World Connect Training
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World Connect Service provides encryption of data transmissions over public IP networks using Certes boxes. Certes boxes use IPSec technology to encrypt entire IP packets in tunnel mode and encapsulate them for secure network-to-network communications. Benefits include data confidentiality, encryption/decryption, key management, and automatic session management. Certes boxes support full mesh, hub-and-spoke, and peer-to-peer topologies over layer 3 IPsec tunnels. WTD teams play a role in understanding the customer topology and performing basic speed/duplex settings during circuit turn up.
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IP Security One problem with Internet protocol (IP) is that it has.pdf
IP Security
One problem with Internet protocol (IP) is that it has no method for confirming the authenticity
and security of data as it moves through the net. IP datagrams are typically routed between
devices over disparate networks; as a result, information within these datagrams could be
intercepted and altered. As use of the Internet for critical applications has increased, the need for
enhancements to IP security became necessary. As a result, the Internet Engineering Task Force
(IETF) created a set of protocols called IP Security, or IPsec, to support the secure exchange of
packets over the Internet. IPsec is now a mandatory component of IPv6 and must be supported
for any IPv6 implementation. IPsec is implemented in IPv6 using the authentication header (AH)
and the encapsulating security payload (ESP) extension header.
Answer the following questions in a 3- to 4-page, APA-formatted paper:
1 What is IPsec, and why is it necessary? How is IPsec used in VPN?
2 Which network layer currently suffers from attacks, and why? At which layers of the
network stack architecture should a solution be attempted? Provide details.
3 How is IP security achieved? What is the basic authentication scheme? Which mechanisms
are used? What are some of the application venues of IPsec?
4 How is a VPN implemented on a server so that its clients can connect to it?
Remember to properly cite your sources according to APA guidelines.
Solution
IPSec
IPsec also known as IP Security.Internet Protocol Security is a framework for a set of protocols
that provide security for internet protocol. It can use cryptography to provide security. IPsec
support network level data integrity, data confidentiality. As it is integrated at the internet layer
(i.e. layer 3), it provides security for all the protocols in the TCP/IP. IPsec applied transparently
to the applications, there is no need to configure separate security for each application the uses
TCP/IP.
IPsec provides security for
IPsec provides two choices of security service: Authentication Header (AH), which essentially
allows authentication of the sender of data, and Encapsulating Security Payload (ESP), which
supports both authentication of the sender and encryption of data as well. The specific
information associated with each of these services is inserted into the packet in a header that
follows the IP packet header. Separate key protocols can be selected, such as the
ISAKMP/Oakley protocol.
IPsec is necessary for
Earlier security approaches have inserted security at the Application layer of the communications
model. IPsec is said to be especially useful for implementing virtual private networks and for
remote user access through dial-up connection to private networks. A big advantage of IPsec is
that security arrangements can be handled without requiring changes to individual user
computers. Cisco has been a leader in proposing IPsec as a standard (or combination of standards
and technologies) and has included support fo.
V P N
The document summarizes virtual private networks (VPNs), including their definition, need, and how they work. VPNs allow corporate networks to securely transmit data over the public internet. They provide flexibility, scalability, and cost savings compared to traditional private networks. The document describes various VPN types and protocols like IPsec and PPTP. It also discusses VPN hardware and software requirements and advantages/disadvantages of VPNs.
Implementation of IPSec VPN on Cisco routers and Configuring it on ISP. (1)
This document discusses implementing an IPsec VPN on Cisco routers and ISPs. It begins with introductions to TCP/IP concepts like layers, IP, and TCP. It then discusses existing VPN implementation methods and proposes using IPsec VPN. IPsec provides authentication and encryption of IP packets to secure communications. The document outlines the TCP/IP internet architecture including layers, IP, and protocols. It provides details on IP datagram format and fields. Finally, it discusses network topologies like bus, ring, and star, and components like hubs, switches, routers, and gateways.
