List of protocols

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.
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
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.
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.

Protocol	ID	DPI version	Protocol group	Protocol type	Update	Description
dhcpv6-client	546	12.2	Network services	Built-in	As needed	A protocol for DHCPv6 client, requesting IPv6 addresses in networks.
dhcpv6-server	547	12.2	Network services	Built-in	As needed	A protocol for DHCPv6 server, assigning IPv6 addresses dynamically.
afp	548	12.2	Network services	Built-in	As needed	A protocol for AFP (Apple Filing Protocol), sharing files in Apple networks.
idfp	549	12.2	Network services	Built-in	As needed	A protocol for IDFP (Integrated Data Flow Protocol), managing data flows.
new-rwho	550	12.2	Debugging and measurement	Built-in	As needed	New-RWho is a modernized remote user status reporting protocol, extending traditional 'rwho' services.
cybercash	551	12.2	Transactions, banking, trading	Built-in	As needed	CyberCash was an early digital wallet and payment protocol for secure online financial transactions.
devshr-nts	552	12.2	Network services	Built-in	As needed	A protocol for DevShr NTS (Device Sharing Network Transport Service), sharing devices.
pirp	553	12.2	Network services	Built-in	As needed	Printer Interconnect Routing Protocol transmits job metadata across printer clusters.
rtsp	554	12.2	Video, pictures	Built-in	As needed	RTSP (Real Time Streaming Protocol) is a network control protocol for establishing and managing streaming media sessions.
dsf	555	12.2	Network services	Built-in	As needed	A protocol for DSF (Distributed Service Framework), supporting distributed services.
remotefs	556	12.2	Data transfer	Built-in	As needed	RemoteFS protocol enables networked file system access with strong encryption and multi-user support.
openvms-sysipc	557	12.2	Network services	Built-in	As needed	OpenVMS-SysIPC handles interprocess communication in OpenVMS clusters over encrypted channels.
sdnskmp	558	12.2	Network services	Built-in	As needed	Software-Defined Network Secure Key Management Protocol used in SDN telemetry encryption.
teedtap	559	12.2	Network services	Built-in	As needed	TEED TAP protocol logs and transmits debug telemetry from embedded tools.
rmonitor	560	12.2	Debugging and measurement	Built-in	As needed	RMonitor provides secure remote monitoring of hardware, system state, and environmental sensors.
monitor	561	12.2	Debugging and measurement	Built-in	As needed	Monitor protocol collects process state, memory, and system health for analysis tools.
chshell	562	12.2	Remote control	Built-in	As needed	Secure shell service for Cisco devices.
nntps	563	12.2	Tunneling, secure, ssl, pki	Built-in	As needed	NNTPS is the encrypted variant of the Network News Transfer Protocol (NNTP) over TLS/SSL.
9pfs	564	12.2	Data transfer	Built-in	As needed	9PFS is the Plan 9 file system protocol offering network-transparent, secure file access.
whoami	565	12.2	Debugging and measurement	Built-in	As needed	WhoAmI protocol returns authenticated identity details for diagnostics and validation.

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