1.1 Ports & Protocols Flashcards
Port for HTTP
TCP 80
Port for SSH
TCP 22
Port for SFTP
TCP 22
Port for DNS
53
UDP to start then TCP if packet too large
Port for SMTP
TCP 25
Port for FTP
TCP/UDP 20 - for data
TCP/UDP 21 - for control
Port for TFTP
UDP 69
Port for TELNET
TCP 23
Port for DHCP
UDP 67 - destination port of the servers
UDP 68 - for clients
Port for HTTPS
TCP 443
Port for SNMP
UDP 161
Port for RDP
TCP/UDP 3389
Port for NTP
UDP 123
Port for SIP
TCP/UDP 5060 for non encrypted
TCP 5061 for encrypted using Transport Layer Security (TSL)
Port for SMB
TCP/UDP 445
Port for POP
TCP 110
Port for IMAP
TCP 143
Port for LDAP
TCP/UDP 389
Port for LDAPS
TCP/UDP 636
Port for H.232
TCP 1720
What type of connection is IP protocol?
Explain what the connection type means.
Connectionless
Data received is not acknowledged.
What type of connection is UDP protocol?
Explain what the connection type means.
Connectionless
Data received is not acknowledged.
What type of connection is TCP?
Explain what the connection type means.
Connection Oriented
Provides acknowledgement upon successful delivery.
What is ICMP?
What does it do?
Internet Control Message Protocol.
Used for internet signaling and error messages. Not used for data transport. Used by tools like pong and traceroute.
