – Layer 7 filter enabling packet validation for DNS queries over UDP.

WireGuard – Layer 7 application filter to enable packet validation for WireGuard VPN servers (To avoid packet loss from fragmentation, it is recommended that you adjust your MTU to 1360).

ARMA 3 (beta) – Layer 7 application filter that enables packet validation for ARMA 3 game servers.

DayZ Server – Layer 7 application filter enables packet validation for DayZ game traffic.

Squad/Post Scriptum Server – Layer 7 application filter that enables packet validation for Squad and Post Scriptum game traffic.

STUN Server – Layer 7 application filter enabling packet validation for STUN server.

RakSAMP – Layer 7 application filter to enable packet validation for SA-MP (San Andreas Multiplayer) game traffic.

SA-MP Server Queries – Layer 7 filter that enables proxying for SA-MP (San Andreas Multiplayer) server queries.

Left 4 Dead 2/CS:GO Source – Layer 7 application filter that enables proxying for source games using L4D2’s source engine version. This currently includes Left 4 Dead, Left 4 Dead 2, Counter-Strike: Global Offensive, and Portal 2. This filter can also be paired with our Source Engine filter.

QUIC – Layer 7 application filter enabling packet validation for QUIC.

SIP – Layer 7 application filter enabling packet validation for SIP.

DTLS – Layer 7 application filter enabling packet validation for DTLS.

RTP – Layer 7 application filter enabling packet validation for RTP.

Renegade X Server – Layer 7 application filter enabling packet validation for Renegade X game traffic.

SCP Secret Laboratory Server – Layer 7 application filter enables packet validation for Secret Lab game traffic.

Quake 3 Server – This filter enables layer 7 packet validation for Quake 3 game traffic.

ASE/Multi Theft Auto Queries – This filter enables layer 7 proxy for ASE queries.

V Rising/ARK Server – This filter enables layer 7 packet validation for V Rising and ARK: Survival Evolved game traffic.

LiteNetLib Server / 7 Days To Die – This filter enables layer 7 packet validation for games using LiteNetLib such as 7 Days To Die.

Lineage II Server – This filter enables layer 7 packet validation for Lineage II Interlude servers.

Steamworks Server – This filter enables layer 7 packet validation for Steamworks game packets. Can be enabled together with the Source Engine Query filter.

FiveM Server Queries – This filter enables layer 7 proxying for FiveM server queries.

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