Shulou(Shulou.com)05/31 Report--

This article mainly introduces "what are the dangers and remedies faced by the SQL server". In the daily operation, I believe that many people have doubts about the dangers and remedies faced by the SQL server. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods, hoping to help you answer the doubts about "what are the dangers and remedies facing the SQL server?" Next, please follow the editor to study!

Danger: no security vulnerability scan has been performed.

Consequence: the loopholes in the operating system and network programs are discovered by hackers, involving the database to be breached.

Remedy: always keep up-to-date security patches and scan with security vulnerability assessment tools on a regular basis.

Danger: enumerate SQL server parsing service.

Consequence: attackers can get database information or carry out cache overflow attacks, and SQLPing can work even if the database instance does not listen on the default port.

Remedy: filter access requests for unauthenticated IP.

Danger: weak SA password or no password set.

Consequence: hackers enter the database by cracking passwords.

Remedy: set a strong password and do not leave any database accounts with empty passwords.

Danger: the WEB program that connects to the database does not filter SQL injection.

Consequence: hackers inject SQL instructions into normal data and submit them to the server

Remedy: validate and filter the data sent by the browser and cannot be submitted directly to the database.

Danger: Google hacks.

Consequence: hackers use search engines to find SQL error pages of WEB programs, find information, vulnerabilities and even see passwords directly.

Remedy: catch your error and don't let the program print the error message to a public page, but write it to Log.

At this point, the study of "what are the dangers and remedies faced by the SQL server" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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