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Found 1045 Articles for Internet

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A Cisco IOS (Internetwork Operating System) image is a type of software that runs on a Cisco router. It contains the necessary system files and utilities to allow the router to function as a network device, such as routing protocols, management tools, and security features. Backing up Cisco IOS Router image Backing up the Cisco IOS image on a router is an important step in the event that the current image becomes corrupt or is accidentally deleted. It is always recommended to have a backup copy of the Cisco IOS image before making any changes to the router, such as ... Read More

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Authentication in computer networks is the process of verifying the identity of a device or user on a network. This is done to ensure that only authorized devices and users are able to access network resources. There are many different methods that can be used for authentication, including passwords, biometric factors such as fingerprints or facial recognition, and security tokens. Overall, authentication is an important aspect of computer network security. It helps to ensure that only authorized devices and users are able to access network resources, protecting against unauthorized access and potential security breaches. Most popular authentication methods Here are ... Read More

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Mobile 3G network attacks are attacks that are specifically targeted at 3G mobile networks. 3G, or third-generation, mobile networks are the third generation of mobile communication technology and are used to provide wireless data and voice services to mobile devices. There are several types of attacks that can be launched against 3G mobile networks, including eavesdropping, man-in-the-middle attacks, denial of service (DoS) attacks, malware infections, and interference with communication signals. It's important for mobile network operators to implement security measures to protect against these types of attacks and keep their networks secure. Types of 3G Mobile Attack There are several ... Read More

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In a distributed system, the atomic commit protocol is a protocol that ensures that a transaction is either committed or rolled back in its entirety, even if the system fails or some of the nodes fail or crash. This is important for maintaining the consistency and integrity of the data in the system. There are several different algorithms that can be used to implement the atomic commit protocol, including the two-phase commit protocol and the three-phase commit protocol. The two-phase commit protocol is the most common and involves two phases: the prepare phase and the commit phase. In the prepare ... Read More

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MIME is a way to encode binary files for transmission over the internet, so that they can be sent as part of email messages. It allows users to send and receive files of different types, such as images, audio, video, and other multimedia content, as well as plain text and other types of documents. MIME is used to specify the type of content being sent, as well as to provide additional information about the content, such as the name of the file, the character set being used, and the encoding method. MIME is implemented in most email clients and web ... Read More

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Outbound SMTP (Simple Mail Transfer Protocol) extensions are optional features that can be used to improve the functionality of email messages. These extensions are negotiated between the sending and receiving mail servers during the SMTP conversation, which occurs when an email is sent from one server to another. Outbound SMTP extensions that have been defined, including 8BITMIME − Allows 8-bit data to be transmitted over SMTP, allowing for the use of non-ASCII characters in email messages. BINARYMIME − Allows binary data to be transmitted as part of an email message. CHUNKING − Allows large messages to be sent in ... Read More

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SMTP (Simple Mail Transfer Protocol) is a protocol for transmitting email messages. An SMTP service extension is a feature or capability that can be added to the base SMTP protocol to provide additional functionality. These extensions are defined in the form of parameters that can be included in the SMTP command stream to indicate support for a particular extension or to provide additional information needed to use the extension. List of SMTP Service Extension Parameters Here is a list of some common SMTP service extensions − EHLO (Extended Hello) − This extension allows an SMTP client to negotiate the ... Read More

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Extended Simple Mail Transfer Protocol (ESMTP) is a protocol for sending email messages between servers. It is an extension of the Simple Mail Transfer Protocol (SMTP), which is the standard protocol for sending email messages on the Internet. ESMTP was designed to allow for greater flexibility and functionality in the exchange of email messages. In ESMTP, additional commands and functionality are added to the original SMTP protocol to allow for the exchange of more complex email messages, such as messages with attachments or messages in different character sets. ESMTP also includes mechanisms for negotiating the use of these additional features ... Read More

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Base64 encoding is a way to represent binary data in ASCII text format. It is often used for include small images in HTML, CSS, or JavaScript, or anything else text based. To encode data in Base64, the data is first converted to binary data and then broken into groups of 6 bits. Each group is then represented by a printable ASCII character. There are 64 characters in the Base64 "alphabet", which is why it is called Base64. The characters used are A-Z, a-z, 0-9, +, and /. For example, the letter 'A' in Base64 is represented as 'QQ==', and the ... Read More

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RFC 5322 is a standard that defines the format of internet messages, such as email messages. It specifies the structure and content of email messages, including the headers, body, and attachments. The standard is maintained by the Internet Engineering Task Force (IETF) and is an important reference for anyone working with email or other internet messages. It is also known as the Internet Message Format Standard. Here are a few more points about RFC 5322 − It replaces an earlier standard called RFC 822, which was published in 1982. It is written in ... Read More