1
Q
FTP
A
20 & 21
2
Q
SSH
A
22
3
Q
TELNET
A
23
4
Q
SMTP
A
25
5
Q
DNS
A
53
6
Q
HTTP
A
80
7
Q
POP3
A
110
8
Q
NNTP
A
119
9
Q
NTP
A
123
10
Q
IMAP4
A
143
11
Q
HTTPS
A
443
12
Q
RDP
A
3389
13
Q
TFTP
A
69
14
Q
DNS
A
53
15
Q
DHCP (AND BOOTP SERVER)
A
67
16
Q
DHCP (AND BOOTP CLIENT)
A
68
17
Q
SNMP
A
161
18
Q
A
