Ports Section 3

Question 1

1645/1646 UDP

Answer 1

RADIUS (alternative)

Remote Authentication Dial-In User Service is used for authentication and authorization (1645) and accounting (1646)

Question 2

1701 UDP

Answer 2

L2TP

Layer 2 Tunnel Protocol is used as an underlying VPN protocol but has no inherent security

Question 3

1723 TCP/UDP

Answer 3

PPTP

Point-to-Point Tunneling Protocol is an underlying VPN protocol with built-in security

Question 4

1812/1813 UDP

Answer 4

RADIUS

Remote Authentication Dial-In User Service is used for authentication and authorization
1812) and accounting (1813

Question 5

3225 TCP/UDP

Answer 5

FCIP

Fibre Channel IP is used to encapsulate Fibre Channel frames within TCP/IP packets

Question 6

3260 TCP

Answer 6

iSCSI Target

iSCSI Target is as the listening port for iSCSI-targeted devices when linking data storage facilities over IP

Question 7

3389 TCP/UDP

Answer 7

RDP

Remote Desktop Protocol is used to remotely view and control other Windows systems via a Graphical User Interface

Question 8

3868 TCP

Answer 8

Diameter

A more advanced AAA protocol that is a replacement for RADIUS

Question 9

6514 TCP

Answer 9

Syslog over TLS

It is used to conduct computer message logging, especially for routers and firewall logs, over
a TLS-encrypted connection