Uncontrolled overload can lead e-commerce applications to considerable revenue losses. For this reason, overload prevention in these applications is a critical issue. In this paper we present a complete characterization of secure e-commerce applications scalability to determine which are the bottlenecks in their performance that must be considered for an overload control strategy. With this inf...

Much of the Internet's end-to-end security relies on the SSL protocol along with its underlying certificate infrastructure. We offer an in-depth study of real-world SSL and X.509 deployment characteristics from an unprecedented vantage point, based on a data set of more than 1.4 billion SSL sessions collected at the border of five operational sites. Our contributions are twofold: First, we revi...

Today the standard means for secure transactions in the World Wide Web (WWW) are the SSL/TLS protocols, which provide secure (i.e., private and authentic) channels between browsers and servers. As protocols SSL/TLS are considered secure. However, SSL/TLS’s protection ends at the “transport/session layer” and it is up to the application (here web browsers) to preserve the security offered by SSL...

With the development of e-commerce, ssl protocol is more and more widely applied to various network services. It is one of key technologies to keep user's data in secure transmission via internet. This document majorly focuses on sslstrip which generates the most recent attack in the secure network connections. It strips out all the secure connections to unsecure plain connection. In this artic...

Key establishment is essential for many applications of cryptography. Its purpose is to negotiate keys for other cryptographic schemes, usually for encryption and authentication. In a web services context, WS-SecureConversation has been specified to make use of negotiated keys. The most popular key establishment scheme in the Internet is the (handshake protocol of the) Secure Socket Layer or Tr...

This paper deals with two important aspects of communicat ion protocols namely specificationnand verification.We present a new variant of the Formal Description Techni que Estelle called SSL which has the semantics of a High-level Petri net model. Such a semantics enables to apply efficient proof methods in order to automatically verify communication prot ocol properties. SSL is mainly characte...

The SSL protocol is intended to provide a practical , application-layer, widely applicable connection-oriented mechanism for Internet client/server communications security. This note gives a detailed technical analysis of the cryptographic strength of the SSL 3.0 protocol. A number of minor aws in the protocol and several new active attacks on SSL are presented; however, these can be easily cor...

Approximately 1 000 Steller sea lions (Eumetopias jubatus (Schreber, 1776); SSL) and 14 000 northern fur seals (Callorhinus ursinus (L., 1758); NFS) breed sympatrically on Lovushki Island in the Russian Far East, creating the potential for interspecific competition for prey. An additional 13 000 – 14 000 juvenile NFS are present during the breeding season. The diets of breeding SSL and both bre...

Although the definition of sessile serrated lesion (SSL) of colon is controversial and the risk of progression to malignancy is also under investigation at present, SSL is generally described as a polyp characterized by a serrated architecture. It is estimated to represent a feature of a new cancerization pathway, coined "serrated neoplasia pathway," particularly in right-sided colon adenocarci...

Considerable uncertainties often surround the causes of long-term changes in population abundance. One striking example is the precipitous decline of southern sea lions (SSL; Otariaflavescens) at the Falkland Islands, from 80 555 pups in the mid 1930s to just 5506 pups in 1965. Despite an increase in SSL abundance over the past two decades, the population has not recovered, with the number of p...