L2 tp., ip sec
L2TP is a tunneling protocol that is used to support VPNs and does not provide encryption on its own. It relies on encryption protocols like IPsec to provide security. IPsec provides authentication, confidentiality and key management at the IP layer. It uses protocols like AH and ESP to provide integrity, authentication and encryption of IP packets. IPsec can operate in transport mode, encrypting only the payload, or tunnel mode, encrypting the entire IP packet. The combination of L2TP and IPsec is commonly used to secure VPN connections over the internet.
Branching out with SDN
The document discusses using SDN and overlay networking techniques like VXLAN and EVPN to build flexible Layer 2 and Layer 3 VPN services. It proposes using SDN controllers to program "smart edge, dumb core" CPE devices and transport customer traffic over any underlying IP network in a virtualized manner. This approach aims to simplify VPN provisioning and interworking with traditional networks while improving scalability, control, and service chaining compared to traditional IP VPN models.
Understanding senetas layer 2 encryption
The document provides an overview of Senetas layer 2 encryption devices:
- Senetas CN encryption devices encrypt data at the data link layer for secure network transmission.
- Encryption occurs transparently without modifying packet headers, supporting various network protocols up to 10Gbps.
- The devices operate autonomously without external servers, using unique encryption keys per connection.
- They provide encryption for both point-to-point and meshed network environments.
IP security and VPN presentation
IPsec and VPNs provide secure communication over insecure public networks like the Internet. IPsec uses cryptography to authenticate and encrypt IP packets. It supports two security services: Authentication Header (AH) for authenticating senders and detecting data changes, and Encapsulating Security Payload (ESP) for authentication, encryption, and encrypting packet payloads. IPsec can operate in two modes - Tunnel Mode encapsulates the entire IP packet for site-to-site VPNs, while Transport Mode only encapsulates the payload for client-to-site VPNs. Virtual Private Networks (VPNs) use IPsec to securely transmit data between private networks over public networks. Common VPN protocols are PPTP, L2TP/IP
GREAT MINDS
GMNS will design and implement a computer network for First Bourne Tax Services including installing hardware such as servers, switches, routers, firewalls, and access points. The network will utilize virtualization and cloud services including containers for functions like DHCP, DNS, file sharing, and security cameras. Hardware specifications are provided for the EMC storage servers and considerations for storage configuration, RAID levels, and calculating disk IOPS.
Module 8 - Ccna - Pre.pptx
This document discusses VPN and IPsec technologies. It covers:
1. VPN technology including remote access VPNs and site-to-site VPNs.
2. Types of VPNs including remote access VPNs using IPsec or SSL, and site-to-site IPsec VPNs using GRE over IPsec or IPsec virtual tunnel interfaces.
3. Key aspects of IPsec including IPsec protocol encapsulation using AH or ESP, confidentiality using encryption algorithms, integrity using HMAC or SHA, and authentication using pre-shared keys or certificates with secure key exchange using Diffie-Hellman.
CISCO Virtual Private LAN Service (VPLS) Technical Deployment Overview
This document discusses Virtual Private LAN Service (VPLS) and provides an overview of VPLS technical concepts. VPLS defines an architecture that delivers Ethernet multipoint services over an MPLS network by emulating an Ethernet bridge. Key components of VPLS include provider edge devices, pseudowires to connect customer sites, and virtual switch instances to segment customer traffic. VPLS supports both direct attachment and hierarchical architectures. Loop prevention is achieved through a full mesh of pseudowires between provider edges and split horizon forwarding in the MPLS core.
CCNAv5 - S4: Chapter3 Point to-point Connections
This chapter discusses point-to-point connections and configuring PPP. It covers serial point-to-point communication fundamentals including HDLC encapsulation. PPP operation is explained, including how LCP and NCP establish and manage connections. The document provides instructions for configuring PPP encapsulation, options like authentication, compression, and multilink. It also includes commands for verifying PPP configuration and troubleshooting connectivity issues.
