Section 1.5 Flashcards
20/21
FTP: File Transfer Protocol
22
SSH: Secure Shell Protocol
SFTP: Secure File Transfer Protocol
23
Telnet
25
SMTP: Simple Mail Transfer Protocol
53
DNS: Domain Name System
67/68
DHCP: Dynamic Host Configuration Protocol
69
TFTP: Trivial File Transfer Protocol
80
HTTP: Hypertext Transfer Protocol
110
POP3: Post Office Protocol v3
123
NTP: Network Time Protocol
143
IMAP: Internet Message Access Protocol
161/162
SNMP: Simple Network Management Protocol
161: Server
162: Agent
389
LDAP: Lightweight Directory Access Protocol
443
HTTPS: Hypertext Transfer Protocol over TLS
445
SMB: Server Message Block
514
Syslog
587
SMTP TLS: Simple Mail Transfer Protocol over TLS
636
LDAPS: Lightweight Directory Access Protocol over SSL
993
IMAPS: Internet Message Access Protocol over TLS
995
POP3S: Post Office Protocol v3 over TLS
1433
SQL: Structured Query Language
1521
SQLnet: Oracle Net
3306
MySQL: My Structured Query Language
3389
RDP: Remote Desktop Protocol
5060/5061
SIP: Session Initiation Protocol
What are the components of a client/server IP “socket”?
client/server IP address
port number
protocol
What are ports 0 through 1023 usually referred to as, and what does it mean?
Non-ephemeral ports, or permanent port numbers
What’s the port range for Ephemeral ports?
1024 to 65,535
When a client communicates with a server, how are the source and destination port numbers determined?
The client selects a random ephemeral port number for the source, and a specific non-ephemeral port number for the destination
What can be added to GRE to secure the connection like a VPN?
IPSec
What does GRE stand for?
Generic Routing Encapsulation
What does IPSec stand for?
Internet Protocol Security
What is a VPN Concentrator?
A central hub where all VPN connections are managed
What are the components that make up IPSec? What does each do?
Authentication Header (AH) provides data integrity
and
Encapsulating Security Payload (ESP) provides data encryption
FTP
File Transfer Protocol
20/21
SSH
Secure Shell
22
SFTP
Secure File Transfer Protocol
22
Telnet
23
SMTP
Simple Mail Transfer Protocol
25
DNS
Domain Name System
53
DHCP
Dynamic Host Configuration Protocol
67/68
TFTP
Trivial File Transfer Protocol
69
HTTP
Hypertext Transfer Protocol
80
POP3
Post Office Protocol v3
110
NTP
Network Time Protocol
123
IMAP
Internet Message Access Protocol
143
SNMP
Simple Network Management Protocol
161/162
LDAP
Lightweight Directory Access Protocol
389
HTTPS
Hypertext Transfer Protocol Secure
443
SMB
Server Message Block
445
Syslog
514
SMTP TLS
Simple Mail Transfer Protocol TLS
587
LDAPS
Lightweight Directory Access Protocol over SSL
636
IMAPS
Internet Message Access Protocol over SSL
993
POP3S
Post Office Protocol over SSL
995
SQL
Structured Query Language
1433 (Server)
SQLnet
Oracle Net
1521
MySQL
My Structured Query Language
3306
RDP
Remote Desktop Protocol
3389
SIP
Session Initiation Protocol
5060/5061