Port Name and Desc Flashcards
FTP
Data File Transfer Protocol - 20
FTP
Control - File Transfer Protocol
21
SCP
Secure Copy
22
SFTP
Secure FTP
22
SSH
Secure Shell
22
Telnet
Telnet is a protocol that allows you to connect to remote computers (called hosts) over a TCP/IP network (such as the Internet).
SMTP
Simple Mail Transfer Protocol
25
TACACS
Terminal Access Controller Access Control System
49
ESP
Encapsulating Security Payload
50
AH
Authentication Header
51
DNS
Domain Name Service
53
TFTP
Trivial File Transfer Protocol
69
HTTP
Hypertext Transfer Protocol
80
Kerberos
Kerberos is a system that provides authenticated access for users and services on a network
POP
Post Office Protocol
110
NNTP
Newsgroup Network Time Protocol
119
NTP
Network Time Protocol
123
RPC
Remote Procedure Call
135
IMAP
Internet Message Access Protocol
143
SNMP
Simple Network Management Protocol
161
SNMP Trap
Allows a printer for example to send information to the network if something significant happens for example it’s out of paper.
162
LDAP
Lightweight Directory Access Protocol
389
HTTPS
HTTP over SSL (Secure Socket Layer)
443
IKE
The Internet Key Exchange (IKE) is an IPsec (Internet Protocol Security)
500
SYSLOG
System Log
514
LDAPS
LDAP over SSL (Secure Socket Layer)
SQL Server / MS SQL Server
A relational database management system (RDBMS) from Microsoft that’s designed for the enterprise environment.
1433
L2TP
Layer Two Tunneling Protocol
1701
PPTP
Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks.
1723
RADIUS
Remote Authentication Dial-In User Service ( TCP/UDP)
1812
RDP
Microsoft’s Remote Desktop Protocol
3389
NetBIOS/CIFS
Common Internet File
445 New / 139 Old
DHCP
Dynamic Host Configuration Protocol listens for incoming on
UDP 67
DHCP
Dynamic Host Configuration Protocol send out on
UDP 68
FTPS
FTP over SSL (Secure Socket Layer)
990/989
IPsec
Internet Protocol Security (IPsec) is a protocol suite for securing Internet Protocol (IP) communications by authenticating and encrypting each IP packet of a communication session