AD-WAN-Tech-Chapter 1.pptx
This document provides an overview of wide area network (WAN) concepts and technologies. It discusses the purpose of WANs in connecting local area networks, common WAN topologies, and how WANs relate to the OSI model. The document also examines various WAN technologies including dedicated circuits, Frame Relay, ATM, Ethernet, MPLS, and broadband options. Key considerations for selecting a WAN technology include whether to use a private WAN infrastructure with a service provider or a public WAN over the internet using VPNs.
Phifer 3 30_04
This document discusses new directions in virtual private networking. It summarizes that the VPN market is growing due to increased security spending post-9/11, privacy mandates promoting VPN use, and risks associated with technologies like wireless networks. While VPN use is growing, the market is not yet saturated. The document also discusses trends toward integrating VPN with other security functions in appliances, the growing use of IPsec and SSL VPNs with different approaches, and efforts to address issues like encryption standards, network address translation, and endpoint security.
Converting your linux Box in security Gateway Part – 2 (Looking inside VPN)
Converting your linux Box in security Gateway Part – 2 (Looking inside VPN)n|u - The Open Security Community
Converting your linux Box in security Gateway Part – 2 (Looking inside VPN) by Murtuja Bharmal @ null Pune Meet, April, 2011CCNAv5 - S4: Chapter 7: Securing Site-to-site Connectivity
CCNAv5
S4 - Connecting Networks
Chapter7 securing site to-site connectivity
Download here:
ccna5vn.wordpress.com
ccna5vn.blogspot.com
Cehv8:
cehv8vn.blogspot.com
Youtube Channel:
www.youtube.com/user/VuzBlog
Shareeka Corporation with Packet Tracer Simulation
This document summarizes a network design project using Cisco Packet Tracer that incorporates security measures across different layers of the OSI model. The network contains three departments - corporate, finance, and sales. The corporate router uses EIGRP routing, has interfaces for each department and public use, and implements firewall protection through extended access lists. Switches have unused ports shut down, connected ports use port security, and are configured with security logins. The network design applies security at different OSI layers, from shutting down unused ports and router authentication to filtering services with firewalls.
Virtual private networks
Virtual private networks (VPNs) allow users to securely access an internal network from remote locations over a public network like the internet. VPNs use tunneling protocols to encrypt data transmission and make it appear as if the remote computer is part of the private network. There are various VPN implementation methods, including those using IPSec, MPLS, PPTP, or L2TP. MPLS VPNs in particular offer scalability and centralized services like multicast and quality of service controls. VPNs provide security through authentication, encryption, and authorization controls to prevent unauthorized access to internal network resources.
IRJET - Virtual Private Network Implementation on PC as a Router for Privacy ...
This document proposes implementing a virtual private network (VPN) using IPsec to securely transfer data between two remote networks. IPsec VPN provides an encrypted tunnel for data transmission and ensures privacy, authentication, and integrity. The proposed topology connects two networks using Vyos routers, with the path between them secured through an IPsec VPN tunnel. Vyos is an open-source network operating system that can convert a physical PC into a router. Sensors in one network would collect data and a client on the remote network could access a webpage displaying the sensor data through the private, encrypted VPN tunnel. Cryptography is used for authentication, confidentiality, and integrity of the transmitted data.
Basic ccna interview questions and answers ~ sysnet notes
Routers forward data packets between networks while switches operate at the data link layer and forward packets within a local area network. Hubs simply broadcast all incoming data to all ports. The document provides answers to common CCNA interview questions about networking fundamentals like IP addressing, routing, switching, protocols and Cisco router components.
Implementation of intelligent wide area network(wan)- report
This document summarizes a student's project on implementing an intelligent wide area network using EIGRP and MPLS routing technologies. The project's objective is to illustrate how these new routing technologies can result in faster convergence and reduced overhead traffic, improving overall network speed. Basic configurations of MPLS and EIGRP are demonstrated on Cisco routers. While the presented network design provides benefits, its full implementation requires high-end routers and switches that may be too costly for many organizations.
