The Ping of Death uses a ping system utility to create an IP packet that exceeds the maximum 65,536 bytes of data allowed by the IP specification. The oversize packet is then sent to an unsuspecting system. Systems may crash, hang, or reboot when they receive such a maliciously crafted packet. This attack is not new, and all OS vendors have fixes in place to handle the oversize packets.

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[url=http://job-resume.co.cc/upload/PDSDS.zi ....etc

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An SSL Back-End Forwarding Scheme in Cluster-Based Web Servers


Abstract:
State-of-the-art cluster-based data centers consisting of three tiers (Web server, application server, and database server) are being used to host complex Web services such as e-commerce applications. The application server handles dynamic and sensitive Web contents that need protection from eavesdropping, tampering, and forgery. Although the Secure Sockets Layer (SSL) is the most popular protocol ....etc

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TLS (Transport Layer Security)
Presented By
Angshuman Karmakar
Roll “ 000610501011
B.C.S.E “ IV


History
¢ TLS and SSL encrypt the segments of network connections at the Transport Layer end-to-end.
¢ 1994: Netscape designed and built SSLv2
“ and told consumers that they needed SSL; credit card numbers were too sensitive to let go unencrypted
¢ Only Netscape Commerce Server supported SSL
“ It relied on X.509 certificates issued by RSADSI
¢ Microsoft had P ....etc

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INTRODUCTION
The secure connection consists of two types , either an individual computer or a LAN with a security gateway.
The LAN-to-LAN connection , where a security gateway is end with an IP address
IP address serves as the intermediate to the secure connection and the private LAN.
a user must gain access to the network in order to be authenticated in the first place.
GPRS
GPRS is General Packet Radio Service(GPRS) , it is a Mobile data service available to users of Global system for mobile communications ( ....etc

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Free/Open Source Software in CUSAT: A Success Story
G. Santhosh Kumar
Department of Computer Science,
Cochin University of Science and Technology
E-mail : [email protected]
Abstract
Free/Open Source Software (FOSS) concept is
very important in the academic community. The open
philosophy of FOSS is consistent with academic
freedom and the open dissemination of knowledge and
information in academia. FOSS can lower the barriers
to access of ICTs by reducing the cost of the software.
This article discusses the success story of
CUSAT's a ....etc

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Free/Open Source Software in CUSAT: A Success Story
G. Santhosh Kumar
Department of Computer Science,
Cochin University of Science and Technology
E-mail : [email protected]
Abstract
Free/Open Source Software (FOSS) concept is
very important in the academic community. The open
philosophy of FOSS is consistent with academic
freedom and the open dissemination of knowledge and
information in academia. FOSS can lower the barriers
to access of ICTs by reducing the cost of the software.
This article discusses the success story of
CUSAT's a ....etc

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The Secure Sockets Layer (SSL) is a commonly-used protocol for managing the security of a message transmission on the Internet. SSL has recently been succeeded by Transport Layer Security (TLS), which is based on SSL. SSL uses a program layer located between the Internet's Hypertext Transfer Protocol (HTTP) and Transport Control Protocol (TCP) layers. SSL is included as part of both the Microsoft and Netscape browsers and most Web server products. Developed by Netscape, SSL also gained the support of Microsoft and other Internet client/server ....etc

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SSL – Secure Socket Layer




What is SSL?

SSL – Secure Socket Layer
it provides a secure transport connection between applications
(e.g., a web server and a browser)
SSL was developed by Netscape
SSL version 3.0 has been implemented in many web browsers
(e.g., Netscape Navigator and MS Internet Explorer) and web
servers and widely used on the Internet
SSL v3.0 was specified in an Internet Draft (1996)
it evolved into RFC 224 ....etc

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SECURE SOCKET LAYER(SSL)


What Is SSL?


Secure Socket Layer(SSL) is a security protocol which is used to provide data security on network.
SSL provides a secure channel between two machines(ie,between client and server)
The data is encrypted between client and server, but the data at that end writes is exactly what the other end reads.

Why Security is needed

To maintain Confidentiality i.e. secrecy

To maintain Integrity of Data

To Authenticate i.e. to prevent unauthorised a ....etc

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