what is nids security

With the increasing popularity of the concept of cloud computing, IT companies began to apply cloud computing to storage, transactions, finance, security, and many other fields. However, as there are more and more named "Clouds", the security issues of the "Cloud" itself have become the biggest obstacle to its development. What do you think are the challenges an

1. What is Ajax?Ajax is all called "Asynchronous JavaScript and XML" (Asynchronous JavaScript and XML) and is a web development technique for creating interactive Web applications. It uses:Use XHTML+CSS to standardize presentation;Using XML and XSLT for data exchange and related operations;Asynchronous data communicati

What is IIS? IIS is a system-wide feature of the Windows operating system that provides services such as Web, FTP, NNTP, and SMTP, making it easy to post information on the network, including the Internet and local area networks. IIS is an abbreviation for Internet Information Services and

Theoretically, SDN technology should bring about a safer network. Because, through virtual networks to programmable stacks, the network will become more flexible and operations should be more automated, which should mean less "fat finger" disaster. However, for any interconnected system, when we allocate basic operations to software, we also introduce new risks. When we connect servers to the internet, we know that some servers will be attacked, so we do our best to reduce this risk. But

Security issues when Bcrypt is used with other Hash functions at the same time0x00 Preface Php 5.5 introduces the bcrypt-based hash function password_hash and its corresponding verification function password_verify, allowing developers to easily implement a secure password for adding salt. This article describes the security issues found by the author around the

authentication to two-factor authentication, from static authentication to dynamic authentication. Identity Authentication Methods Commonly Used in computer and network systems are as follows: Username/password method User name/password is the simplest and most commonly used identity authentication method. It is based on the "what you know" authentication metho

defined based on internal requirements of the enterprise, the security filtering rules added to the firewall may allow insecure services and communications to pass through, this brings unnecessary risks and troubles to the enterprise network. A firewall can act as a data filter. If a reasonable Filtering Rule is set in advance, it can intercept irregular data packets and filter data packets. On the contrar

The so-called "Cloud" concept is to put databases and Management terminals remotely, that is, the cloud. Advantages of the cloud? 1. There are usually multiple servers on the cloud for redundancy, so it will not cause business Faults due to the failure of one server. 2. data can be stored on a remote server for a long time without being lost due to damage to the local hard disk. 3. The data server on th

Difference What is the difference between a post and a get when a form is submitted? Solution Idea: The difference between the two needs to be submitted to the form before it can be seen, mainly in the way of data transmission and reception. Specific steps: Both post and get are optional values for form property method, and the default value of method

User uploads a.jpg file, the file content is actually PHP code, will there be security issues? If so, how to prevent? Reply content: User uploads a.jpg file, the file content is actually PHP code, will there be security issues? If so, how to prevent? Set MimeType There is