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Defense
Defense

... • Using PEAP/TTLS the data within the tunnel cannot be decrypted without the TLS master secret and the key is not shared with the Access point. Rogue/compromised access points cannot decrypt messages. ...
Cisco ASA 5500 Series SSL/IPsec VPN Edition
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... Deployment Flexibility: Extends the appropriate SSL VPN technology, either clientless or full-network access, on a per-session basis, depending on the user group or endpoint accessing the network. Comprehensive Network Access: Broad application and network resource access is provided through the Cis ...
Fingerprinting Encrypted Tunnel Endpoints Vafa Dario Izadinia U
Fingerprinting Encrypted Tunnel Endpoints Vafa Dario Izadinia U

... intended to be, or with minor `enhancements` that digress from the original design, which introduce a weakness in the system. These two: the implementation, and the relaxed adherence to the original standards, account for weaknesses in vendors´ products. It comes as no surprise then, when products b ...
Good Control/Good Proxy Server Installation
Good Control/Good Proxy Server Installation

... The maximum amount of memory available to Good Control can thus be increased. For larger deployments, you should consider increasing the JRE's heap size beyond the default. Important: To take advantage of the 64-bit JRE with Good Control, you must be running the 64-bit Windows operating system, if y ...
Slide 1
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... • Uses SSL protocol for confidentiality, authentication and integrity and then proxies to provide authorized and secure access for private network resource like Web, Client/Server, file sharing etc. • Two modes • Clientless: Proxies web-based applications and uses inbuilt SSL support in browsers to ...
Large–Scale Tikhonov Regularization for Total Least
Large–Scale Tikhonov Regularization for Total Least

... Tikhonov Regularization of TLS problem To avoid the solution of the large scale linear systems with varying matrices Ĵk we combine Newton’s method with an iterative projection method. Let V be an ansatz space of small dimension k , and let the columns of V ∈ Rk ×n form an orthonormal basis of V. Re ...
Built-in VPN - NwTech, Inc.
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Secure Socket Layer (SSL) 1: Basic Overview
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... Secure Socket Layer (SSL) is an effective method of protecting data which is sent over a local or wide area network and is now available on Brothers range of colour laser network machines. It works by encrypting data sent over a network, i.e. a print job, so anyone trying to capture it will not be a ...
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CHAPTER 1 Networking Concepts
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... This standard is an extension of SMTP; MIME gives each attachment of an E-mail message its own header  NNTP (Network News Transport Protocol) UseNet servers transfer news items using this specialized transfer protocol  LDAP Intelligent Directory Services This protocol will store and deliver contac ...
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... C and S switch to encrypted communication using „master secret” as session key C and S exchange application data for session duration ...
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...  Used to authenticate a data set  Can be combined with a “secret key” value to create a custom Hash- ensures that your hash was created by someone you trust. ...
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...  Open port 443 onto the media appliance within your network.  Apply the Edgenuity White List for port 443.  Contact an Edgenuity Field Engineer to apply a SSL certificate onto the media appliance within your network.  Establish a FQDN for your media appliance within your network.  Two line-edit ...
Computer Security: Principles and Practice, 1/e
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...  is below transport layer, hence transparent to applications  can be transparent to end users  can provide security for individual users ...
CMSC 414 Computer (and Network) Security
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... generated the message, and it was received unaltered; also non-repudiation – In contrast, SSL would secure “the connection” from Alice’s computer; would need an additional mechanism to authenticate the user – Communication with off-line party (i.e., email) ...
SNMP
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... Encryption can be turned off. 2. The connection is securely reliable. Message transport includes a keyed cryptographic message authentication check (MAC). ...
module_70
module_70

... secret key, to inform the server that handshaking is terminating from the browser key. Server decrypts the secret key using it private key and decrypts the message using the secret key. It then sends a message, encrypted by the secret key, to inform the browser that handshaking is terminating from t ...
Hardware Building Blocks and Encoding
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... It is a highly specialized system with complex specifications contained in three books with book one dealing with the business description, book two a programmer’s guide, and book three giving the formal protocol description. For each transaction, SET provides the following services: authentication, ...
Network Security - University of Engineering and Technology
Network Security - University of Engineering and Technology

...  The connection is private. Encryption is used after an initial handshake to define a secret key. Symmetric cryptography is used for data encryption (e.g., DES, RC4, etc.)  The peer's identity can be authenticated using asymmetric, or public key, cryptography (e.g., RSA, DSS, etc.).  The connecti ...
Security in Automotive Domain Using Secure Socket Layer
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... their own security protocols. Then Internet Engineering Task Force (IETF) intervened to define a standard for an encryption-layer protocol. With the input from multiple vendors, the IETF created Transport Layer Security standard. Previous versions of SSL are SSL 2.0 and SSL 3.0.Transport Layer Secur ...
Left Focus Test Slide
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... – use of HMAC vs. SSL-defined keyed MAC algorithm – modified key generation algorithm uses both MD5 and SHA-1 with HMAC as a pseudo-random function – use of both MD5 and SHA-1 in RSA signatures – more complete set of error alerts ...
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Transport Layer Security

Transport Layer Security (TLS) and its predecessor, Secure Sockets Layer (SSL), both of which are frequently referred to as 'SSL', are cryptographic protocols designed to provide communications security over a computer network. They use X.509 certificates and hence asymmetric cryptography to authenticate the counterpart with whom they are communicating, and to negotiate a symmetric session key. This session key is then used to encrypt data flowing between the parties. This allows for data/message confidentiality, and message authentication codes for message integrity and as a by-product, message authentication. Several versions of the protocols are in widespread use in applications such as web browsing, email, Internet faxing, instant messaging, and voice-over-IP (VoIP). An important property in this context is forward secrecy, so the short-term session key cannot be derived from the long-term asymmetric secret key.As a consequence of choosing X.509 certificates, certificate authorities and a public key infrastructure are necessary to verify the relation between a certificate and its owner, as well as to generate, sign, and administer the validity of certificates. While this can be more beneficial than verifying the identities via a web of trust, the 2013 mass surveillance disclosures made it more widely known that certificate authorities are a weak point from a security standpoint, allowing man-in-the-middle attacks (MITM).The Internet Protocol Suite places TLS and SSL as tools into the application layer, while the OSI model characterizes them as being initialized in Layer 5 (session layer) and operating in Layer 6 (presentation layer). The session layer employs a handshake using an asymmetric cipher in order to establish cipher settings and a shared key for a session; the presentation layer encrypts the rest of the communication using a symmetric cipher and the session key. TLS and SSL may be characterized to work on behalf of the underlying transport layer protocol, which carries encrypted data.TLS is an Internet Engineering Task Force (IETF) standards track protocol, first defined in 1999 and updated in RFC 5246 (August 2008) and RFC 6176 (March 2011). It is based on the earlier SSL specifications (1994, 1995, 1996) developed by Netscape Communications for adding the HTTPS protocol to their Navigator web browser.
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