We often miss out on the details of how open source and free software became prevalent as they are today. These slides used in a seminar session attempts to provide an overview of the history and development of free software and open source philosophy.
Also, open source licenses tend to be complex. See the factors that inevitably make them complex.
This document discusses network management and SNMP. It describes various network management tasks including fault, configuration, performance, security, and accounting management. It then explains what SNMP is, how it defines management information through the SMI and MIB, and how it allows getting and setting this information through simple protocol operations. The document also covers SNMP traps, common SNMP management software agents and platforms, and factors to consider when choosing a management platform.
The document discusses SNMP (Simple Network Management Protocol) and the goals of the SNMP::Class module. SNMP::Class aims to simplify working with SNMP in Perl by encapsulating complex SNMP details, automatically handling data types and structures returned from SNMP queries, and providing a clean interface for network management tasks. It builds on existing SNMP libraries for Perl and uses roles to enhance how SNMP object identifiers and values are handled based on their semantics.
Nagios Conference 2011 - Mike Weber - Training: Getting Started With SNMPNagios
Mike Weber's training class on using SNMP with Nagios. The training session was held during the Nagios World Conference North America held Sept 27-29th, 2011 in Saint Paul, MN. For more information on the conference (including photos and videos), visit: http://go.nagios.com/nwcna
WebLogic Server provides SNMP agents that allow SNMP managers to monitor and communicate with managed resources in the WebLogic domain. SNMP agents query the WebLogic management system through MBeans and respond to manager requests by returning data wrapped in SNMP responses. SNMP agents can be organized in a decentralized or centralized model and support SNMPv1, SNMPv2, and SNMPv3 protocols with appropriate security configurations.
The document discusses SNMP (Simple Network Management Protocol), including its history, architecture, versions, syntax, data types, MIB (Management Information Base), and how it allows network devices to be monitored and managed. It then describes how the authors used Python to create a network tracker and poller that can query SNMP agents, retrieve required details from nodes, and send the responses to a GUI manager for monitoring a network.
Presentation by Grorg Christian Pranschkle at ZaCon 2 in 2010.
This presentation is about SNMP security The presentation begins with an overview of SNMP. SNMP security weaknesses and SNMP security in cisco apps are discussed. Frisk-0 a tool for SNMP Hacking developed by the presenter is also discussed.
We often miss out on the details of how open source and free software became prevalent as they are today. These slides used in a seminar session attempts to provide an overview of the history and development of free software and open source philosophy.
Also, open source licenses tend to be complex. See the factors that inevitably make them complex.
This document discusses network management and SNMP. It describes various network management tasks including fault, configuration, performance, security, and accounting management. It then explains what SNMP is, how it defines management information through the SMI and MIB, and how it allows getting and setting this information through simple protocol operations. The document also covers SNMP traps, common SNMP management software agents and platforms, and factors to consider when choosing a management platform.
The document discusses SNMP (Simple Network Management Protocol) and the goals of the SNMP::Class module. SNMP::Class aims to simplify working with SNMP in Perl by encapsulating complex SNMP details, automatically handling data types and structures returned from SNMP queries, and providing a clean interface for network management tasks. It builds on existing SNMP libraries for Perl and uses roles to enhance how SNMP object identifiers and values are handled based on their semantics.
Nagios Conference 2011 - Mike Weber - Training: Getting Started With SNMPNagios
Mike Weber's training class on using SNMP with Nagios. The training session was held during the Nagios World Conference North America held Sept 27-29th, 2011 in Saint Paul, MN. For more information on the conference (including photos and videos), visit: http://go.nagios.com/nwcna
WebLogic Server provides SNMP agents that allow SNMP managers to monitor and communicate with managed resources in the WebLogic domain. SNMP agents query the WebLogic management system through MBeans and respond to manager requests by returning data wrapped in SNMP responses. SNMP agents can be organized in a decentralized or centralized model and support SNMPv1, SNMPv2, and SNMPv3 protocols with appropriate security configurations.
The document discusses SNMP (Simple Network Management Protocol), including its history, architecture, versions, syntax, data types, MIB (Management Information Base), and how it allows network devices to be monitored and managed. It then describes how the authors used Python to create a network tracker and poller that can query SNMP agents, retrieve required details from nodes, and send the responses to a GUI manager for monitoring a network.
Presentation by Grorg Christian Pranschkle at ZaCon 2 in 2010.
This presentation is about SNMP security The presentation begins with an overview of SNMP. SNMP security weaknesses and SNMP security in cisco apps are discussed. Frisk-0 a tool for SNMP Hacking developed by the presenter is also discussed.
