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class A address range
1.0.0.0-126.255.255.255
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class B address range
128.0.0.0-191.255.255.255
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Class C address range
192.0.0.0-223.255.255.255
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public address range is
168.192.0.0
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APIPA (automatic private IP addressing) range
- 169.254.0.1-169.254.255.254
- address is assigned if comp can't connect to DHCP giving itself IP and mask but no gateway or DNS
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HTTP, use and port
web browsers and web servers, port 80
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HTTPS, use and port
Secure HTTP port 443
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FTP, use and port
File Transferring, uses basic username and password for security, port 20 and 21
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SMTP
Simple mail transfer protocol used to send mail port 25
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IMAP
Internet message access protocol: email protocol to view messages port 143
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POP3
Post office protocol 3: Allows user to download email. port 110
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TELNET
Remote terminal emulation: allows host to act as a dumb terminal, no security. port 23
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SSH
Secure Shell: allows for secure interaction control of remote systems (Basically tenet with security). Port 22
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SFTP
Secure FTP: encrypted FPT using SSH. Port 22
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DNS
Domain Name system: Provides address/name resolution. Port 53
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RDP
Remote desktop protocol: remote desktop. Port 3389
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DHCP
Dynamic host configuration protocol: Dynamically assign IP addresses. Port 67-68
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LDAP
lightweight directory access protocol: used to access info about network resources. port 389 text, 636 secure.
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SNMP
simple network management protocol: used to monitor and manage network devices (like routers). Port 161-162
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SMB
server message block: allows sharing of folders and printers over the network. (also known as common internet file system (CIFS). Ports 137-139
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