The document discusses implementing Intrusion Prevention Systems (IPS) using Cisco IOS-based IPS. It provides information on IPS and IDS functionality, comparing the two approaches. It also outlines the steps to configure and enable IOS-based IPS on a Cisco router, including downloading IPS files, creating a directory, configuring a crypto key, and enabling IPS. Common Cisco IPS solutions and management tools are also summarized.
The document provides an overview of cryptographic systems and concepts such as hashing, symmetric and asymmetric encryption, digital signatures, and specific algorithms like MD5, SHA, DES, AES, RSA and DSA. It discusses how these concepts work, their applications in network security, and considerations around key length and strength. Examples are provided to illustrate cryptographic techniques like hashing, HMAC, encryption and digital signatures.
The document discusses implementing Intrusion Prevention Systems (IPS) using Cisco IOS-based IPS. It provides information on IPS and IDS functionality, comparing the two approaches. It also outlines the steps to configure and enable IOS-based IPS on a Cisco router, including downloading IPS files, creating a directory, configuring a crypto key, and enabling IPS. Common Cisco IPS solutions and management tools are also summarized.
The document provides an overview of cryptographic systems and concepts such as hashing, symmetric and asymmetric encryption, digital signatures, and specific algorithms like MD5, SHA, DES, AES, RSA and DSA. It discusses how these concepts work, their applications in network security, and considerations around key length and strength. Examples are provided to illustrate cryptographic techniques like hashing, HMAC, encryption and digital signatures.
The document discusses configuring Cisco ASA, an adaptive security appliance that combines firewall, intrusion prevention, and VPN capabilities. It can be used as a security solution for both small and large networks. The document outlines configuring an ASA on GNS3 by setting the interface, IP address, name, and security level. It also provides steps for configuring an ASA using ASDM, such as copying the ASDM image, setting the ASA to load ASDM on reboot, enabling the HTTP server, and launching the ASDM application in a browser.
CCNA Security 07-Securing the local area networkAhmed Habib
This document discusses techniques for securing the local area network layer 2, including mitigating MAC address spoofing, STP manipulation, broadcast storms, and VLAN hopping attacks. It provides examples of how these attacks work and recommends configuration options like port security, BPDU guard, root guard, and controlling trunking to enhance network security. Specific commands are shown to enable these security features on Cisco switches to prevent common layer 2 attacks.
The document provides documentation on the command line options and syntax for tcpdump, a common packet analyzer tool. It details flags and parameters to control tcpdump behavior like interface selection, output formatting, filtering, and more. Additionally, it lists various protocols, TCP flags, data link types, and filter expressions that can be used to match specific packets or traffic when capturing network packets with tcpdump.
This document provides information on different types of physical terminations for networking including optical fiber connectors like SC and LC, copper connectors like RJ-45 and RJ-11, and small form-factor pluggable (SFP) modules. It lists common optical and copper termination standards and their applications for technologies such as 1000Base-SX/LX, 1000Base-T, and 10Gig X2.
This document summarizes VLAN trunking concepts including:
1. It describes the two main trunk encapsulation types, 802.1Q and ISL, and their differences in header size and VLAN number limits.
2. It provides an overview of access port and trunk port configuration and their roles in VLANs. Access ports are assigned to a single VLAN while trunks can carry multiple VLANs.
3. It explains the purpose and configuration of the VLAN Trunking Protocol (VTP) which allows switches to exchange VLAN information in a domain.
Quality of Service (QoS) models include Best Effort, Integrated Services (IntServ), and Differentiated Services (DiffServ). IntServ uses RSVP for per-flow bandwidth reservation. DiffServ uses packet classification and marking at edges and independent policy decisions within networks. Layer 2 QoS markings include priorities in Ethernet 802.1p, Frame Relay DE, and ATM CLP fields. IP precedences and DSCP markings provide QoS in IP networks. Common queuing methods include FIFO, PQ, CQ, WFQ, CBWFQ, and LLQ, with each having different capabilities for bandwidth allocation and prioritization.
This document discusses VoIP basics including:
1. Pulse code modulation and power over Ethernet standards like 802.3af and 802.3at that provide power to IP phones.
2. Common voice codecs like G.711, G.729, G.722 and their bandwidth requirements. Signaling protocols for VoIP calls include H.323, SIP, and MGCP.
