ports Flashcards
1
Q
port 20
A
FTP– data
tcp
2
Q
port 21
A
FTP– control
tcp
3
Q
port 22
A
SSH / SFTP
tcp
4
Q
port 23
A
Telnet
tcp
5
Q
port 25
A
SMTP
tcp
6
Q
port 53
A
DNS
tcp / udp
7
Q
port 67
A
bootps BOOT / DHCP server
udp
8
Q
port 68
A
boot pc BOOT / DHCP – client
udp
9
Q
port 69
A
TFTP
udp
10
Q
port 80
A
HTTP
tcp
11
Q
port 110
A
POP unsecured
tcp
12
Q
port 123
A
NTP
Network Time Protocol
udp
13
Q
port 143
A
IMAP
tcp
14
Q
port 161
A
SNMP
udp
15
Q
port 162
A
SNMP- trap
udp
16
Q
port 443
A
HTTPS
tcp
17
Q
port 445
A
SMB
Server Message Block
18
Q
port 546
A
DHCPv6 client
udp
19
Q
port 547
A
DHCPv6 server
20
Q
port 587
A
SMTP secure
tcp
21
Q
port 636
A
LDAP secure
tcp
22
Q
port 993
A
IMAP secure
tcp
23
Q
port 995
A
POP3 secure
tcp
24
Q
port 1720
A
H.323 Call Signaling
tcp