1
Q
7
TCP/UDP
A
ECHO
2
Q
19
TCP/UDP
A
CHARGEN
3
Q
20
TCP
A
FTP data port
active mode
4
Q
21
TCP
A
FTP control port
5
Q
22
TCP
A
SSH
SCP (over SSH)
SFTP (over SSH)
6
Q
23
TCP/UDP
A
Telnet
7
Q
25
TCP
A
SMTP
8
Q
49
TCP
A
TACACS+
9
Q
53
UDP
A
DNS name queries
10
Q
53
TCP
A
DNS zone transfers
11
Q
69
UDP
A
TFTP
12
Q
80
TCP
A
HTTP
13
Q
88
TCP/UDP
A
Kerberos
14
Q
110
TCP
A
POP3
15
Q
119
TCP
A
NNTP
16
Q
137–139
TCP/UDP
A
NetBIOS
17
Q
143
TCP
A
IMAP4
18
Q
161
UDP
A
SNMP
19
Q
162
TCP/UDP
A
SNMPTRAP
20
Q
389
TCP/UDP
A
LDAP
21
Q
443
TCP
A
HTTPS
22
Q
445
TCP
A
SMB
23
Q
465
TCP
A
SMTP (over TLS)
24
Q
500
UDP
A
IPSEC
for VPN with IKE
25
514
| UDP
SYSLOG
26
636
| TCP/UDP
LDAP (over TLS)
27
860
| TCP
iSCSI
28
989/990
| TCP/UDP
FTPS (over TLS)
29
993
| TCP
IMAP4 (over TLS)
30
995
| TCP
POP3 (over TLS)
31
1433
| TCP
MS-SQL-S
32
1701
| UDP
L2TP
33
1723
| TCP/UDP
PPTP
34
1812/1813
| UDP
RADIUS
35
3225
| TCP/UDP
FCIP
36
3389
| TCP/UDP
RDP
Network Ports & Protocols
flashcards
Decks in class (2)
# Cards
