Port Numbers Flashcards

1
Q

FTP (File Transfer Protocol)

A

TCP 20, 21

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2
Q

SSH

A

TCP 22

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3
Q

SFTP

A

TCP 22

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4
Q

SCP

A

TCP 22

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5
Q

SMTP

A

TCP 25

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6
Q

TACACS+ Port

A

TCP 49

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7
Q

DNS

A

TCP/UDP 53

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8
Q

DHCP

A

UDP 67, UDP 68

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9
Q

TFTP

A

UDP 69

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10
Q

HTTP

A

TCP 80

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11
Q

Kerberos

A

TCP/UDP 88

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12
Q

POP3

A

TCP 110

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13
Q

NNTP

A

TCP 119

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14
Q

NTP

A

UDP 123

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15
Q

NetBIOS

A

UDP 137, UDP 138, UDP 139

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16
Q

IMAP4

17
Q

SNMP

18
Q

SNMP Trap

A

TCP/UDP 162

19
Q

LDAP

A

TCP/UDP 389

20
Q

FTPS

21
Q

HTTPS

22
Q

SSL VPN

23
Q

SMTP SSL/TLS

24
Q

Internet Security Association and Key Management Protocol (ISAKMP VPN)

25
Syslog
UDP 514
26
LDAP TLS/SSL
TCP 636
27
IMAP SSL/TLS
TCP 993
28
POP SSL/TLS
TCP 995
29
MS SQL Server
TCP 1433
30
L2TP
UDP 1701
31
PPTP
TCP/UDP 1723
32
RDP
TCP/UDP 3389
33
TACACS
UDP 49