| Acronym | Term | Wikipedia |
|---|---|---|
| AAA | Authentication Authorization and Accounting |
wikipedia |
| AAAA | Authentication, Authorization, Accounting and Auditing |
todo |
| ACL | Access Control List |
wikipedia |
| ADSL | Asymmetric Digital Subscriber Line |
todo |
| AES | Advanced Encryption Standard |
wikipedia |
| AH | Authentication Header |
wikipedia |
| AP | Access Point |
wikipedia |
| APC | Angle Polished Connector |
todo |
| APIPA | Automatic Private Internet Protocol Addressing |
todo |
| APT | Advanced Persistent Tool |
wikipedia |
| ARIN | American Registry for Internet Numbers |
todo |
| ARP | Address Resolution Protocol |
wikipedia |
| AS | Autonomous System |
todo |
| ASIC | Application Specific Integrated Circuit |
todo |
| ASP | Application Service Provider |
todo |
| ATM | Asynchronous Transfer Mode |
todo |
| AUP | Acceptable Use Policy |
wikipedia |
| BCP | Business Continuity Plan |
wikipedia |
| BERT | Bit-Error Rate Test |
todo |
| BGP | Border Gateway Protocol |
todo |
| BLE | Bluetooth Low Energy |
todo |
| BNC | British Naval Connector/Bayonet Niell-Concelman |
todo |
| BootP | Boot Protocol/Bootstrap Protocol |
todo |
| BPDU | Bridge Protocol Data Unit |
todo |
| BRI | Basic Rate Interface |
todo |
| BSSID | Basic Service Set Identifier |
todo |
| BYOD | Bring Your Own Device |
wikipedia |
| CaaS | Communication as a Service |
todo |
| CAM | Content Addressable Memory |
todo |
| CAN | Campus Area Network |
todo |
| CARP | Common Address Redundancy Protocol |
todo |
| CASB | Cloud Access Security Broker |
wikipedia |
| CAT | Category |
todo |
| CCTV | Closed Circuit TV |
wikipedia |
| CDMA | Code Division Multiple Access |
todo |
| CSMA/CD | Carrier Sense Multiple Access/Collision Detection |
todo |
| CHAP | Challenge Handshake Authentication Protocol |
wikipedia |
| CIDR | Classless Inter-Domain Routing |
todo |
| CNAME | Canonical Name |
todo |
| CoS | Class of Service |
todo |
| CPU | Central Processing Unit |
todo |
| CRAM-MD5 | Challenge-Response Authentication Mechanism–Message Digest 5 |
todo |
| CRC | Cyclic Redundancy Checking |
todo |
| CSMA/CA | Carrier Sense Multiple Access/Collision Avoidance |
todo |
| CSU | Channel Service Unit |
todo |
| CVW | Collaborative Virtual Workspace |
todo |
| CWDM | Course Wave Division Multiplexing |
todo |
| Daas | Desktop as a Service |
todo |
| dB | Decibel |
todo |
| DCS | Distributed Computer System |
todo |
| DDoS | Distributed Denial of Service |
wikipedia |
| DHCP | Dynamic Host Configuration Protocol |
wikipedia |
| DLC | Data Link Control |
todo |
| DLP | Data Loss Prevention |
wikipedia |
| DLR | Device Level Ring |
todo |
| DMZ | Demilitarized Zone |
wikipedia |
| DNAT | Destination Network Address Translation |
todo |
| DNS | Domain Name Service/Domain Name Server/Domain Name System |
wikipedia |
| DOCSIS | Data-Over-Cable Service Interface Specification |
todo |
| DoS | Denial of Service |
wikipedia |
| DR | Designated Router |
todo |
| DSCP | Differentiated Services Code Point |
todo |
| DSL | Digital Subscriber Line |
todo |
| DSSS | Direct Sequence Spread Spectrum |
todo |
| DSU | Data Service Unit |
todo |
| DWDM | Dense Wavelength Division Multiplexing |
todo |
| E1 | E-Carrier Level 1 |
todo |
| EAP | Extensible Authentication Protocol |
