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Port Numbers

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jtllogan's version from 2018-02-01 15:58

Section 1

Question Answer
ICMP Is computer reachable by Network, Ping7
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 - Dynamic Host Control Protocol43
GRE - VPN47
TACACS - authentication service49
memorize

Section 2

Question Answer
VPN-Int - IP set50
DNS - domain name service - converts friendly name to IP address53
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, 162
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 - File/ Print sharing445
LDAP Secure -LDAP over TLS/SSL636
SIMAP - secure internet message access protocol993
SPOP - secure post office protocol995
memorize

Section 5

Question Answer
Subseven1243
Lotus Notes1352
SQL- Microsoft SQL server1433
Citrix1494
L2TP - tunneling protocol - supports VPN, no encryption1701
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
Bit Torrent - UDP - p2p for downloading file on the internet2043
NFS - network file system2049
memorize

Section 7

Question Answer
MySQL3306
Remote Desktop - provides users with graphical interface to another computer (RDP)3389
ICQ4000
Yahoo! Mess5010
AOL IM5190
memorize

Section 8

Question Answer
PC Anywhere5632
VNC5800, 5900
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