Security+ Port Numbers II - Review

Question 1

RADIUS (ALT)

Answer 1

UDP
Ports 1645/1646

Remote Authentication Dial-In User Service (Alternate)
- Used for Authentication and Authorization (1645) and Accounting (1646)
- AAA

Question 2

RADIUS (Default)

Answer 2

UDP
Ports 1812/1813

Remote Authentication Dial-In User Service (Default)
- Used fr Authentication and Authorization (1812) and Accounting (1813)
- AAA

Question 3

DIAMETER

Answer 3

TCP
Port 3868

• A more advanced AAA Protocol that is a replacement for RADIUS.

Question 4

iSCSI

Answer 4

TCP
Port 860

• Used for linking data storage facilities over Internet Protocol (IP).

Question 5

iSCSI Target

Answer 5

TCP
Port 3260

• iSCSI Target is a Listening Port for iSCSI targeted devices when linking data storage facilities over Internet Protocol (IP).

Question 6

Syslog

Answer 6

UDP
Port 514

• Used to conduct computer message logging, especially for Routers and Firewall logs.

Question 7

Syslog TLS

Answer 7

TCP
Port 6514

• Used to conduct computer message logging, especially for Routers and Firewall logs - OVER - encrypted TLS connection.

Question 8

TACACS+

Answer 8

TCP/UDP
Port 49

Terminal Access Controller Access Control System
- Used for Remote Communication with any Server in a UNIX Network or terminals.
- Uses Allow/Deny mechanisms with Auth Keys that correspond to Usernames/Passwords.
- Primarily used for device administration but can technically be used for some Network Management.
- Encrypts the Entire Packet
- Separates Authentication and Authorization

Question 9

FCIP

Answer 9

TCP/UDP
Port 3225

Fiber Optic Internet Protocol
- Used to encapsulate Fiber Channel frames with TCP/IP Packets
- Usually used for Storage Area Networks (SAN)

Question 10

NNTP

Answer 10

TCP
Port 119

Network News Transfer Protocol
- Used to transport Usenet Articles

Question 11

IKE

Answer 11

UDP
Port 500

Internet Key Exchange
- Used to set up a Security Association (SA) in the IPsec Protocol suite.

Question 12

PPTP

Answer 12

TCP/UDP
Port 1723

Point-to-Point Tunneling Protocol
- Used as an underlying VPN Protocol with Built-in Security.

Question 13

L2TP

Answer 13

UDP
Port 1701

Layer 2 Tunnel Protocol
- Used as an underlying VPN Protocol but has no inherent Security.
- Needs to be paired with IPSec to make sure it has good Security when in use.

Question 14

VNC

Answer 14

TCP
Port 5900

Virtual Network Computing
- Cross-platform version of Remote Desktop Protocol for remote user GUI access.