The document presents an overview of the Simple Network Management Protocol (SNMP). It describes SNMP's key concepts including management components like SMI and MIB, SNMP messages, UDP ports used, commercial SNMP applications, and advantages. The protocol allows network administrators to monitor and manage network resources by defining how information is exchanged between SNMP agents and managers.
Este documento introduce el protocolo SNMP y sus principales componentes. SNMP permite la supervisión remota de dispositivos de red mediante el uso de solicitudes GET y SET. Los objetos administrados se identifican mediante OIDs únicos, y las MIBs definen conjuntos de OIDs y sus nombres asociados. SNMP también utiliza traps para notificar eventos. La versión más reciente, SNMPv3, agrega funciones de seguridad como autenticación y privacidad.
SNMP is a widely used network management protocol that allows communication between network managers and agents using simple request/response messages. Managed elements contain SNMP agents that collect and store management data defined in MIB variables. Network management stations can send Get, GetNext, Set, and Trap messages to agents to read/write variables and receive asynchronous event notifications. The MIB defines managed objects using an ASN.1 tree structure and numeric identifiers to ensure unique naming.
This document provides an overview of the Simple Network Management Protocol (SNMP). It describes SNMP's basic components including the SNMP manager, agents, Management Information Base (MIB), and SNMP architecture. The SNMP framework allows network administrators to monitor and control network devices. It uses UDP ports 161 and 162 to communicate between the SNMP manager and agents, which collect device information defined in the MIB.
Introdunction To Network Management Protocols SNMP & TR-069William Lee
This document provides an overview of network management protocols SNMP and TR-069. It discusses the key functions of network management including configuration management, performance management, accounting management, fault management, and security management. It then describes the architecture of network management systems involving a managing server and managed devices. SNMP is introduced as a protocol that allows remote and local management using simple commands. TR-069 is summarized as defining a mechanism for secure auto-configuration of customer premise equipment. The main capabilities of TR-069 are also outlined.
Network Management is about monitoring and managing multi-protocol networks using the SNMP Protocol. The workshop reviews the SNMP Protocol structure, Network management applications, and query agents. There will be a detailed discussion on identifying objects, MIBs and SNMP devices.
WORKSHOP OBJECTIVES:
You will understand the structure and operation of SNMP
You will use SNMP to identify faulty devices
You will use RMON to analyse remote network information
You will interpret and explain MIB I and MIB II (Public/Private/Proprietary)
You will track the important variables on your network
You will install and configure a typical Network Management Package
MORE INFORMATION: http://www.idc-online.com/content/snmp-network-management-essentials-27
The document discusses the Simple Network Management Protocol (SNMP). SNMP is an application layer protocol used to manage network devices. It allows network administrators to monitor network-attached devices, retrieve performance metrics and configure device parameters. The key components of SNMP include SNMP managers, agents and MIBs (Management Information Bases). SNMP agents run on network devices and collect data from the device. SNMP managers communicate with agents to read/write data in MIBs to configure and monitor devices. The document describes the evolution of SNMP from versions 1 to 3, with newer versions focusing on improved security and management functionality.
SNMP (Simple Network Management Protocol) allows network devices to be monitored and managed. It defines an agent-manager architecture where agents run on devices and respond to requests from managers to retrieve or store management information. SNMP uses a management information base (MIB) and structure of management information (SMI) to define managed objects and their properties. Key SNMP components include versions 1 and 2, protocol data units (PDUs) like get, set, and trap requests, and error codes. SNMP traps allow agents to asynchronously notify managers of events.
The document discusses SNMP (Simple Network Management Protocol). It provides a high-level overview of SNMP including its history, versions, components like SMI and MIB, and basic operations. SNMP allows network devices to be monitored and managed remotely. It uses a client/server model where a manager communicates with agents running on devices using SNMP messages to get/set variable values defined in MIBs.
SNMP is a set of protocols for managing network devices. It uses a manager-agent model where a manager controls and monitors agents, usually routers. SNMP relies on SMI to define object naming and types and MIB to create a collection of named objects and their relationships. Objects are given OIDs starting with 1.3.6.1.2. SNMP versions 1 and 2c provide limited security while version 3 adds authentication and encryption. SNMP uses community strings for authentication in versions 1 and 2c and username/password in version 3. Common packet types include get, set, and trap requests.
Most often Zabbix users will monitor Linux hosts using the Zabbix agent, however SNMP is not only an option, it's actually a very viable one. Andrew Nelson will describe his experience configuring Zabbix to monitor a Linux environment of over 500 systems using only SNMP.
Zabbix Conference 2015
This document discusses the Simple Network Management Protocol (SNMP) which provides a framework for managing devices using TCP/IP. It describes the key components of SNMP including:
- The Structure of Management Information (SMI) which defines naming and encoding rules for managed objects.
