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