ssl and transport layer security tls

Ngày tải lên: 19/10/2014, 16:38

Ngày tải lên: 19/10/2014, 16:41

... CHƯƠNG I: GIỚI THIỆU TỔNG QUAN EAP -TLS 1.1 EAP -TLS ? EAP -TLS chữ viết tắt Extensible Authentication Protocol – Transport Layer Security (giao thức thẩm định quyền truy cập mở rộng ... truyền dẫn (TLS) Các giao thức EAP -TLS, EAP-TTLS PEAP  EAP-TTLS : Giao thức chứng thực đường hầm (EAP-TTLS) cung cấp loạt thuộc tính cho tin RADIUS EAP - dùng tầng vận chuyển, EAP-TTLS cung cấp ... Hình 4- 802.1x EAP -TLS Controller Mode CHƯƠNG II: GIAO THỨC EXTENSIBLE AUTHENTICATION PROTOCOL – TRANSPORT LAYER SECURITY 2.1 Giao thức EAP -TLS: 2.1.1 Sơ đồ hoạt động EAP -TLS (RFC 5216) 12 Được...

Ngày tải lên: 11/11/2015, 14:54

... What are SSL and TLS?  SSL – Secure Socket Layer  TLS – Transport Layer Security  both provide a secure transport connection between applications (e.g., a web server and a browser)  SSL was ... into TLS specified in RFC 2246  TLS can be viewed as SSL v3.1 SSL architecture SSL SSL Handshake Handshake Protocol Protocol SSL Change SSL Change Cipher Spec Cipher Spec Protocol Protocol SSL SSL ... HTTP) SSL Record Protocol SSL Record Protocol TCP TCP IP IP SSL components  SSL Handshake Protocol – negotiation of security algorithms and parameters – key exchange – server authentication and...

Ngày tải lên: 08/07/2013, 01:27

... the features and operation of well-known TCP/IP applications Table of Content TCP/IP Transport Layer TCP/IP Application Layer TCP/IP TRANSPORT LAYER Introduction to transport layer • The primary ... primary duties of the transport layer are to transport and regulate the flow of information from the source to the destination, reliably and accurately • The transport layer defines end-to-end ... Windowing Acknowledgment • Transport layer protocols – TCP and UDP header formats – TCP and UDP port numbers • The processes and protocols at the TCP/IP application layer – – – – – Domain Name...

Ngày tải lên: 16/02/2014, 07:20

... performance using striping techniques at the link -layer, transport- layer, and application -layer We are the first to implement and evaluate a transport- layer protocol that can utilize multiple paths ... link -layer, application -layer and transport- layer Chapter focuses on PlanetSeer, a large-scale distributed system for routing anomaly detection and diagnosis We first describe the components and ... performance and robustness Based on the network layer where the striping techniques are applied, we classify them into link -layer, transport- layer, and application -layer striping 2.1 Network Testbeds We...

Ngày tải lên: 15/03/2014, 21:20

... between tls 1.0 and ssl 3.0 than there are between ssl 3.0 and ssl 2.0 Section 5.4 details the differences between ssl and tls, but check the sidebars for more information Support for ssl is now ... 1.3 1.4 1.5 Web Security and Electronic Commerce History of ssl and tls Approaches to Network Security 1.3.1 Separate Security Protocol 1.3.2 Application-Specific Security 1.3.3 Security within ... provides exactly that security It is the Secure Sockets Layer protocol, more commonly known simply as ssl The ssl protocol—along with its successor, the Transport Layer Security (tls) protocol—is...

Ngày tải lên: 14/08/2014, 14:20

... provides additional details about ssl It describes how the current version of ssl operates with previous ssl versions, and how Netscape and Microsoft have each augmented ssl with techniques that promote ... restrictions This chapter also provides complete coverage of Transport Layer Security, detailing all the differences between tls and ssl Appendix a provides additional details on public key certificates ... phones, has created a variation of tls known as Wireless tls (wtls), which can support udp More information is available at http://www.wapforum.org 14 SSL & TLS Essentials: Securing the Web exploiting...

