Port Numbers Flashcards
1
Q
2 FTP ports and what are they?
A
tcp/20 - Active Mode Data
tcp/21 - Control
2
Q
SSH
A
tcp/22
(connect to another shell on another device securely)
3
Q
tcp/23
A
Telnet
(login to devices remotely)
4
Q
SMTP
A
tcp/25
5
Q
DNS
A
tcp/53
6
Q
DHCP (2)
A
udp/67
udp/68
7
Q
HTTP and HTTPS
A
HTTP tcp/80
HTTPS tcp/443
8
Q
POP3
A
tcp/110
9
Q
IMAP4
A
tcp/143
10
Q
udp/137
A
NetBIOS name service
SMB (file, printer sharing)
11
Q
NetBIOS session service
A
tcp/139
SMB (file, printer sharing)
12
Q
NetBIOS-less direct
A
tcp/445
SMB (file, printer sharing)
13
Q
udp/161
A
SNMP query
14
Q
SNMP traps
A
udp/162
15
Q
LDAP
A
tcp/389