wikipedia |
| EDNS | Extension Mechanisms for DNS |
todo |
| EGP | Exterior Gateway Protocol |
todo |
| EIA/TIA | Electronic Industries Alliance/Telecommunication Industries Association |
todo |
| EMI | Electromagnetic Interference |
wikipedia |
| ESD | Electrostatic Discharge |
todo |
| ESP | Encapsulating Security Payload, see IPsec |
wikipedia |
| ESSID | Extended Service Set Identifier |
todo |
| EUI | Extended Unique Identifier |
todo |
| FC | Fibre Channel |
todo |
| FCoE | Fibre Channel over Ethernet |
todo |
| FCS | Frame Check Sequence |
todo |
| FDM | Frequency Division Multiplexing |
todo |
| FHSS | Frequency Hopping Spread Spectrum |
todo |
| FM | Frequency Modulation |
todo |
| FQDN | Fully Qualified Domain Name |
todo |
| FTP | File Transfer Protocol |
wikipedia |
| FTPS | File Transfer Protocol Security |
wikipedia |
| GBIC | Gigabit Interface Converter |
todo |
| Gbps | Gigabits per second |
todo |
| GLBP | Gateway Load Balancing Protocol |
todo |
| GPG | GNU Privacy Guard |
todo |
| GRE | Generic Routing Encapsulation |
todo |
| GSM | Global System for Mobile Communications |
todo |
| HA | High Availability |
wikipedia |
| HDLC | High-Level Data Link Control |
todo |
| HDMI | High-Definition Multimedia Interface |
todo |
| HIDS | Host Intrusion Detection System |
wikipedia |
| HIPS | Host Intrusion Prevention System |
wikipedia |
| HSPA | High-Speed Packet Access |
todo |
| HSRP | Hot Standby Router Protocol |
todo |
| HT | High Throughput |
todo |
| HTTP | Hypertext Transfer Protocol |
todo |
| HTTPS | Hypertext Transfer Protocol Secure |
wikipedia |
| HVAC | Heating, Ventilation and Air Conditioning |
wikipedia |
| Hz | Hertz |
todo |
| IaaS | Infrastructure as a Service |
wikipedia |
| IANA | Internet Assigned Numbers Authority |
todo |
| ICA | Independent Computer Architecture |
todo |
| ICANN | Internet Corporation for Assigned Names and Numbers |
todo |
| ICMP | Internet Control Message Protocol |
wikipedia |
| ICS | Internet Connection Sharing/Industrial Control System |
wikipedia |
| IDF | Intermediate Distribution Frame |
todo |
| IDS | Intrusion Detection System |
wikipedia |
| IEEE | Institute of Electrical and Electronics Engineers |
todo |
| IGMP | Internet Group Message Protocol |
wikipedia |
| IGP | Interior Gateway Protocol |
todo |
| IGRP | Interior Gateway Routing Protocol |
todo |
| IKE | Internet Key Exchange |
todo |
| IMAP4 | Internet Message Access Protocol version 4 |
wikipedia |
| InterNIC | Internet Network Information Center |
todo |
| IoT | Internet of Things |
wikipedia |
| IP | Internet Protocol |
wikipedia |
| IPS | Intrusion Prevention System |
wikipedia |
| IPSec | Internet Protocol Security |
wikipedia |
| IPv4 | Internet Protocol version 4 |
todo |
| IPv6 | Internet Protocol version 6 |
todo |
| ISAKMP | Internet Security Association and Key Management Protocol |
todo |
| ISDN | Integrated Services Digital Network |
todo |
| IS-IS | Intermediate System to Intermediate System |
todo |
| ISP | Internet Service Provider |
todo |
| IT | Information Technology |
todo |
| ITS | Intelligent Transportation System |
todo |
| IV | Initialization Vector |
wikipedia |
| Kbps | Kilobits per second |
todo |
| KVM | Keyboard Video Mouse |
todo |
| L2TP | Layer 2 Tunneling Protocol |