Ngày tải lên: 14/08/2014, 14:20

... most common use of ssl, secure Web browsing, the Web browser is the ssl client and the Web site is the ssl server These same two roles apply to all applications that use ssl, and the examples in ... a server, ssl defines a write state and a read state The write state defines the security information SSL Operation 47 for data that the system sends, and the read state defines the security information ... Secure Sockets Layer 3.1 SSL Roles The Secure Sockets Layer protocol defines two different roles for the communicating parties One system is always a client, while the other 37 38 SSL & TLS Essentials:...

Ngày tải lên: 14/08/2014, 14:20

... protocol, the Handshake protocol, and applications like http The Record Layer protocol accepts all of these messages, then formats and frames them appropriately, and passes them to a transport layer protocol ... transmission HTTP Secure Sockets Layer Change Cipher Handshake Alert Application Record Layer TCP Figure 4-1 SSL consists of several component protocols 67 68 SSL & TLS Essentials: Securing the Web ... requirements ssl imposes on the transport protocol It then describes the details of each ssl component The final subsections document the cryptographic calculations and options available with ssl 4.1 Transport...

Ngày tải lên: 14/08/2014, 14:20

... 0,2 SSL_ RSA_WITH_NULL_SHA 0,3 SSL_ RSA_EXPORT_WITH_RC4_40_MD5 0,4 SSL_ RSA_WITH_RC4_128_MD5 0,5 SSL_ RSA_WITH_RC4_128_SHA 0,6 SSL_ RSA_EXPORT_WITH_RC2_CBC_40_MD5 0,7 SSL_ RSA_WITH_IDEA_CBC_SHA 0,8 SSL_ RSA_EXPORT_WITH_DES40_CBC_SHA ... SSL_ RSA_EXPORT_WITH_DES40_CBC_SHA 0,9 SSL_ RSA_WITH_DES_CBC_SHA 0,10 SSL_ RSA_WITH_3DES_EDE_CBC_SHA 0,11 SSL_ DH_DSS_EXPORT_WITH_DES40_CBC_SHA 0,12 SSL_ DH_DSS_WITH_DES_CBC_SHA Message Formats SSL vs TLS The TLS protocol, ... 0,18 SSL_ DHE_DSS_WITH_DES_CBC_SHA 0,19 SSL_ DHE_DSS_WITH_3DES_EDE_CBC_SHA 0,20 SSL_ DHE_RSA_EXPORT_WITH_DES40_CBC_SHA 0,21 SSL_ DHE_RSA_WITH_DES_CBC_SHA 0,22 SSL_ DHE_RSA_WITH_3DES_EDE_CBC_SHA 0,23 SSL_ DH_anon_EXPORT_WITH_RC4_40_MD5...

Ngày tải lên: 14/08/2014, 14:20

... hash of 100 SSL & TLS Essentials: Securing the Web 'A' Master Secret Server Random Master Secret 'BB' 'CCC' Client Random Server Random Master Secret Client Random Server Random Client Random SHA ... Exportable SSL_ NULL_ WITH_NULL_ NULL • SSL_ RSA_ WITH_NULL_ MD5 • SSL_ RSA_ WITH_NULL_ SHA • SSL_ RSA_EXPORT_ WITH_RC4_40_ MD5 • SSL_ RSA_ WITH_RC4_128_ MD5 SSL_ RSA_ WITH_RC4_128_ SHA SSL_ RSA_EXPORT_ ... the Record Layer is only bytes, and consists of a protocol type (128 is used for handshake messages) and a single byte for the message length The actual handshake v2.0 Record Layer Handshake Protocol...

Ngày tải lên: 14/08/2014, 14:20

... proceed with a tls handshake 5.5 The Future of SSL and TLS The future evolution of ssl and tls is clearly in the hands of the ietf, as well as developers of Web browsers, Web servers, and other Internet ... 118 SSL & TLS Essentials: Securing the Web Table 5-2 Differences between SSL and TLS SSL v3.0 TLS v1.0 Protocol version in messages 3.0 3.1 Alert protocol message types 12 23 ad hoc standard ... Suite 0,0 TLS_ NULL_WITH_NULL_NULL 0,1 TLS_ RSA_WITH_NULL_MD5 0,2 TLS_ RSA_WITH_NULL_SHA 0,3 TLS_ RSA_EXPORT_WITH_RC4_40_MD5 0,4 TLS_ RSA_WITH_RC4_128_MD5 0,5 TLS_ RSA_WITH_RC4_128_SHA 0,6 TLS_ RSA_EXPORT_WITH_RC2_CBC_40_MD5...

