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.
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.

Protocol	ID	DPI version	Protocol group	Protocol type	Update	Description
epmd	4369	12.2	Printing	Built-in	As needed	Erlang Port Mapper Daemon
elpro_tunnel	4370	12.2	Printing	Built-in	As needed	A service for tunneling or securing print data between networked printers and devices, in an Elpro system.
l2c-control	4371	12.2	Printing	Built-in	As needed	Layer 2 communication for print jobs over a network.
l2c-disc	4371	12.2	Printing	Built-in	As needed	Related to Layer 2 (L2) disconnect, managing disconnection or reconnection of print devices.
l2c-data	4372	12.2	Video, pictures	Built-in	As needed	L2C-Data protocol is used for secure location-based content delivery in GPS-enabled multimedia applications.
remctl	4373	12.2	Network services	Built-in	As needed	Remote Control protocol from Stanford for secure execution of predefined remote commands.
psi-ptt	4374	12.2	Application servers	Built-in	As needed	PSI-PTT is a push-to-talk signaling protocol used in enterprise radio and mobile apps.
tolteces	4375	12.2	Application servers	Built-in	As needed	Tolteces is a secure system management protocol used in academic or research environments.
bip	4376	12.2	Application servers	Built-in	As needed	BIP (Banking Industry Protocol) is used for financial message transmission in core banking infrastructure.
cp-spxsvr	4377	12.2	Application servers	Built-in	As needed	CP-SPXSvr is a secure backend protocol for remote rendering and visualization.
cp-spxdpy	4378	12.2	Application servers	Built-in	As needed	CP-SPXDpy is a protocol for secure screen display forwarding in embedded systems.
ctdb	4379	12.2	Application servers	Built-in	As needed	CTDB (Cluster Trivial Database) protocol is used for high availability Samba clusters and secure locking.
xandros-cms	4389	12.2	Application servers	Built-in	As needed	Xandros-CMS is a secure configuration and management protocol for Linux-based enterprise endpoints.
wiegand	4390	12.2	Tunneling, secure, ssl, pki	Built-in	As needed	Wiegand protocol is commonly used in access control systems for transmitting encrypted card and biometric data.
apwi-imserver	4391	12.2	Printing	Built-in	As needed	A service related to the APWI imaging or print server environment, managing print jobs or devices.
apwi-rxserver	4392	12.2	Network services	Built-in	As needed	A protocol for APWI RX Server, receiving data in a networked system.
apwi-rxspooler	4393	12.2	Application servers	Built-in	As needed	APWI-RXSpooler handles secure print spooling in industrial or large-scale printing systems.
apwi-disc	4394	12.2	Network services	Built-in	As needed	A protocol for APWI discovery, used to identify devices or services in a networked environment.
omnivisionesx	4395	12.2	Network services	Built-in	As needed	OmniVisionESX protocol controls diagnostic video endpoints in surgical environments.
fly	4396	12.2	Mobile protocols	Built-in	As needed	Fly protocol handles encrypted messaging and push data sync for mobile productivity tools.

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