Port Numbers Flashcards

1
Q

FTP

A

21 TCP

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2
Q

SSH, SCP, SFTP

A

22 TCP UDP

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3
Q

TELNET

A

23 TCP UDP

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4
Q

SMTP

A

25 TCP

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5
Q

DNS

A

53 TCP UDP

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6
Q

TFTP

A

69 UDP

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7
Q

HTTP

A

80 TCP

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8
Q

KERBEROS

A

88 TCP UDP

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9
Q

RPC

A

135 TCP UDP

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10
Q

NETBIOS

A

137 138 139 TCP UDP

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11
Q

IMAP

A

143 TCP

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12
Q

SNMP

A

161 UDP

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13
Q

SNMPTRAP

A

162 TCP UDP

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14
Q

LDAP

A

389 TCP UDP

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15
Q

HTTPS

A

443 TCP

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16
Q

SMB

17
Q

SMTP W/ SSL or TLS

A

465 587 TCP

18
Q

SYSLOG

19
Q

LDAP W/ SSL or TLS

A

636 TCP UDP

20
Q

iSCISI

21
Q

FTPS

A

989 990 TCP

22
Q

IMAP W/ SSL or TLS

23
Q

POP3 W/ SSL or TLS

24
Q

M-SQL-S

25
RADIUS (alt)
1645 1646 UDP
26
L2TP
1701 UDP
27
PPTP
1723 TCP UDP
28
RADIUS (default)
1812 1813 UDP
29
FCIP
3225 TCP UDP
30
iSCSI Target
3260 TCP
31
RDP
3389 TCP UDP
32
DIAMETER
3868 TCP
33
SYSLOG W/ TLS
6514 TCP