Port numbers Flashcards
1
Q
20
A
FTP Server listening for client connections
2
Q
21
A
FTP clients connecting to servers
3
Q
22
A
ssh/sftp
4
Q
TCP/22
A
SSH operating over unsecured networks
5
Q
23
A
Telnet
6
Q
TCP/23
A
Telnet for remote maintenance
7
Q
25
A
SMTP
8
Q
TCP/53
A
DNS server for record transfers over 512 bytes
9
Q
UDP/53
A
DNS server listening for requests
10
Q
67
A
DHCP
11
Q
68
A
DHCP
12
Q
69
A
TFTP
13
Q
80
A
HTTP
14
Q
110
A
POP3
15
Q
123
A
NTP
16
Q
143
A
IMAP to Clients connection with TLS
17
Q
161
A
SNMP
18
Q
162
A
SNMP
19
Q
389
A
LDAP
20
Q
443
A
https
21
Q
445
A
Server Message Block
22
Q
514
A
syslog
23
Q
546
A
DHCPv6 Client
24
Q
547
A
DHCPv6 Server
25
Q
587
A
SMTP-Secure
26
Q
636
A
LDAPS
27
Q
TCP/993
A
IMAPS over SSL
28
Q
995
A
POP3-Secure
29
Q
1433
A
Microsoft SQL
30
Q
1521
A
SQLnet
31
Q
3306
A
MySQL/MariaDB
32
Q
3389
A
RDP
33
Q
5004
A
Real-Time Protocol
34
Q
5005
A
RTP Control Protocol
35
Q
5060
A
SIP
36
Q
5061
A
SIP
