Cloud Security

To study Linux security, you must first install the LINUX system securely.1. Secure installation of Linux servers. Here we assume that you already know your server hardware)First, create a boot disk and boot Linux. Before that, I suggest you

1. Abolish all default accounts and passwords of the system.2. Do not display company headers, online help, or other information before your legality is verified.3. Abolish the network services that hackers can attack the system.4. Use a 6-to

At that time, I did this experiment to attend the student academic forum held by the College. The article is a bit long. Please give your valuable comments.Test the IDS in LinuxIDSInstrusion Detection System), the intrusion Detection System that we

/Proc/sys network security option Adjustment· Making the system unresponsive to ping· Making the system unresponsive to broadcast· Cancel IP source routing· Enable tcp syn Cookie Protection· Cancel ICMP acceptance of Redirect· Enable error message

Windows XP Professional Edition allows connections of up to 10 clients. This connection restriction does not exist in Windows 2000 Server Edition or Windows 2003 Server Edition. the IIS they use is basically the same. There is certainly a way to

What will happen if the OS Patch Is Not Installed in time? The shock wave and shock wave must have been learned by everyone. Therefore, timely updates of operating system vulnerability patches have become the main means to improve system

Most of the time, we will find that our system has more and more problems. If we use it, the system will certainly not run very efficiently, or even cannot run normally. If we choose to reinstall the system, it will not be difficult to say, it also

Linux is a Unix-like operating system. Theoretically, the design of Unix itself has no major security defects. For many years, the vast majority of security problems found on Unix operating systems mainly exist in individual programs. Therefore,

Security DefinitionSecurity is an important topic in today's IT headlines. Common system vulnerabilities, security patches, and viruses and worms are familiar to everyone who uses computers. Because almost every computer system is connected to

1. Use an emergency disk group for maintenanceAn emergency disk group (also known as the boot/root disk group) is an essential tool for system administrators. It can be used to independently start and run a complete Linux system. In fact, there is a

Computers on the network can be easily scanned by hackers using tools or other means to find vulnerabilities in the system and then attack the vulnerabilities.By disguising the Linux system and setting system illusion for hackers, hackers can

I. System PlatformRedhat9.0 release, install gcc and related library files, it is recommended not to installApache, PHP, and MySQL are compiled and installed using the source code. Security-basedYou can set iptables to allow only SSH and WWW

Project IntroductionAt present, the main FTPserver has three vsftpd and ProFTPd, among which wu-ftpd has high security and better performance. No detailed adjustments have been made. Incorrect adjustments are also possible and can be corrected at

Old Linux administrators know the SSH Secure shell Protocol), which is the most convenient and useful tool in their software toolbox. In the workstation X Windows environment, you can use multi-terminal competition or use Screen utility, Linux

When talking about a complex permission control with a friend yesterday, I mentioned that I could try ufs2 acl. When I published the 5.0 feature, I was first interested in the various features of ufs2, especially the acl. However, it turns out that

Most people think that linux does not have to worry about viruses. I am no exception, but recently I have seen many friends installing firewalls and anti-virus software on the forum, so I have installed AntiVir myself. Now I will share my

LIDS (Linux Intrusion Detection System) is a Linux kernel patch and system management employee lidsadm. It enhances the Linux kernel. It implements a security mode in the kernel-reference mode and the Mandatory Access Control command in the kernel

From time to time, we can see such headlines: "A company has lost personal social security codes of over 10 million customers, other personal sensitive information, and financial data! Shouldn't we be angry ?" Usually it's a "contractor" who pays

Website Trojan Prevention Measures After learning about the main causes of website Trojans, we can develop corresponding preventive measures to prevent website Trojans. The following points should be noted: 1. Website Server Management Install

1. Introduction With the rapid development of computer network technology, people's life has been greatly changed and social development has been promoted. The Internet is an open system oriented to the public, and the security of information