Protocols & Ports Flashcards
1
Q
FTP/FTPS (TCP) Port #
A
20, 21/989,990
2
Q
SSH, SCP, SFTP (TCP) Port #
A
22
3
Q
Telnet (TCP) Port #
A
23
4
Q
SMTP/SMTPS (TCP) Port #
A
25/465
5
Q
TACACS+ (TCP) Port #
A
49
6
Q
DNS (TCP)
A
53
7
Q
DHCP (UDP) Port #
A
67, 68
8
Q
TFTP (UDP) Port #
A
69
9
Q
HTTP/HTTPS (TCP) Port #
A
80/443
10
Q
Kerberos (TCP) Port #
A
88
11
Q
POP3/POP3S (TCP) Port #
A
110/995
12
Q
NNTP/NNTPS (TCP) Port #
A
119/563
13
Q
NetBIOS/SMB (TCP) Port #
A
139/445
14
Q
NetBIOS/SMB (UDP) Port #
A
137, 138/445
15
Q
IMAP/IMAPS (TCP) Port #
A
143, 993
16
Q
SNMP/SNMPTrap (UDP) Port #
A
161, 162
17
Q
LDAP/LDAPS (TCP) Port #
A
389/636
18
Q
L2TP (UDP) Port #
A
1701
19
Q
PPTP (TCP) Port #
A
1723
20
Q
RADIUS (UDP) Port #
A
1812, 1813
21
Q
NFS (TCP) Port #
A
2049
22
Q
Bit Torrents (TCP) Port #
A
6881-6999
23
Q
RDP (TCP) Port #
A
3389
24
Q
DNS (UDP)
A
53
25
Kerberos (UDP) Port #
88