Similar to World Connect Training (20)
IP Security One problem with Internet protocol (IP) is that it has.pdf
IP Security One problem with Internet protocol (IP) is that it has.pdf
Implementation of IPSec VPN on Cisco routers and Configuring it on ISP. (1)
Implementation of IPSec VPN on Cisco routers and Configuring it on ISP. (1)
CISCO Virtual Private LAN Service (VPLS) Technical Deployment Overview
CISCO Virtual Private LAN Service (VPLS) Technical Deployment Overview
Converting your linux Box in security Gateway Part – 2 (Looking inside VPN)
Converting your linux Box in security Gateway Part – 2 (Looking inside VPN)
CCNAv5 - S4: Chapter 7: Securing Site-to-site Connectivity
CCNAv5 - S4: Chapter 7: Securing Site-to-site Connectivity
Shareeka Corporation with Packet Tracer Simulation
Shareeka Corporation with Packet Tracer Simulation
IRJET - Virtual Private Network Implementation on PC as a Router for Privacy ...
IRJET - Virtual Private Network Implementation on PC as a Router for Privacy ...
Basic ccna interview questions and answers ~ sysnet notes
Basic ccna interview questions and answers ~ sysnet notes
Implementation of intelligent wide area network(wan)- report
Implementation of intelligent wide area network(wan)- report
World Connect Training
- 1. World Connect ServiceTRAINING FOR WTD TEAM BY SHRIKANT BHAVSAR
- 2. What is World Connect Service? The world connect is a solution to provide services on public IP’s (Internet AS-6453) To overcome the discrepancies of VPN where we use MPLS backbone with private IP’s.
- 3. IP SECURITY IPSec technology has served the needs of global enterprises well, it has become very complex to deploy, manage and reaches its scalability limits when deployed in a generic router / firewall based CPE equipment.
- 4. IPSEC modes of operation Transport mode: Only the payload of the IP packet is usually encrypted and/or authenticated. Tunnel mode: The entire IP packet is encrypted and/or authenticated. It is then encapsulated into a new IP packet with a new IP header. Tunnel mode is used to create VPN for network-to- network communications
- 5. Benefits of IPSEC Data Confidentiality Encryption & Decryption Key Management IKE: Session management & establishment in both PE &CE Sessions are rekeyed & deleted automatically.
- 6. Introduction to Certes Boxes Certes Boxes are used for Encryption & decryption of Data. Certes Networks enables us to encrypt data transmissions over any type of network without compromising application or network performance Certes Networks introduces three areas of improvement over traditional IPsec for network-wide encryption deployments: group policy definition, dynamic traffic flow and encryption without tunnels We need copper for CEP5,10,100 & Fiber for CEP1G
- 7. Customer network Connectivity Certes Enforcement Points (CEP) CEP Boxes are placed or installed between PE device and the CPE device CEP boxes will have 4 interfaces remote interface, local interface, management interface and console.
- 8. Topology All three topologies are supported in Certes Full Mesh, Hub & Spoke and Peer to Peer. Our deployment will be mainly focusing on Full mesh and Hub & Spoke. Layer 3 tunnel Mode will be used for IP Sec encryption and decryption for TCL deployment Internet break out will be through the CEP, clear policy will be configured with low priority for internet access.
- 9. Layer 3 Tunnel Mode In Layer 3 Tunnel Mode we have two types of deployment depending upon the redundancy requirement a. Case 1: No redundant CEP available on customer end. Remote IP will be used for encrypting and decrypting the traffic. b. Case 2: redundant CEP available on customer end. Virtual IP will be used for encrypting and decrypting the traffic.
- 10. Types of scenarios in which certes deployment is targeted
- 11. 1) Single Router Single CEP Single WAN
- 12. 2) Single Router Dual CEP Dual WAN
- 13. 3) Dual Router Dual CEP Dual WAN
- 14. WTD Role in World Connect Circuits 1) First we have to understand the topology. 2) LM will terminate on which Certes Box 3) So basic Speed & Duplex settings we have to take from LM provider. 4) During turn up, NEECO has to do basic configuration on Certes Box. 5) Certes & CE router configuration will be done by IPP.