wikipedia |
| LACP | Link Aggregation Control Protocol |
todo |
| LAN | Local Area Network |
todo |
| LC | Local Connector |
todo |
| LDAP | Lightweight Directory Access Protocol |
wikipedia |
| LEC | Local Exchange Carrier |
todo |
| LED | Light Emitting Diode |
todo |
| LLC | Logical Link Control |
todo |
| LLDP | Link Layer Discovery Protocol |
todo |
| LSA | Link State Advertisements |
todo |
| LTE | Long Term Evolution |
todo |
| LWAPP | Light Weight Access Point Protocol |
todo |
| MaaS | Mobility as a Service |
todo |
| MAC | Media Access Control/Medium Access Control |
wikipedia |
| MAN | Metropolitan Area Network |
todo |
| Mbps | Megabits per second |
todo |
| MBps | Megabytes per second |
todo |
| MDF | Main Distribution Frame |
todo |
| MDI | Media Dependent Interface |
todo |
| MDIX | Media Dependent Interface Crossover |
todo |
| MGCP | Media Gateway Control Protocol |
todo |
| MIB | Management Information Base |
todo |
| MIMO | Multiple Input, Multiple Output |
todo |
| MLA | Master License Agreement/Multilateral Agreement |
todo |
| MMF | Multimode Fiber |
todo |
| MOA | Memorandum of Agreement |
wikipedia |
| MOU | Memorandum of Understanding |
wikipedia |
| MPLS | Multiprotocol Label Switching |
todo |
| MS-CHAP | Microsoft Challenge Handshake Authentication Protocol |
wikipedia |
| MSA | Master Service Agreement |
todo |
| MSDS | Material Safety Data Sheet |
todo |
| MT-RJ | Mechanical Transfer-Registered Jack |
todo |
| MTU | Maximum Transmission Unit |
todo |
| MTTR | Mean Time To Recovery |
wikipedia |
| MTBF | Mean Time Between Failures |
wikipedia |
| MU-MIMO | Multiuser Multiple Input, Multiple Output |
todo |
| MX | Mail Exchanger |
todo |
| NAC | Network Access Control |
wikipedia |
| NAS | Network Attached Storage |
wikipedia |
| NAT | Network Address Translation |
wikipedia |
| NCP | Network Control Protocol |
todo |
| NDR | Non-Delivery Receipt |
todo |
| NetBEUI | Network Basic Input/Output Extended User Interface |
todo |
| NetBIOS | Network Basic Input/Output System |
todo |
| NFC | Near Field Communication |
wikipedia |
| NFS | Network File Service |
todo |
| NGFW | Next-Generation Firewall |
todo |
| NIC | Network Interface Card |
wikipedia |
| NIDS | Network Intrusion Detection System |
wikipedia |
| NIPS | Network Intrusion Prevention System |
wikipedia |
| NIU | Network Interface Unit |
todo |
| nm | Nanometer |
todo |
| NNTP | Network News Transport Protocol |
todo |
| NTP | Network Time Protocol |
wikipedia |
| OCSP | Online Certificate Status Protocol |
wikipedia |
| OCx | Optical Carrier |
todo |
| OS | Operating System |
todo |
| OSI | Open Systems Interconnect |
wikipedia |
| OSPF | Open Shortest Path First |
todo |
| OTDR | Optical Time Domain Reflectometer |
todo |
| OUI | Organizationally Unique Identifier |
todo |
| PaaS | Platform as a Service |
wikipedia |
| PAN | Personal Area Network |
todo |
| PAP | Password Authentication Protocol |
wikipedia |
| PAT | Port Address Translation |
wikipedia |
| PC | Personal Computer |
todo |
| PCM | Phase-Change Memory |
todo |
| PDoS | Permanent Denial of Service |
todo |
| PDU | Protocol Data Unit |
todo |
| PGP | Pretty Good Privacy |
wikipedia |
| PKI | Public Key Infrastructure |
wikipedia |
| PoE | Power over Ethernet |
todo |