3. The typical IP phone boot process which involves getting an IP address via DHCP, retrieving configuration via TFTP, and registering with call servers.
The itil foundation_certificate_syllabus (2) (1)Swapnil Kapate
This document provides the syllabus for the ITIL Foundation certification exam. It outlines 20 units that cover key aspects of ITIL such as service management concepts, the ITIL service lifecycle, generic terms and definitions, and ITIL best practices. The syllabus is intended to guide training material development and help candidates prepare for the exam. It provides learning objectives, recommended study periods, and content for each unit, such as describing processes, frameworks, and the value of different ITIL phases. The syllabus also includes introductory information about the certification and guidance for training providers on exam structure.
Here are the key aspects of peer-to-peer system architecture:
1. Decentralized network with no central authoritative server. Peers are both suppliers and consumers of resources.
2. Dynamic membership - peers can join and leave the network at any time.
3. Self-organizing - peers must discover each other and organize routing/searches with no central coordination.
4. Distributed hash table (DHT) - peers store and retrieve data from each other based on file hash/attribute keys in a DHT overlay network.
5. Incentive mechanisms - some systems use incentives/credits to encourage sharing and prevent free-riding.
6. Caching/replication - popular content
The document discusses networking and Cisco certifications as a career path. It provides an overview of the Cisco certification program, including entry-level certifications like CCENT and CCNA, professional-level certifications like CCNP, and expert-level certifications like CCIE. It emphasizes that Cisco dominates the networking industry with a 95% market share, and that Cisco certifications are valuable for obtaining networking jobs worldwide and advancing one's career in networking. The document recommends the CCNA certification as a good starting point for pursuing a career in networking.
The document outlines 3 training modules aimed at different levels of police staff. Module 1 is for constables and lower level staff, focusing on basic computer skills and programs like MS Word and Excel. Module 2 builds on these skills and also covers PowerPoint. Module 3 is a shorter course for more senior staff on operating systems, Word, Excel, PowerPoint and using the internet and email. The modules aim to develop computer skills, understanding and a positive attitude towards technology.
PPP is a data link protocol that allows multiple network layer protocols to be transported over the same physical link. It uses LCP to establish and configure the link, and separate NCPs to configure each network layer protocol carried over PPP, such as IP. PPP supports authentication using PAP, CHAP, or EAP, as well as optional data compression using Stacker or Predictor algorithms. Multilink PPP allows combining multiple physical links into one logical link.
This document provides an overview of basic commands and functions for constructing, sending, receiving, and analyzing packets using Scapy. It summarizes key Scapy commands for listing available protocols and functions, configuring parameters, building packets by specifying addresses, ports, and layer values, sending and receiving packets on different interfaces, capturing live packets, and fuzzing packet fields. The document is a quick reference for common Scapy tasks.
This document provides 200 questions and answers related to networking concepts for the CCNA certification exam. It covers topics such as switches vs hubs, VLANs, subnetting, Ethernet standards, routing protocols, ACLs, NAT, WAN technologies, EIGRP, OSPF, and more. The questions aim to help candidates prepare for networking job interviews by testing their knowledge of key CCNA topics.
This document discusses advanced troubleshooting techniques for computer technicians. Advanced troubleshooting requires strong diagnostic skills for hardware, software, networks, as well as strong communication skills when working with customers and other technicians. The document emphasizes using all available resources, including other technicians, to diagnose and solve problems, as well as helping other technicians when able. It also notes that advanced troubleshooting may involve unique problems or solutions that are difficult to perform or diagnose.
RIP is a distance-vector routing protocol that uses hop count as its routing metric. RIP versions include RIPv1 for IPv4, RIPv2 for classless routing and authentication with IPv4, and RIPng which extends RIPv2 to support IPv6 routing. Key attributes of RIP include using the Bellman-Ford algorithm, storing routes in tables with a maximum metric of 15 hops, and sending periodic full routing table updates every 30 seconds. RIP configuration involves enabling RIP on interfaces, modifying timers, and configuring authentication and route summarization.
Microsoft conference 2014_Cisco_session_非公式配布版Takao Setaka
Microsoft Conefence 2014 にて、シスコによるスポンサーセッションにて使用した資料の配布版です。ただし、会社公式ではないので、非公式扱い。内容の正確性などは保証致しません。
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