- The Management Information Base (MIB) which defines a collection of managed objects for an entity.
- SNMP which defines the format of packets exchanged between a manager and agent to read and change status values of objects in MIBs.
The document provides examples of how objects are defined and encoded within SNMP packets.
This presentation gives a general overview of basic SNMP operations and troubleshooting SNMP issues. This presentation is the second of a three part series - SNMP Demystified.
I am a frankfinn studentsthis is the assignment done on travel management by me, so guys frm frankfinn u can use this as a refrence for your assignments, cheers
The document presents an overview of the Simple Network Management Protocol (SNMP). It describes SNMP's key concepts including management components like SMI and MIB, SNMP messages, UDP ports used, commercial SNMP applications, and advantages. The protocol allows network administrators to monitor and manage network resources by defining how information is exchanged between SNMP agents and managers.
Este documento introduce el protocolo SNMP y sus principales componentes. SNMP permite la supervisión remota de dispositivos de red mediante el uso de solicitudes GET y SET. Los objetos administrados se identifican mediante OIDs únicos, y las MIBs definen conjuntos de OIDs y sus nombres asociados. SNMP también utiliza traps para notificar eventos. La versión más reciente, SNMPv3, agrega funciones de seguridad como autenticación y privacidad.
SNMP is a widely used network management protocol that allows communication between network managers and agents using simple request/response messages. Managed elements contain SNMP agents that collect and store management data defined in MIB variables. Network management stations can send Get, GetNext, Set, and Trap messages to agents to read/write variables and receive asynchronous event notifications. The MIB defines managed objects using an ASN.1 tree structure and numeric identifiers to ensure unique naming.
This document provides an overview of the Simple Network Management Protocol (SNMP). It describes SNMP's basic components including the SNMP manager, agents, Management Information Base (MIB), and SNMP architecture. The SNMP framework allows network administrators to monitor and control network devices. It uses UDP ports 161 and 162 to communicate between the SNMP manager and agents, which collect device information defined in the MIB.
Introdunction To Network Management Protocols SNMP & TR-069William Lee
This document provides an overview of network management protocols SNMP and TR-069. It discusses the key functions of network management including configuration management, performance management, accounting management, fault management, and security management. It then describes the architecture of network management systems involving a managing server and managed devices. SNMP is introduced as a protocol that allows remote and local management using simple commands. TR-069 is summarized as defining a mechanism for secure auto-configuration of customer premise equipment. The main capabilities of TR-069 are also outlined.
Network Management is about monitoring and managing multi-protocol networks using the SNMP Protocol. The workshop reviews the SNMP Protocol structure, Network management applications, and query agents. There will be a detailed discussion on identifying objects, MIBs and SNMP devices.
WORKSHOP OBJECTIVES:
You will understand the structure and operation of SNMP
You will use SNMP to identify faulty devices
You will use RMON to analyse remote network information
You will interpret and explain MIB I and MIB II (Public/Private/Proprietary)
You will track the important variables on your network
You will install and configure a typical Network Management Package
MORE INFORMATION: http://www.idc-online.com/content/snmp-network-management-essentials-27
The document discusses the Simple Network Management Protocol (SNMP). SNMP is an application layer protocol used to manage network devices. It allows network administrators to monitor network-attached devices, retrieve performance metrics and configure device parameters. The key components of SNMP include SNMP managers, agents and MIBs (Management Information Bases). SNMP agents run on network devices and collect data from the device. SNMP managers communicate with agents to read/write data in MIBs to configure and monitor devices. The document describes the evolution of SNMP from versions 1 to 3, with newer versions focusing on improved security and management functionality.
SNMP (Simple Network Management Protocol) allows network devices to be monitored and managed. It defines an agent-manager architecture where agents run on devices and respond to requests from managers to retrieve or store management information. SNMP uses a management information base (MIB) and structure of management information (SMI) to define managed objects and their properties. Key SNMP components include versions 1 and 2, protocol data units (PDUs) like get, set, and trap requests, and error codes. SNMP traps allow agents to asynchronously notify managers of events.
The document discusses SNMP (Simple Network Management Protocol). It provides a high-level overview of SNMP including its history, versions, components like SMI and MIB, and basic operations. SNMP allows network devices to be monitored and managed remotely. It uses a client/server model where a manager communicates with agents running on devices using SNMP messages to get/set variable values defined in MIBs.
