Tech blog and Discussion

asterisk: sip remove header

March 5, 2020 eduguru 0

asterisk: sip remove header SIPRemoveHeader() Synopsis Remove SIP headers previously added with SIPAddHeader Description SIPRemoveHeader() allows you to remove headers

Asterisk

Asterisk:[general] section of sip.conf

March 2, 2020 eduguru 0

Asterisk

Register a sip client to asterisk

March 2, 2020 eduguru 0

Asterisk

Asterisk : Remote-Party-Id

February 12, 2020 eduguru 0

info linux ubuntu

Kernel Modules Versus Applications

April 2, 2020 Krishna 0

Before we go further, it’s worth underlining the various differences between a kernel module and an application. Whereas an application

linux Tutorial ubuntu

Version Numbering & License Terms

April 2, 2020 Krishna 0

linux Linux Command ubuntu

Security Issues

April 2, 2020 Krishna 0

mysql

Convert mysql table engine to innodb

March 26, 2020 eduguru Convert mysql table engine to innodb, mysql table engine

Convert mysql table engine to innodb

Java Javascript Tutorial Tutorial

Java 2 Protection Domain and Permissions Model

March 25, 2020March 25, 2020 Krishna Java 2 Network Security, Java 2 Protection Domain and Permissions Model, Java 2 security model, JVM, Mapping in the Java Application Environment, protection domain, System Domain, The Java application environment

A protection domain can be scoped by a set of objects that are currently directly accessible by a principal, where

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Evolution of the Java Security Model

March 25, 2020 Krishna A Comparison of the Three Java Security Models, Class File Verifier, Cryptographic services for data confidentiality/integrity, Digital signature services for code signing, Evolution of the Java Security Model, Java 2 Network Security, Java 2 Security API, Java 2 Security Tools, Java Cryptography, Java security model, JDK 1.1 Security API, Lexical scoping of privilege modification, Lexical Scoping of Privilege Modifications, Resource access to local signed code, Resource access to remote signed code, Security manager, The Concept of Trusted Code in JDK 1.1, The Fine-Grained Access Control of Java 2, The jar and javakey Tools, The JDK 1.0 Sandbox Security Model, The Need for Java Security

The Java programming language is one of the fastest-growing technologies in use on the Internet today. The principal reason why

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The New Java Security Model

March 24, 2020 Krishna Class File Verifier, Class Loader, digital signatures, encryption, Java 2 SDK, Java applet sandbox, Java classes, Java Virtual Machine, Java-based network computers, JDK 1.0, JDK 1.1, JVM, manipulate threads, risks, run-time environment, Security manager, security mechanisms, Standard Edition, The New Java Security Model, V1.2

The Need for Java Security From its inception, Java has shown that it was designed for the net. Java brought

info Networking Tutorial

What is the Internet?

March 19, 2020 Krishna A Nuts and Bolts, COMPUTER NETWORK, connection-oriented service, connectionless service. distributed applications, Data Communications, Institute of Electrical and Electronics Engineers (IEEE), INTERNET, Internet Architecture Board (IAB), Internet Engineering Task Force (IETF), Internet Standards, IP protocol, Media History Project, network application programs, network of networks, Some Good Hyperlinks, What is the Internet?

we use the public Internet, a specific computer network (and one which probably most readers have used), as our principle

Networking Tutorial

What is a Protocol?

March 19, 2020 Krishna A Human Analogy, computer network protocol, computer networking class, hardware-implemented protocols, human analogy, human protocol, Network Protocols, NETWORKING, protocol defines, software components, What is a Protocol?

Now that we’ve got a bit of a feel for what the “Internet” is, let’s consider another important word is

Java Tutorial

Java Cryptography Architecture

March 18, 2020March 18, 2020 Krishna Digital Signature Algorithm, engine classes, Java 2 Network Security, Java Cryptography Architecture, Java Keystore, Java Runtime Environments, java.security.Signature, management of keys, SHA 3 -1 and MD5 4, signature algorithms

JCA is described as a provider architecture. The primary principal in the design of the JCA has been to separate

Java Tutorial

Cryptographic Tools

March 18, 2020 Krishna Algorithm, bulk encryption, cryptographic techniques, Cryptographic Tools, cryptography, Data Encryption Algorithm, decrypted, fingerprint, Hashing, Hashing functions, public key encryption, secure hash

The derivation of the word cryptography is from Greek and means literally secret writing . Modern cryptography is still involved

Java Tutorial

Interfaces and Architectures

March 17, 2020 Krishna Interfaces and architectures, Java 2 Network Security, Java Application, java class, Java code, Java Database Connectivity, JavaBeans, JavaBeans technology, JDBC, JDK 1.1, object request broker (ORB), Object Request Brokers, ODBC bridge, Remote Method Invocation, Seek Purity, system platform, Web server

In the previous post We have discussed two parts of the world of Java, the development environment and the execution

Java Tutorial

The Execution Environment

March 17, 2020 Krishna bytecode, Class File Verifier, Class Loader, class loading process, Execution process, extension class, interpretation process, Java 2 Network Security, Java core classes, Java platform, Java programs, Java3D, JavaManagement, JavaServlet, just-in-time (JIT) compiler, JVM instruction, security, The Execution Environment, The Security Manager

We have said that the JVM operates on the stream of bytecode as an interpreter. This means that it processes

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