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.
  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.
ProtocolIDDPI versionProtocol groupProtocol typeUpdateDescription
smux19912.2Network servicesBuilt-inAs neededSNMP Multiplex protocol allows multiple subagents to coexist within an SNMP agent framework.
src20012.2Debugging and measurementBuilt-inAs neededSRC (Session Resource Controller) manages network session tracking and usage reporting.
at-rtmp20112.2Instant messengersBuilt-inAs neededAT-RTMP enables Real-Time Messaging Protocol transport in Apple video streaming workflows.
at-nbp20212.2Instant messengersBuilt-inAs neededAT-NBP (Name Binding Protocol) is a legacy AppleTalk protocol for service name discovery.
at-echo20412.2Instant messengersBuilt-inAs neededAT-Echo is a legacy AppleTalk diagnostic protocol used to test reachability and latency.
at-zis20612.2Instant messengersBuilt-inAs neededAT-ZIS is a zero-initiation sync used in Apple collaboration environments for state resolution.
qmtp20912.2E-MailBuilt-inAs neededQMTP (Quick Mail Transfer Protocol) is a fast, secure email transfer protocol for large-volume mail systems.
z39.5021012.2Application serversBuilt-inAs neededZ39.50 is a standard protocol for searching and retrieving information from remote databases, used in libraries.
914c/g21112.2Remote controlBuilt-inAs neededTexas Instruments 914C/G Terminal
anet21212.2Network servicesBuilt-inAs neededA protocol for ANet (Access Network), providing general access network services.
ipx21312.2Network servicesBuilt-inAs neededA protocol for IPX (Internetwork Packet Exchange), a Novell networking protocol.
vmpwscs21412.2VirtualizationBuilt-inAs neededVM PWSCS (IANA official)
softpc21512.2Network servicesBuilt-inAs neededSoftPC remote desktop and virtualization protocol used in early terminal emulators.
CAIlic21612.2Application serversBuilt-inAs neededCAILIC is a license manager for terminal emulation and legacy system access tools.
dbase21712.2PrintingBuilt-inAs neededA database printing service for managing print jobs and output from a database system.
mpp21812.2E-MailBuilt-inAs neededMPP (Multi-Purpose Protocol) is used in gaming and media systems for secure state sync and chat.
uarps21912.2Network servicesBuilt-inAs neededUDP ARP Sync protocol mirrors address resolution entries across local subnets.
imap322012.2E-MailBuilt-inAs neededIMAP3 is an older email access protocol, replaced by IMAP4 for folder and message sync.
fln-spx22112.2Remote controlBuilt-inAs needed a Novell SPX-based file network service.
rsh-spx22212.2Remote controlBuilt-inAs neededRemote Shell over SPX protocol (Novell NetWare).
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