Ngày tải lên: 14/08/2014, 14:20

... 0x4C2170 Appendix B SSL Security Checklist The Secure Sockets Layer protocol has been in use for Web commerce for three years now, and under its new name of Transport Layer Security, the protocol ... now have quite a lot of experience with ssl and tls implementations, much of which has helped to improve the security of the protocol through its revisions Security specialists have also learned ... relationship of ssl to other aspects of the systems that implement it In fact, although there are no known security flaws in the ssl or tls protocols themselves, other weaknesses in systems using ssl have...

Ngày tải lên: 14/08/2014, 14:20

... AttributeValueAssertion and, 151 67–68 Transport Layer Security (tls) Pro- Certificate authority’s public key and, 134 CertificateSerialNumber object and, 147 components of, 157–158 constructed objects and, 136–137 ... destination Transport Layer Security ( TLS) The ietf standard version of the Secure Sockets Layer protocol UTCTime An asn.1 primitive object that represents time according the universal standard (formerly ... Identifier and, 134 name attribute types and, 152 Name object and, 150 object identifier and, 149, 151, 158 Period of Validity field and, 133 primitive objects and, 136 RelativeDistinguishedName and, ...

Ngày tải lên: 14/08/2014, 14:20

... than one transport protocol available to apps r Internet: TCP and UDP Ì provide application transport network data link physical Transport Layer 3-4 Transport vs network layer network layer: logical ... transport layer protocols in the Internet: r r r UDP: connectionless transport TCP: connection-oriented transport TCP congestion control Transport Layer 3-2 Chapter outline Ì 3.1 Transport- layer ... letters in envelopes Ì hosts = houses Ì transport protocol = Ann and Bill Ì network -layer protocol = postal service Transport Layer 3-5 Internet transport- layer protocols Ì reliable, in-order delivery...

Ngày tải lên: 12/09/2012, 15:06

... stacking and swapping; granular rate-limiting and policing; layer 2+ traffic classification based on VLAN ID, VLAN P-bits, ToS bits and DiffServ Code Points; multiple service queues and queue ... suited for extending Ethernet and TDM services to single and small customer locations LOOP STAR® 700 LoopStar 712 LoopStar 745 and LoopStar 745P Higher speed Ethernet and multi-services over DS3 ... Next Generation Ethernet Access and Transport Solutions Revenue Through Virtual Private LAN Service (VPLS) LOOP STAR® 700 Next Generation Ethernet Access and Transport Solutions LoopStar 700...

Ngày tải lên: 16/10/2013, 14:15

... transparently handling delays and other packet impairments, and passing traffic through other switches and routers in the typical multi-vendor network Application Note Flexible Bandwidth Allocation ... NxT1/E1, DS3/E3, and OCn/STMn The LoopStar 700 also offers uniform services to multi-location customers who are both on-net and off-net, and it extends management visibility and provisioning ... T1s for PBX or videoconferencing traffic, and the rest of the bandwidth can be used for Ethernet services The LoopStar 700 provides even more operational and leased line savings for an off-net,...

Ngày tải lên: 22/10/2013, 17:15

... Endpoint Security Agent for Linux 23 Endpoint Security Agent RPM Log into the endpoint computer as root and use the following commands to start and stop Endpoint Security Agent RPM from the command ... commands start and stop Endpoint Security Agent even when a policy prevents the client from being shutdown To start Endpoint Security Agent: Type the following command to start Endpoint Security ... Endpoint Security Agent automatically starts, connects to the Endpoint Security server, then downloads the enterprise security policy and begins enforcing the policy If the Endpoint Security...

Ngày tải lên: 23/10/2013, 12:15

... reduce their costs and operational concerns surrounding cell site backhaul The LoopStar 800 accomplishes this through efficient aggregation and transport of legacy TDM services and 2.5/3G data services, ... significant number of T1 and T3 connections and still be able to groom the traffic effectively www.adc.com • +1-952-938-8080 • 1-800-366-3891 LoopStar® SONET Acess System The LoopStar 800 and 1600 provide ... of multitudes of costly T1 connections, the LoopStar 800 aggregates T1s and Ethernet traffic across the SONET network and hands them off at the Central Office as a single DS3 (using the Transmux...

Ngày tải lên: 21/12/2013, 08:17