| POP | Post Office Protocol |
wikipedia |
| POP3 | Post Office Protocol version 3 |
wikipedia |
| POTS | Plain Old Telephone Service |
todo |
| PPP | Point-to-Point Protocol |
wikipedia |
| PPPoE | Point-to-Point Protocol over Ethernet |
todo |
| PPTP | Point-to-Point Tunneling Protocol |
wikipedia |
| PRI | Primary Rate Interface |
todo |
| PSK | Pre-Shared Key |
wikipedia |
| PSTN | Public Switched Telephone Network |
todo |
| PTP | Point-to-Point |
todo |
| PTR | Pointer |
todo |
| PUA | Privileged User Agreement |
todo |
| PVC | Permanent Virtual Circuit |
todo |
| QoS | Quality of Service |
todo |
| QSFP | Quad Small Form-Factor Pluggable |
todo |
| RADIUS | Remote Authentication Dial-In User Service |
wikipedia |
| RARP | Reverse Address Resolution Protocol |
todo |
| RAS | Remote Access Service |
wikipedia |
| RDP | Remote Desktop Protocol |
wikipedia |
| RF | Radio Frequency |
todo |
| RFI | Radio Frequency Interference |
wikipedia |
| RFP | Request for Proposal |
todo |
| RG | Radio Guide |
todo |
| RIP | Routing Internet Protocol |
todo |
| RJ | Registered Jack |
todo |
| RPO | Recovery Point Objective |
wikipedia |
| RSA | Rivest, Shamir, Adelman |
wikipedia |
| RSH | Remote Shell |
todo |
| RSTP | Rapid Spanning Tree Protocol |
wikipedia |
| RTO | Recovery Time Objective |
wikipedia |
| RTP | Real-Time Protocol |
wikipedia |
| RTSP | Real-Time Streaming Protocol |
todo |
| RTT | Round Trip Time or Real Transfer Time |
todo |
| SA | Security Association |
todo |
| SaaS | Software as a Service |
wikipedia |
| SC | Standard Connector/Subscriber Connector |
todo |
| SCADA | Supervisory Control and Data Acquisition |
wikipedia |
| SCP | Secure Copy Protocol |
wikipedia |
| SDLC | Software Development Life Cycle |
wikipedia |
| SDN | Software Defined Network |
wikipedia |
| SDP | Session Description Protocol |
todo |
| SDSL | Symmetrical Digital Subscriber Line |
todo |
| SFP | Small Form-factor Pluggable |
todo |
| SFTP | Secure File Transfer Protocol |
wikipedia |
| SGCP | Simple Gateway Control Protocol |
todo |
| SHA | Secure Hash Algorithm |
wikipedia |
| SIEM | Security Information and Event Management |
wikipedia |
| SIP | Session Initiation Protocol |
todo |
| SLA | Service Level Agreement |
wikipedia |
| SLAAC | Stateless Address Auto Configuration |
todo |
| SLIP | Serial Line Internet Protocol |
todo |
| SMB | Server Message Block |
todo |
| SMF | Single-Mode Fiber |
todo |
| SMS | Short Message Service |
wikipedia |
| SMTP | Simple Mail Transfer Protocol |
wikipedia |
| SNAT | Static Network Address Translation/Source Network Address Translation |
todo |
| SNMP | Simple Network Management Protocol |
wikipedia |
| SNTP | Simple Network Time Protocol |
todo |
| SOA | Start of Authority |
todo |
| SOHO | Small Office Home Office |
wikipedia |
| SONET | Synchronous Optical Network |
todo |
| SOP | Standard Operating Procedure |
wikipedia |
| SOW | Statement of Work |
todo |
| SPB | Shortest Path Bridging |
todo |
| SPI | Stateful Packet Inspection |
todo |
| SPS | Standby Power Supply |
todo |
| SSH | Secure Shell |
wikipedia |
| SSID | Service Set Identifier |
wikipedia |
| SSL | Secure Sockets Layer |
wikipedia |
| ST | Straight Tip or Snap Twist |
todo |
| STP | Spanning Tree Protocol |
wikipedia |
