common ports Flashcards
1
Q
telnet
A
tcp/23
2
Q
SSH - secure Shell
A
tcp/22
3
Q
DNS domain name system
A
udp/53 tcp/53
4
Q
SMTP simple mail transfer protocol
A
tcp/25 plain text
tcp/587 encryption
5
Q
pop3 post office protocol version 3
A
tcp/110 plain
tcp/995 tls
6
Q
imap4 internet message access protocol v4
A
tcp/143
tcp/993
7
Q
sftp secure file transfer protocol
A
tcp/22
8
Q
file transfer protocol
A
tcp/20 active mode data
tcp/21 control
9
Q
tftp trivial file transfer protocol
A
udp/69
10
Q
DHCP dynamic host configuration protocol
A
udp/67 udp/68
11
Q
HTTP
A
tcp/80
12
Q
HTTPS
A
tcp/443
13
Q
SNMP simple network management protocol
A
udp/161
14
Q
snap trap
A
udp/162
15
Q
syslog
A
udp/514