SNMP is a set of protocols for managing network devices. It uses a manager-agent model where a manager controls and monitors agents, usually routers. SNMP relies on SMI to define object naming and types and MIB to create a collection of named objects and their relationships. Objects are given OIDs starting with 1.3.6.1.2. SNMP versions 1 and 2c provide limited security while version 3 adds authentication and encryption. SNMP uses community strings for authentication in versions 1 and 2c and username/password in version 3. Common packet types include get, set, and trap requests.
Most often Zabbix users will monitor Linux hosts using the Zabbix agent, however SNMP is not only an option, it's actually a very viable one. Andrew Nelson will describe his experience configuring Zabbix to monitor a Linux environment of over 500 systems using only SNMP.
Zabbix Conference 2015
This document discusses the Simple Network Management Protocol (SNMP) which provides a framework for managing devices using TCP/IP. It describes the key components of SNMP including:
- The Structure of Management Information (SMI) which defines naming and encoding rules for managed objects.
- The Management Information Base (MIB) which defines a collection of managed objects for an entity.
- SNMP which defines the format of packets exchanged between a manager and agent to read and change status values of objects in MIBs.
The document provides examples of how objects are defined and encoded within SNMP packets.
This presentation gives a general overview of basic SNMP operations and troubleshooting SNMP issues. This presentation is the second of a three part series - SNMP Demystified.
I am a frankfinn studentsthis is the assignment done on travel management by me, so guys frm frankfinn u can use this as a refrence for your assignments, cheers
2. 1970s 1980 1990 2000 Now
70년대 / 네트워크는 극 소수의 사람들만이 사용
살아있니?
응, 살아있어.
3. 1970s 1980 1990 2000 Now
‘어떤 목적지까지 데이터가 갈 수 있다 혹은 없다’ 정도면 충분
ping 52.32.141.55
pong
4. 1970 1980s 1990s 2000 Now
80년대~90년대 / 인터넷의 사용 인구가 폭발적으로 증가
Need for a way to gather information from very different
systems in a consistent manner arises
5. 1970 1980s 2000 Now
SGMP (Simple Gateway Monitoring Protocol)이 생겨남
More features than ping
Ping보다 더 많은 기능
Intuitive, easy to spot network problems
직관적이고 쉽게 네트워크 문제를 찾을 수 있음
Standardized protocol
표준화된 프로토콜
1990s
6. Simple set of operations that gives administrators the ability
to change/retrieve the state of some SNMP-based device
SNMP
9. “미영씨,
시원한 물좀 갔다주세요”
물 전달
지배인
Manager
웨이트리스
Agent
손님
Customer
주방
MIB
A RESTAURANT
“Could I get a cup of water?”
10. A machine that is configured to poll SNMP agent for
information
MANAGER
11. Responsible for gathering information about the local
system and storing them in a format that can be queried
AGENT
12. Database of managed objects and their behavior
MANAGEMENT INFORMATION BASE (MIBs)
13. Example MIBs
DNS Server
RDBMS
PRINTER
(RFC 1611) Domain Nameserver를 관리하기 위한 MIB
(RFC 1697) 관계형 데이터베이스를 위한 MIB
프린터과 관련된 MIB, RFC 3805 (Printer MIBv2) 가 현재 표준
Vendors and individuals are allowed to define
MIB variables for their own use.
+
19. 5 Basic Commands
trap
getresponse
set
getnext
get
get에 대응하여 agent가 manager에게 보내는 패킷
특정 값을 변경하고 싶을 때 사용
내가 요청한 object id 에서 가장 근접한 instance id와 instance value를 가져옴
요청한 object id의 instance value를 가져옴
특정 이벤트가 발생했을 때 manager에게 알려주는 패킷
21. 한 예로, 프린터에 잉크가 얼마나 남아있는지 확인하고 싶을 때 사용할 수 있습니다.
SNMP USAGE
$ snmpget –c public {your-printer-ip} “.1.3.6.1.2.1.43.11.1.1.9”
종이, 토너, 용지걸림, Output Tray missing 등 다양한 정보
+
public은 community string이고 “.1.3.6.1.2.1.43.11.1.9”는
prtMarkerSuppliesLevel의 Obejct ID입니다.
23. 1. SNMP는 관리자들이 네트워크 장비들을 효율적으로 관리할 수 있게 해줍니다.
2. 프린터에선 용지 정보, 토너 정보, 용지 걸림, 유지보수 필요 여부, job status, 하드웨어
정보 등 다양한 정보를 관리자에게 제공합니다.
3. SNMP가 큰 인기를 얻을 수 있었던 것은 프로토콜의 간단함(simplicity) 에 있습니다.
4. MIB은 각 용도에 맞는 표준 규격(프린터의 경우 RFC 3805)을 쉽게 확장할 수 있습니다.
THINGS TO TAKE AWAY