Port Number Flashcards
1
Q
Telnet replace with SSH
A
TCP 23
2
Q
FTP replace with SFTP or FTPS
A
TCP 20 Active Mode
21 Control Connection
3
Q
TFTP Trivial File transfer Protocol
Should not be use
A
UDP 69
4
Q
SMTP use TLS SMTPS
A
TCP 25465587
5
Q
POP3 TLS POPS
A
110
6
Q
IMAP TLS IMAPS
A
143
7
Q
DHCP
A
67 Server
68 Client
8
Q
Https
A
443
9
Q
Line Printer DAemon LPD VPN
A
515
10
Q
X window VPN
A
6000 - 6063
11
Q
NFS Network File System VPN
A
2049
12
Q
SNMP use Version 3 Simple Network Management Protocol
A
UDP 161
162 For Trap message
13
Q
PPTP Layer 2
A
TCP 1723
14
Q
SSH encrypt SFTP SEXEC SLOGIN SCP
Transport Mode Only
A
TCP 22
15
Q
Kerberos
A
88
