List of protocols

  1. Built-in protocols — updated along with the SSG software version. Installing a new version requires a DPI reboot, which causes traffic interruption.
    If needed, they can be supplemented with up-to-date attributes from the VAS Cloud. This is only necessary for complex protocols, but the option is available for all.
  2. Cloud protocols created by VAS Experts — are periodically updated from the VAS Cloud. This ensures that popular applications remain up-to-date as their behavior changes. Description
  3. Custom (user-defined) protocols — protocols created by users via the GUI using VAS Cloud tools. These have higher priority than those loaded from the VAS Cloud, and within them, IP:PORT takes precedence over IP and CIDR. It is possible to add a protocol based on IP, SNI, or AS. Guide.
  4. DSL protocols — protocols described in the DSL language and connected to DPI as a separate module, without reinstalling the software or causing traffic interruption. Unlike custom protocols, a DSL protocol is a finite state machine that analyzes the first N packets of a flow against defined conditions (ports, AS numbers, payload bytes, DSL expressions) and determines whether the flow matches the protocol.
    DSL protocols are created by VAS Experts specialists upon client request to Technical Support.

ProtocolIDDPI versionProtocol groupProtocol typeUpdateDescription
spocp475112.2Tunneling, secure, ssl, pkiBuilt-inAs neededSPOCP (Simple Policy Control Protocol) is used to evaluate and enforce access policies via secure queries.
snap475212.2Video, picturesBuilt-inAs neededSnap protocol is used in Snap TV or multimedia apps to deliver encrypted short-form video content.
simon475312.2Network servicesBuilt-inAs neededSImple MONitoring protocol used in embedded system health checks.
simon-disc475312.2Network servicesBuilt-inAs neededDiscovery extension of SIMON for auto-detecting monitoring-capable devices.
bfd-multi-ctl478412.2Network servicesBuilt-inAs neededA protocol for BFD (Bidirectional Forwarding Detection) multicast control, ensuring network reliability.
cncp478512.2Network servicesBuilt-inAs neededA protocol for CNCP (Control Network Communication Protocol), managing comms.
smart-install478612.2Network servicesBuilt-inAs neededSmart Install protocol used in network devices for zero-touch provisioning and image transfer.
sia-ctrl-plane478712.2Network servicesBuilt-inAs neededSIA Control Plane protocol used in distributed identity and authentication systems.
xmcp478812.2Instant messengersBuilt-inAs neededXMCP (eXtensible Messaging Control Protocol) enables encrypted control plane chat operations.
iims480012.2Instant messengersBuilt-inAs neededIIMS is a secure protocol for incident management system messaging and coordination.
iwec480112.2Instant messengersBuilt-inAs neededIWEC protocol handles encrypted chat in internal web environments with document integration.
ilss480212.2Application serversBuilt-inAs neededILSS (Intelligent License Sync Service) manages remote license distribution across software nodes.
notateit480312.2Instant messengersBuilt-inAs neededNotateIt supports encrypted drawing and message sync between mobile devices for shared notes.
notateit-disc480312.2Instant messengersBuilt-inAs neededNotateIt-Disc handles whiteboard and text sync for collaborative annotation platforms.
aja-ntv4-disc480412.2Video, picturesBuilt-inAs neededAJA-NTV4-Disc is used by AJA Video Systems for secure device discovery in professional video editing networks.
htcp482712.2Network servicesBuilt-inAs neededA protocol for HTCP (Hyper Text Caching Protocol), caching HTTP data.
varadero-0483712.2Network servicesBuilt-inAs neededControl protocol channel 0 for Varadero cloud-based surveillance systems.
varadero-1483812.2Network servicesBuilt-inAs neededData transport stream channel 1 for Varadero networked video systems.
varadero-2483912.2Network servicesBuilt-inAs neededConfig sync channel 2 for firmware and policy updates in Varadero platforms.
opcua-udp484012.2Data transferBuilt-inAs neededOPC-UA-UDP is the UDP-based transport layer for OPC Unified Architecture industrial protocol.
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