| STP | Shielded Twisted Pair |
todo |
| SVC | Switched Virtual Circuit |
todo |
| SYSLOG | System Log |
todo |
| T1 | Terrestrial Carrier Level 1 |
todo |
| TA | Terminal Adaptor |
todo |
| TACACS | Terminal Access Control Access Control System |
wikipedia |
| TACACS+ | Terminal Access Control Access Control System+ |
wikipedia |
| TCP | Transmission Control Protocol |
wikipedia |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
wikipedia |
| TDM | Time Division Multiplexing |
todo |
| TDR | Time Domain Reflectometer |
todo |
| Telco | Telecommunications Company |
todo |
| TFTP | Trivial File Transfer Protocol |
todo |
| TKIP | Temporal Key Integrity Protocol |
wikipedia |
| TLS | Transport Layer Security |
wikipedia |
| TMS | Transportation Management System |
todo |
| TOS | Type of Service |
todo |
| TPM | Trusted Platform Module |
wikipedia |
| TTL | Time to Live |
todo |
| TTLS | Tunneled Transport Layer Security |
todo |
| UC | Unified Communications |
todo |
| UDP | User Datagram Protocol |
wikipedia |
| UNC | Universal Naming Convention |
todo |
| UPC | Ultra Polished Connector |
todo |
| UPS | Uninterruptible Power Supply |
wikipedia |
| URL | Uniform Resource Locator |
todo |
| USB | Universal Serial Bus |
wikipedia |
| UTM | Unified Threat Management |
wikipedia |
| UTP | Unshielded Twisted Pair |
todo |
| VDSL | Variable Digital Subscriber Line |
todo |
| VLAN | Virtual Local Area Network |
wikipedia |
| VNC | Virtual Network Connection |
todo |
| VoIP | Voice over IP |
wikipedia |
| VPN | Virtual Private Network |
wikipedia |
| VRF | Virtual Routing Forwarding |
todo |
| VRRP | Virtual Router Redundancy Protocol |
todo |
| VTC | Video Teleconference |
todo |
| VTP | VLAN Trunk Protocol |
todo |
| WAF | Web Application Firewall |
wikipedia |
| WAN | Wide Area Network |
todo |
| WAP | Wireless Application Protocol/Wireless Access Point |
wikipedia |
| WEP | Wired Equivalent Privacy |
wikipedia |
| WLAN | Wireless Local Area Network |
todo |
| WMS | Warehouse Management System |
todo |
| WPA | WiFi Protected Access |
wikipedia |
| WPS | WiFi Protected Setup |
wikipedia |
| WWN | World Wide Name |
todo |
| XDSL | Extended Digital Subscriber Line |
todo |
| XML | eXtensible Markup Language |
wikipedia |
| Zeroconf | Zero Configuration |
todo |
| Port number | Service | Wikipedia |
|---|---|---|
| TCP 20 | FTP data transfer |
wikipedia |
| TCP 21 | FTP control / command |
wikipedia |
| TCP 22 | SSH Secure Shell , SFTP, SCP |
wikipedia |
| TCP 23 | TELNET |
wikipedia |
| TCP 25/587 | SMTP Simple Mail Transfer Protocol |
wikipedia |
| TCP 43 | WHOIS |
wikipedia |
| TCP/UDP 49 | TACACS login host protocol |
wikipedia |
| TCP/UDP 53 | DNS Domain Name System |
wikipedia |
| UDP 67,68 | DHCP Dynamic Host Configuration Protocol |
wikipedia |
| UDP 69 | TFTP trivial file transfer protocol |
wikipedia |
| TCP 80 | HTTP |
wikipedia |
| TCP 88 | KERBEROS authentication system |
wikipedia |
| TCP 110 | POP3 Post Office Protocol v3 |
wikipedia |
| TCP 119 | NNTP Network News Transfer Protocol |
wikipedia |
| UDP 123 | NTP Network Time Protocol |
wikipedia |
| TCP/UDP 135 | RPC Remote Procedure Call |
wikipedia |
| TCP/UDP 137-139 | NetBIOS Network Basic I/O System |
wikipedia |
| TCP 143 | IMAP Internet Mail Access Protocol |
wikipedia |
