Ports Flashcards
1
Q
20 TCP
A
FTP (Data Connection)
2
Q
21 TCP
A
FTP (Control Connection)
3
Q
22 TCP
A
SSH/SCP
4
Q
23 TCP
A
Telnet
5
Q
25 TCP
A
SMTP
6
Q
49 TCP
A
TACACS
7
Q
53 UDP/TCP
A
DNS
8
Q
67-68 UDP
A
DHCP/BOOTP
9
Q
69 UDP
A
TFTP
10
Q
80 TCP
A
HTTP
11
Q
88 UDP/TCP
A
Kerberos
12
Q
110 TCP
A
POP3
13
Q
111 UDP/TCP
A
RPC
14
Q
123 UDP
A
NTP
15
Q
135 UDP/TCP
A
Windows RPC
16
Q
137-138 UDP
A
NetBIOS
17
Q
139 TCP
A
SMB
18
Q
143 TCP
A
IMAP4 (Unencrypted)
19
Q
161 UDP
A
SNMP (General Messages)
20
Q
179
A
BGP
21
Q
201
A
AppleTalk
22
Q
389
A
LDAP
23
Q
443
A
HTTPS
24
Q
445
A
SMB
25
Q
500
A
ISAKMP (UDP)
26
Q
514
A
syslog
27
Q
520
A
RIPv1and RIPv2
28
Q
546-547
A
DHCPv6