how to prevent dns attacks

it. 3. Do not nest background pages orCode If the front-end page is nested in the background, attackers can directly use tools to know which files are stored in the background, and background files may be exposed to attackers, leaving attackers with a chance. 4. Add verification code to each page After Attackers know the background page, they can directly write the access path in the address and cannot enter The above are some summaries I have made in combination with our system. In our sy

! Npptools. after changing the properties of the dll file to read-only and hidden, remove their everyone permissions. The virus cannot be replaced or used, and arp won't work, to prevent ARP attacks. If drive C is in the NTFS partition format, all permissions are removed. If drive C is in the FAT format, read-only access is required. Method 2 gateway binding method 1. After a remote connection is successful

injection attacks, pay attention to the following issues:1. Check the content of the entered SQL statement. If it contains sensitive characters, delete sensitive characters, including ', >,2. Do not create a WHERE clause during user input. You should use parameters to use stored procedures.Prevent SQL injection attacks:(1) Compile a function to filter sensitive characters. The function is as follows:Change

to:prevent cross-site Scripting in ASP.http://msdn2.microsoft.com/en-us/library/ms998274.aspxRecommend you read Microsoft about. NET security in a series of articles:http://msdn2.microsoft.com/en-us/library/ms978512.aspxFor cross-site scripting attacks, refer to:Wikipedia wiki Encyclopediahttp://en.wikipedia.org/wiki/Cross_site_scriptingXfocushttp://www.xfocus.org/articles/200607/874.htmlGoogleHttp://www.google.com/search?q=%E8%B7%A8%E7%AB%99%E8%84%9

Many domestic forums have cross-site scripting (XSS) vulnerabilities. many such cases have occurred in foreign countries or even Google (or Google), but they were fixed in early December. (Editor's note: for cross-site scripting attacks, refer to "XSS cross-site scripting attack details"). Cross-site attack (very) is easy to (on) can be constructed, and very concealed, not easy to detect (usually steal information after "> Many domestic forums have cr

When the apache site is under severe cc attacks, we can use iptables to prevent CC attacks on the web server and automatically shield the IP address. 1. System Requirements (1) LINUX kernel version: 2.6.9-42ELsmp or 2.6.9-55 ELsmp (Other kernel versions need to re-compile the kernel, Which is troublesome, but can also be implemented ).(2) iptables version: 1.3.7

Using system defects for various intrusions has always been an important way for hackers. Especially for family users with low awareness, hackers are more likely to gain access, readers who know about computer networks know that Ping commands are often used to check whether the network is smooth. However, this command can also cause serious consequences for Windows systems, namely Ping intrusion, or ICMP attacks. The ICMP protocol controls message err

bound, such as ftp, then add the record. Note: 192.168.1.1 here is your gateway address, 00: 07: E9: xx is your gateway mac address. Note: The MAC address formats on Linux and Widows are different. Linux: AA, Windows: AA-AA. Note: You need to re-bind the mac address after each machine restart. You can write an automatic script and add it to the self-starting project. In addition, binding mac addresses requires two-way binding: machine a is bound to machine B, and machine B is also bound to

This article provides php emergency code to prevent website attacks. This is definitely not the best solution. I just want to provide it to you for further discussion. Not long ago, a website was attacked and the database was flushed away. Fortunately, there was a database backup on the customer's machine. When encountering such a serious problem, you must promptly identify the vulnerability to

This article provides php emergency code to prevent website attacks. this is definitely not the best solution. I just want to provide it to you for further discussion. Not long ago, a website was attacked and the database was flushed away. Fortunately, there was a database backup on the customer's machine. When encountering such a serious problem, you must promptly identify the vulnerability to

XSS attacks in the recent very popular, often in a piece of code accidentally will be put on the code of XSS attack, see someone abroad written function, I also stole lazy, quietly posted up ...The original text reads as follows: The goal of this function was to being a generic function that can being used to parse almost any input and render it XSS s Afe. For more information on actual XSS attacks