what file security

Selinux command set sorting summary 1. related command set: sestatusgetenforcesetenforce0/1id/ls/ps-Z view object chon [OPTION] CONTEXTFILES/chon [OPTIONS] -- referenceREF_FILESFILES-f forced execution... selinux command set summary 1. related

To Download php files, we need to use the header function to send the relevant information to the client browser, and then use the filesize function to read the file size and perform the download operation. let's take a look at the relevant examples.

A lot of people might be wondering what the SID of Windows is, what's the use of it, and what's the impact on us?With these questions, let's solve these problems slowly.What the SID is:The SID, also known as the security Identifiers, is the unique

Php needs to disable some dangerous functions. I would like to share with my friends in the php environment that some dangerous functions need to be disabled in php. my friends can disable unused function functions based on their own needs. Phpinfo (

PDF file Security Although better, but as a reference to the PDF file let us headache, a useful study or work information is actually a PDF format, then this is not a chicken, can only watch and can't edit, small series today to solve the problem of

39. Scheduled Tasks and log view(1) Linux executes at 6 a.m. every Friday.# CRONTAB-E* * * * * * #分 days and weeks0 6 * * 5 touch/mnt/file(2) Common log650) this.width=650; "Src="

Combat: Create a file that cannot be deleted by rootSummary: View and modify the lowest (kernel level) properties of a Linux fileCommand: Lsattr, chattrLinux files, in addition to the basic permissions rwx, and special permissions (SUID, SGID, Sbit (

Previously, Git's core features game archived local version management was introduced. This will introduce the remaining two core features of git: branching and remote repositories .1.Git Game Archive Evolution version--git BranchThe idea of git

A typical application of MD5 is to generate an informational digest (message-digest) of a piece of information (message) to prevent tampering. For example, there are a lot of software under Unix that have a file name with the same filename and file

When playing Linux, some files can not be modified and deleted with root permission, what is the reason? Most of this is because the CHATTR command has been used to lock the file. chattr command can modify the file advanced properties, which can

Frequent file management operations of friends, not satisfied with the Windows system built-in replication features, because it is too fast. So you use software like FastCopy and teracopy to speed up replication, but do you know that Windows 7 has

One, the characteristics of gitSpeed (Git is written in C.) is generally submitted to local) simple Designstrong supports for non-linear development (thousands of parallel branches) (strong support for non-linear development) Fully Dist ributed

To achieve file sharing, the file system must provide file protection, which provides measures to protect file security. The protection of the file system is mainly to prevent unauthorized users from destroying and attacking the file.The protection

The Set_error_handler () function sets the user-defined error-handling function. This function is used to create the user's own error handling method during runtime. The function returns the old error handler and returns null if it fails. Let's

Explanation of PHP dangerous functions. Source: PHP parsing support in CLI mode cannot be compiled and generated when php is compiled on the east to 'sblog. You can use-disable-cli during compilation. Once edited from: East to's BLOG During PHP

Who can tell me how php can obtain the zip resource from the zip package submitted in flash ?, Phpsso_server \ phpcms \ modules \ phpsso \ classes \ phpsso. class. php 46th Line $ this-& gt; dat about how to implement the phpcms Avatar Upload expert

: This article mainly introduces any type of nginx + php (. py), which is interpreted as the php configuration method. if you are interested in the PHP Tutorial, refer to it. Take the. py file as an example 1. configure location in ngxin. conf

This article mainly introduces how to determine whether a file has been uploaded by uploading php files. in addition to determining whether an uploaded file exists, it also analyzes the file security in depth, it is a very practical technique. if

The chattr command is very useful. some of the functions are supported by the Linux kernel version. if the Linux kernel version is earlier than 2.2, many functions cannot be implemented. Similarly, if-D is used to check the wrong function in the

You can add and hide permissions to files with special requirements (such as server logs. These hidden permissions include: Appendonly (a), compressed (c), nodump (d), immutable (I), datajournalling (j), securedeletion (s... You can add and hide