| UDP 161 | SNMP Simple Network Management Protocol |
wikipedia |
| TCP/UDP 162 | SNMPTRAP Simple Network Management Protocol Trap |
wikipedia |
| TCP 389 | LDAP |
wikipedia |
| TCP 443 | HTTPS |
wikipedia |
| TCP 445 | CIFS / SMB Server Message Block |
wikipedia |
| TCP 465 | SMTPS Simple Mail Transfer Protocol over SSL/TLS |
wikipedia |
| UDP 514 | Syslog |
wikipedia |
| TCP 636 | LDAPS Lightweight Directory Access Protocol over TLS/SSL |
wikipedia |
| TCP 860 | iSCSI internet Small Computer Systems Interface |
wikipedia |
| TCP/UDP 989 | FTPS, FTP over TLS/SSL, data |
wikipedia |
| TCP/UDP 990 | FTPS, FTP over TLS/SSL, control |
wikipedia |
| TCP 993 | IMAPS4, Internet Message Access Protocol over TLS/SSL |
wikipedia |
| TCP 995 | POP3S, Post Office Protocol 3 over TLS/SSL |
wikipedia |
| TCP 1433 | MS-SQL Service |
wikipedia |
| UDP 1701 | L2TP Layer 2 Tunneling Protocol |
wikipedia |
| TCP 1723 | PPTP Point-to-Point Tunneling Protocol |
wikipedia |
| UDP 1812/1813 | RADIUS |
wikipedia |
| TCP/UDP 3389 | RDP Remote Desktop Protocol |
wikipedia |
| TCP 3868 | Diameter |
wikipedia |
| TCP 6514 | Syslog over TLS |
wikipedia |
| Service | Port number | Wikipedia |
|---|---|---|
| FTP data transfer | TCP 20 |
wikipedia |
| FTP control / command | TCP 21 |
wikipedia |
| SSH Secure Shell , SFTP, SCP | TCP 22 |
wikipedia |
| TELNET | TCP 23 |
wikipedia |
| SMTP Simple Mail Transfer Protocol | TCP 25/587 |
wikipedia |
| WHOIS | TCP 43 |
wikipedia |
| TACACS login host protocol | TCP/UDP 49 |
wikipedia |
| DNS Domain Name System | TCP/UDP 53 |
wikipedia |
| DHCP Dynamic Host Configuration Protocol | UDP 67,68 |
wikipedia |
| TFTP trivial file transfer protocol | UDP 69 |
wikipedia |
| HTTP | TCP 80 |
wikipedia |
| KERBEROS authentication system | TCP 88 |
wikipedia |
| POP3 Post Office Protocol v3 | TCP 110 |
wikipedia |
| NNTP Network News Transfer Protocol | TCP 119 |
wikipedia |
| NTP Network Time Protocol | UDP 123 |
wikipedia |
| RPC Remote Procedure Call | TCP/UDP 135 |
wikipedia |
| NetBIOS Network Basic I/O System | TCP/UDP 137-139 |
wikipedia |
| IMAP Internet Mail Access Protocol | TCP 143 |
wikipedia |
| SNMP Simple Network Management Protocol | UDP 161 |
wikipedia |
| SNMPTRAP Simple Network Management Protocol Trap | TCP/UDP 162 |
wikipedia |
| LDAP | TCP 389 |
wikipedia |
| HTTPS | TCP 443 |
wikipedia |
| CIFS / SMB Server Message Block | TCP 445 |
wikipedia |
| SMTPS Simple Mail Transfer Protocol over SSL/TLS | TCP 465 |
wikipedia |
| Syslog | UDP 514 |
wikipedia |
| LDAPS Lightweight Directory Access Protocol over TLS/SSL | TCP 636 |
wikipedia |
| iSCSI internet Small Computer Systems Interface | TCP 860 |
wikipedia |
| FTPS, FTP over TLS/SSL, data | TCP/UDP 989 |
wikipedia |
| FTPS, FTP over TLS/SSL, control | TCP/UDP 990 |
wikipedia |
| IMAPS4, Internet Message Access Protocol over TLS/SSL | TCP 993 |
wikipedia |
| POP3S, Post Office Protocol 3 over TLS/SSL | TCP 995 |
wikipedia |
| MS-SQL Service | TCP 1433 |
wikipedia |
| L2TP Layer 2 Tunneling Protocol | UDP 1701 |
wikipedia |
| PPTP Point-to-Point Tunneling Protocol | TCP 1723 |
wikipedia |
| RADIUS | UDP 1812/1813 |
wikipedia |
| RDP Remote Desktop Protocol | TCP/UDP 3389 |
wikipedia |
| Diameter | TCP 3868 |
wikipedia |
| Syslog over TLS | TCP 6514 |
wikipedia |