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Network+ Ports & Add
Network Ports & Addresses
Term | Definition |
---|---|
FTP (DATA). File Transfer Protocol, used to transfer files between computers on a network. The file data is sent over this port. | 20 |
FTP (CONTROL). File Transfer Protocol, used to transfer files between computers on a network. The server responds over this port. | 21 |
SSH. Secure Socket Shell. A unix-based interface/protocol for securely accessing a remote device. | 22 |
TELNET. A user command through TCP/IP protocol for accessing remote devices. | 23 |
SMTP. Simple Mail Transfer Protocol is a TCP/IP protocol used to send/receive email. Usually just used for sending. | 25 |
TACACS. Terminal Access Controller Access Control System is an older authentication protocol that allows a remote server to forward a user's logon password to an authentication server for user access. | 49 |
DNS. Domain Name System is the way website (domain) names are located and translated into IP addresses. | 53 |
TFTP. Trivial File Transfer Protocol is an internet software utility for transferring files (UDP) that is easier to use than FTP but less secure. | 69 |
HTTP. Hyper Text Transfer Protocol is the set of rules for transferring files on the WWW. | 80 |
POP3. Post Office Protocol 3 is a client/server protocol for receiving e-mail. | 110 |
NNTP. Network News Transfer Protocol is used for managing Usenet newsgroups. | 119 |
NETBIOS NAME SERVICE. Network Basic Input/Output System is a program that allows apps on different computers to communicate within a LAN. Resolves based on Windows NetBIOS name. | 137 |
NETBIOS DATAGRAM SERVICE. Network Basic Input/Output System is a program that allows apps on different computers to communicate within a LAN. One of two ways apps can communicate with each other. | 138 |
NETBIOS SESSION SERVICE. Network Basic Input/Output System is a program that allows apps on different computers to communicate within a LAN. One of two ways apps can communicate with each other. | 139 |
IMAP. Internet Message Access Protocol is a protocol for accessing e-mail from a local server. Held ON the server. | 143 |
SNMP. Simple Network Management Protocol is the protocol for managing and monitoring network devices. uses UDP. | 161 |
SNMP TRAP. Enable a device (router, etc.) to notify management station of events through an SNMP message. | 162 |
LDAP. Lightweight Directory Access Protocol is a software protocol for locating devices, organizations, people, and files. | 389 |
HTTPS. Hypertext Transfer Protocol over SSL or Sedure is the use of SSL for secure website access. | 443 |
Private IP Ranges 10 networks | 10.0.0.0 through 10.255.255.255 |
Private IP Ranges 169 networks | 169.254.0.0 through 169.254.255.255 (APIPA ONLY) |
Private IP Ranges 172 networks | 172.16.0.0 through 172.31.255.255 |
Private IP Ranges 192 networks | 192.168.0.0 through 192.168.255.255 |
Class A IP addresses | 0.0.0.0 through 127.255.255.255 |
Class B IP addresses | 128.0.0.0 through 191.255.255.255 |
Class C IP addresses | 192.0.0.0 through 223.255.255.255 |
Kerberos time-stamped tickets for authentication | 88 |