Legacy Application IDs

Legacy Application IDs are often applicable for East-West traffic. They usually represent applications that have been migrated from on-prem to public cloud in a lift-and-shift manor. Some examples as shown below:

Application Category

Application IDs

Interactive

SSH, Telnet, RDP

Databases

MSSQL, MySQL, PostgreSQL

File Server

SMBv2, SMBv3

Authentication

LDAP, LDAPS, Kerberos

Data Transfer

FTP Active, FTP Passive, TFTP

Communication

NETBIOS, RPC

Voice

SIP

Transport

HTTP, HTTPS

Name Resolution

DNS

Security

OCSP

Software Update

Microsoft Update, Office Mobile, Windows Live

Network Management

SNMPv1, SNMPv2c, SNMPv2u, SNMPv3

Encryption

TLS1.2, TLS1.3