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Port Numbers

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jtllogan's version from 2018-06-20 11:15

Section 1

Question Answer
ICMP Is computer reachable by Network, Ping7
Pong8
FTP 1 file transfer20
FTP 2 control21
SSH, SFTP, SCP, SecureShell, Secure File Transfer Protocol, Secure Copy Protocol22
TelNet - telecommunications network, log into remote system23
SMTP - simple mail transfer protocol -sends email to/between mail servers25
Whois - DHCP (Dynamic Host Control Protocol)43
GRE - VPN47
TACACS - authentication service49
memorize

Section 2

Question Answer
VPN-Int - IP set50
DNS - domain name service - converts friendly name to IP address53
DHCP BOOTP67
DHCP - dynamically assigns IP addresses when device joins a network68
TFTP- Trivial File Transfer Protocol - simpler and less secure file transfer69
Finger - used to pinpoint location of computer on a network79
HTTP - hypertext transfer protocol - used to retrieve data from web80
Kerberos - used to authenticate services primarily on local networks88
memorize

Section 3

Question Answer
POP3 - post office protocol - retrieves mail110
NNTP - network news transfer protocol - allows employees to access networked servers over internet119
NTP- network time protocol - sync device docks with time servers123
RPC - remote procedure call - allows programs on multiple computers to exchange program commands135
NetBios - network basic input/ output system, provides name, datagram, and session services for networks using the NetBIOS API137 - 139
IMAP - internet message protocol - secure email - does pictures143
SNMP - simple network management protocol - used to remotely manage and monitor network devices161
SNMP - TRAP, Controller receives data162
memorize

Section 4

Question Answer
IRC - internet relay chat194
IMAP3 - internet message protocol 3220
LDAP - lightweight directory access protocol - active directory - used for network directory service389
HTTPS - SSL - includes encryption for secure web pages443
F/P Share - (Server Message Block) File/ Print sharing445
(LDAPS)ecure -LDAP over TLS/SSL636
SIMAP - secure internet message access protocol993
SPOP - secure post office protocol995
FTPS989.990
memorize

Section 5

Question Answer
Subseven1243
Lotus Notes1352
Microsoft SQL1433
Citrix1494
L2TP - tunneling protocol - supports VPN, no encryption1701
memorize

 

Question Answer
VPNs50, 500, 1701, 47, 1723
memorize

Section 6

Question Answer
VPN-L2TP - external VPN tunneling500
H323 - video conferencing1720
PPTP - point to point tunneling protocol- for VPN1723
RADIUS - Remote Authentication Dial In User Service - udp1812. 1813
Bit Torrent - UDP - p2p for downloading file on the internet2043
NFS - network file system2049
MGCP - Media Gateway Control Protocol2427
MGCP2727
memorize

Section 7

Question Answer
MySQL3306
Remote Desktop - provides users with graphical interface to another computer (RDP)3389
ICQ4000
RTP- Real Time Transport Protocol5004
RTP (Default)5005
Yahoo! Messenger5010
AOL IM5190
SIP (unencrypted) Session Initiation Protocol5060
SIP (encrypted with TLS)5061
memorize

Section 8

Question Answer
VNC (PC to PC5800, (Server) 5900
PC Anywhere5632
X Windows6000
AnalogX6588
Napster6699
SubSeven6776
Unreal7070
Proxy8080
HP/Printshare9001
Quake26000
memorize

Common Port Quiz

Question Answer
HTTPS443
DNS53
HTTP80
FINGER79
TACACS49
NETBIOS (All)137 -138 -139
SNMP161
FTP (Data Transfer)20
MSSQL1433
PPTP1723
BootP Client68
PROXY8080
L2TP1701
SMTP25
LDAP389
VNC5900
RDP3389
RADIUS1812
VPN - All47 - 50 - 500 - 1723
KERBEROS88
ICMP7
TFTP69
BootP67
LDAP (secure)636
MYSQL3306
IMAP143
FTP (Control / Command)21
NTP123
SSH22
POP3110
NNTP119
TELNET23
memorize