Security + Flashcards
FTP File Transfer Protocol is used to transfer files from host to host
21 TCP
SSH, SCP, SFTP Secure Shell is used to remotely administer network devices and systems. SCP is used for secure copy and SFTP for secure FTP.
22 TCP/UDP
TELNET Unencrypted method to remotely administer network devices (should not be used)
23 TCP/UDP
SMTP Simple Mail Transfer Protocol is used to send email over the Internet
25 TCP
DNS Domain Name Service is used to resolve hostnames to IPs and IPs to hostnames
53 TCP/UDP
TFTP Trivial FTP is used as a simplified version of FTP to put a file on a remote host, or get a file
from a remote host
69 UDP
HTTP Hyper Text Transfer Protocol is used to transmit web page data to a client for unsecured web
browsing
80 TCP
KERBEROS Used for network authentication using a system of tickets within a Windows domain
88 TCP/UDP
POP3 Post Office Protocol v3 is used to receive email from a mail server
110 TCP
NNTP Network News Transfer Protocol is used to transport Usenet articles
119 TCP
RPC/DCOM Remote Procedure Call is used to located DCOM ports request a service from a program on another computer on the network
135 TCP/UDP
NetBIOS NetBIOS is used to conduct name querying, sending of data, and other functions over a NetBIOS connection
137-139 TCP/UDP
IMAP Internet Message Access Protocol is used to receive email from a mail server with more features than POP3
143 TCP
SNMP Simple Network Management Protocol is used to remotely monitor network devices
161 UDP
SNMPTRAP Used to send Trap and InformRequests to the SNMP Manager on a network
162 TCP/UDP