CompTIA Security+ Protocols Flashcards

Front	Back
POP3 (v3)	Post Office Protocol; Port 110
TFTP	Trivial FTP; Port 69
IPSEC (Tunnel)	IPSEC in tunnel mode encrypts entire packet
FTP	File Transfer Protocol; Ports 20 and 21
PPP	Point to Point Protocol; Establishes layer 2 connection between two network devices
HTTP	HTTP or Hyper Text Transfer Protocol; Port 80
Telnet	Unencrypted; Port 23
HTTPS	HTTP or Hyper Text Transfer Protocol + Secure Socket Layer; Port 443
TACACS+	Terminal Access Controller Access-Control System Plus; Port 49
IPv4	Internet Protocol version 4; 32 bits; Dotted Decimal Format
IPSEC	Internet Protocol Security; Tunneling Protocol that encrypts IP
IMAP	Internet Message Access Protocol; Port 143
RDP	Remote Desktop Protocol; Port 3389
SNMP	Simple Network management Protocol; Port 161
NAT	Network Address Translation. Translates IP addresses accross two different networks. Typically between a private and public IP network.
SSH	Secure Shell; Port 22
Kerberos	Port 88
PAT	Port Address Translation (Aka NAT Overload); 1 to many NAT translation; Uses layer 4 ports to organize connections.
TLS	Transport Layer Security; Encryption protocol that replaced SSL; Commonly used by HTTPS on port 443
IPSEC (Transport)	IPSEC in transport mode only encrypts data
FTPS	File Transfer Protocol + SSL
DNS	Domain Name Server/Service; Port 53
SMTP	Simple Mail Transfer Protocol; Port 25
IPv6	Internet Protocol version 6; 128 bits; Hexadecimal Format
SFTP	File Transfer Protocol + SSH

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