PORTS Flashcards
HTTP
TCP PORT 80
HYPER TEXT TRANSFER PROTOCOL:
Retrieves content from WEB services unsecure.
Name the 3 types of ports, and what are there ranges?
Well know ports: 0 - 1023.
Registerd ports: 1024 - 49,151
Ephemeral Ports: AKA Dynamic, or Private, 49,152 - 65,535
FTP
TCP Ports 20 & 21
FILE TRANSFER PROTOCOL:
Port 20 Transfers Data.
Port 21 Establishes Conn.
Transfers files with a remote host. Typically requires authentication of users credentials.
PORT 20 IS FOR THE TRANSFER OF DATA
PORT 21 IS FOR THE COMMAND, ESTABLISHING THE CONNECTION.
SSH
TCP Port 22
SECURE SHELL:
Securely connects to a remote host over an insecure network. Provides password or public key based authentication & encrypts connection.
SFTP
TCP Port 22
SECURE FILE TRANSFER PROTOCOL:
Provides FTP file-transfer services over SSH (Secure Shell) an encrypted tunnel connection.
FTPS
TCP & UDP Ports 989 & 990
FILE TRANSFER PROTOCOL SECURE:
Provides FTP File-transfer services over Secure Socket Layer (SSL) or the more secure Transport Layer Secure (TLS).
PORT 989 IS FOR SENDING DATA
PORT 990 IS FOR IS FOR CONTROL OF THE CONNECTION
TELNET
TCP Port 23
Telnet:
Telnet is used to connect to a remote host (Typically via a terminal emulator) Control Port.
Hint: Michael Jordan #23 ALL NET
SMTP
TCP Port 25
SIMPLE MAIL TRANSFER PROTOCOL:
Used for sending E-mail
HINT: #25 Redskins Running Back delivering mail w/ Mail Bag
SMTP over SSL / TLS
TCP Port 587 or 465
SIMPLE MAIL TRANSFER PROTOCOL OVER SSL OR TLS:
Simple mail transfer protocol over Secure Socket layer (SSL) or the more secure Transport Layer Secure (TLS).
HINT: Wilber Marshall #58 and Joe Thiesman #s 7——— 587
DNS
TCP & UDP Port 53
DOMAIN NAME SYSTEM:
Resolves Domain Name to an IP address.
TFTP
UDP Port 69
TRIVIAL FILE TRANSFER PROTOCOL:
Transfer files with a remote host (does not require Authentication of users credentials)
HINT: Running around in my 69 Camaro doing trivial things.
DHCP
UDP Ports 67 & 68
DYNAMIC HOST CONTROL PROTOCOL:
DHCP Dynamically assigns a IP address, subnet masks, default gateways and the IP address to the closest DNS server to a device using the service.
PORT 67 IS FOR IS FOR THE CLIENT TO SEND REQUESTS TO THE SERVER
PORT 68 IS FOR THE SERVER TO SEND INFO BACK TO THE CLIENT
HTTPS
TCP Port 443
HYPER TEXT TRANSFER PROTOCOL SECURE:
Transfers data to and from a WEB site securely using Secure Socket Layer (SSL) or the more secure Transport Layer Secure (TLS).
POP 3
TCP Port 110
POST OFFICE PROTOCOL VERSION 3:
Once the Email is viewed it is down-loaded to that device and cant be viewed to another device.
POP 3S / over SSL / TLS
TCP & UDP Port 995
POP3 S: POST OFFICE PROTOCOL OVER (SSL) OR (TLS):
Retrieves E-mails from an E-mail server while encrypting the email in transit using Secure Socket Layer (SSL) or the more secure Transport Layer Secure (TLS).