Protocols Flashcards
1
Q
What protocol number is ICMP?
A
1
2
Q
What protocol number is TCP?
A
6
3
Q
What protocol number is UDP?
A
17
4
Q
What port is used for SCP?
A
TCP 22
5
Q
What port is used for SFTP?
A
TCP 115
Simple File Transfer Protocol*
6
Q
What port is used for FTPS?
A
TCP 22
File Transfer Protocol Secure*
7
Q
What port is used for DNS?
A
UDP 53
8
Q
What port is used for DNS zone transfer?
Database exchange between DNS servers
A
TCP 53
9
Q
What port is used for NetBIOS?
A
UDP 137, 138 TCP 139 (session)
10
Q
What port is used for SNMP?
A
161
11
Q
What port is used for FTP?
A
TCP 21 (control channel) 20 (data)
12
Q
What protocol number is ESP?
A
50
