Important Ports

Question 1

<p>FTP Port</p>

Answer 1

<p>21</p>

Question 2

<p>SSH , SCP, SFTP Port</p>

Answer 2

<p>22</p>

Question 3

<p>Telnet Port</p>

Answer 3

<p>23</p>

Question 4

<p>SMTP Port</p>

Answer 4

<p>25</p>

Question 5

<p>DNS Port</p>

Answer 5

<p>53 TCP/UDP</p>

Question 6

<p>TFTP Port</p>

Answer 6

<p>69 UDP</p>

Question 7

<p>HTTP Port</p>

Answer 7

<p>80</p>

Question 8

<p>Kerberos</p>

Answer 8

<p>88 TCP/UDP</p>

Question 9

<p>POP3 Port</p>

Answer 9

<p>110 TCP</p>

Question 10

<p>NNTP Port</p>

Answer 10

<p>119 TCP</p>

Question 11

<p>RPC/DCOM-scm</p>

Answer 11

<p>135 TCP/UDP</p>

Question 12

<p>NETBIOS</p>

Answer 12

<p>137,138,139 TCP</p>

Question 13

<p>IMAP Mail</p>

Answer 13

<p>143 TCP</p>

Question 14

<p>SNMP Agent</p>

Answer 14

<p>161 UDP</p>

Question 15

<p>SNMP Trap</p>

Answer 15

<p>162 TCP/UDP</p>

Question 16

<p>LDAP</p>

Answer 16

<p>389 TCP/UDP</p>

Question 17

<p>HTTPS Port</p>

Answer 17

<p>443 TCP</p>

Question 18

<p>SMB Shared files Port</p>

Answer 18

<p>445 TCP</p>

Question 19

<p>SNMP with SSL/TLS email over Internet</p>

Answer 19

<p>465/587 TCP</p>

Question 20

<p>SYSLOG</p>

Answer 20

<p>514 UDP</p>

Question 21

<p>LDAP</p>

Answer 21

<p>636 TCP/UDP</p>

Question 22

<p>ISCSI Storage Area Networks</p>

Answer 22

<p>860 TCP</p>

Question 23

<p>FTPS Host to Host File transfer</p>

Answer 23

<p>989/990 TCP</p>

Question 24

<p>IMAP4 with SSL/TLS</p>

Answer 24

<p>993 TCP</p>

Question 25

<p>POP3 SSL/TLS</p>

Answer 25

<p>995 TCP</p>

Question 26

<p>SQL</p>

Answer 26

<p>1433 TCP</p>

Question 27

<p>RADIUS Remote Authentication Dail in Service</p>

Answer 27

<p>1645, accounting 1646 UDP - stamdard 1812/1813</p>

Question 28

<p>L2TP VPN Layer 2 Tunneling protocol no inherit security pair with iPsec</p>

Answer 28

<p>1701 UDP</p>

Question 29

<p>PPTP Tunneling underlying VPN protocol with security</p>

Answer 29

<p>1723 TCP/UDP</p>

Question 30

<p>FCPIP Fiber Channel IP, Storage area networks</p>

Answer 30

<p>3225 TCP/UDP</p>

Question 31

<p>iSCSI Targe Port, Target listenting port for a iSCSI targeted device when linking data storage over IP</p>

Answer 31

<p>3260 TCP</p>

Question 32

<p>RDP</p>

Answer 32

<p>3389 TCP/UDP</p>

Question 33

<p>Diameter replaices RADIUS</p>

Answer 33

<p>3868 TCP</p>

Question 34

<p>Syslog over TLS computer message logging, especially for routers and firewall logs over TLS encrytped connection</p>

Answer 34

<p>6514 TCP</p>