Port numbers Flashcards
1
Q
20
A
FTP Server listening for client connections
2
Q
21
A
FTP clients connecting to servers
3
Q
TCP/22
A
SSH operating over unsecured networks
4
Q
TCP/23
A
Telnet for remote maintenance
5
Q
25
A
SMTP
6
Q
TCP/53
A
DNS server for record transfers over 512 bytes
7
Q
UDP/53
A
DNS server listening for requests
8
Q
67
A
DHCP
9
Q
68
A
DHCP
10
Q
69
A
TFTP
11
Q
80
A
HTTP
12
Q
110
A
POP3
13
Q
123
A
NTP
14
Q
143
A
IMAP to Clients connection with T
15
Q
162
A
SNMP
