octa security

Article Title: security enhancement measures use Openssh to build a secure network. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 　　 Implementation steps: On each server 1. install the software package: Openssh-3.4pl-sol7-sparc-local Openssl-0.96d-sol7-sparc-local Zlib-1.1.4-sol7-sparc-local Prngd-0.0.25-sol7-sp

As a system administrator, it is very important to perform a comprehensive security check on the system on a regular basis. Recently, some friends wrote that some inexplicable problems have occurred, for example, the biggest problem is that the network service is obviously slow, which is very likely to be attacked. Practice has proved that the default installation is not safe for any system. In fact, no matter whether you use windows, Linux, bsd, or o

Visit some HTTPS websites, especially domestic websitesChinese tips:Unable to connect securelyFirefox cannot guarantee the security of your data on sx.ac.10086.cn because it uses SSLV3, a security protocol that is currently poorly secured.Professional information: ssl_error_unsupported_versionEnglish tips:Unable to Connect securelyFirefox cannot guarantee the safety of your data on XXXX because it uses SSLV

First, install Dede when the database table prefix, it is best to change, do not use the dedecms default prefix Dede_, can be changed to Ljs_, random an irregular, difficult to guess the prefix can be.Second, the background login must turn on the verification code function, the default admin admin Delete, changed to a dedicated, complex points of account, administrator password must be long, at least 8 bits, and the letters and numbers mixed.Third, install the program must delete the install dir

1. Do not rely on the Register global Variables feature (register_globals) Registering a global variable has made PHP very easy to use, but it also reduces security (which often breaks security). It is recommended that the Register_globals command be closed during programming and this function will be canceled in PHP6. 2. Initialize the variable before it is used. If the Register_globals feature is s

1. Do not rely on the Register global Variables feature (register_globals) Registering a global variable has made PHP very easy to use, but it also reduces security (which often breaks security). It is recommended that the Register_globals command be closed during programming and this function will be canceled in PHP6. 2. Initialize the variable before it is used. If the Register_globals feature is started,

Rule 1: do not trust external data or enter the security of Web application. The first thing you must be familiar with is that you should not trust external data. External data (outsidedata) contains no data directly imported by programmers in PHP code. Rule 1: Do not trust external data or import The first thing you must be familiar with about Web application security is that you should not trust external

Iot security: multiple security vulnerabilities in LED lights Recently, a foreign security expert found that Zengge's Wi-Fi LED lamp has multiple security vulnerabilities. ZENGGE is a high-tech company integrating LED Controller Product R D, manufacturing, sales and engineering design, installation and service. Wi-Fi

The first company to work for is a security company, adjacent to the famous beiyou University in the security field. Since then, I have learned a little about security. Although I leave the company, security is a software issue that must be considered. In addition, I am engaged in underlying development and need to stu

MSSQL Security Settings: delete SQL statements with security issues. This is comprehensive. Everything is safe! The permission to corrupt shell, registry, and COM components is deleted. Copy codeThe Code is as follows: use master EXEC sp_dropextendedproc 'xp _ export shell' EXEC sp_dropextendedproc 'SP _ OACreate' EXEC sp_dropextendedproc 'SP _ OADestroy' EXEC sp_dropextendedproc 'SP _ oageterrorinfo' EXEC

[Original] http://www.rainsts.net/article.asp? Id = 473 1. Security Methods This is achieved by setting the binding property security. Nettcpbinding binding = new nettcpbinding (); Binding. Security. mode = securitymode. Transport; Binding. Security. Transport. protectionlevel = system. net.

file Inclusion: refers to the page to use the URL to the dynamic inclusion of files (include or require, etc.), when the file name parameters controllable but also filter is not strict, it is easy to use. The file contains a vulnerability that is classified as a local file containing a vulnerability and a remote file contains a vulnerability because a remote file contains a vulnerability because the Allow_url_fopen option in the PHP configuration is turned on (after the option is enabled, the se

This article experiences the use of ASP. NET identity 2.0 to experience features related to user identity security: →install-package microsoft.aspnet.identity.samples-version 2.0.0-beta2-pre After installation, in App_start,controllers, Models, views and other places have added a number of files. There are 6 classes and an enumeration in App_start/identityconfig.cs: Applicationusermanager: Inherits from the generic base class UsermanagerApplicationr

WINDOWS XP System opens Security Center prompt: "Security Center" is not available now because its related services are not started or stopped. Please close this window and restart the computer (or start the Security Center service) and then open the Security Center again. Problem Analysis: This problem is us

MSSQL security settings to remove the SQL process with security issues. More comprehensive. Everything for safety! Delete the call shell, registry, COM component's corrupted permissions Copy Code code as follows: Use master EXEC sp_dropextendedproc ' xp_cmdshell ' EXEC sp_dropextendedproc ' sp_OACreate ' EXEC sp_dropextendedproc ' sp_OADestroy ' EXEC sp_dropextendedproc ' sp_OAGetErr

Original: SQL Server R2 Security Topic (i): Security principlesThis series is mainly focused on SQL Server 2005 after the DBMS, because I work with the R2, so now for the R2 to explain:On the principle of protecting SQL Server security: Principle of least privilege CIA Triangle Deep protection First, the principle of least privilege:Gran

Reading Unix programming-related books will list a lot of functions to ensure signal security when talking about signals. Some functions that do not guarantee thread security will also be provided during thread presentation. Do you need to write them all down? I think it's not necessary or scientific. If you don't understand it, you may write an insecure function and use it in signal processing or multi-thr

This article introduces the security of Linux. It may not matter if many people do not know about the Linux system. After reading this article, you must have learned a lot. I hope this article will teach you more things. Many people know that Linux is more secure than Microsoft Windows. But why? Is this argument true? But few people can answer this question. To clarify this issue, we must first define "security