Network Firewall should not be a stumbling block to intranet mutual access

Recently, Jelly received "complaints" from several colleagues who reported that they could not access the shared folder of strawberries through their network neighbors. Jelly tried it on their computer. However, access to other computers on a

Nine technical measures for Intranet Communication Security

Intranet is a major component of network applications, and its security has been paid more and more attention. According to incomplete statistics, 15% of the investment in building an intranet outside China is used to enhance the network security of

Ten moves to improve security comprehensively consolidate the enterprise's Intranet

Almost all enterprises have paid more attention to network security. They have successively purchased firewalls and other devices to block security factors from the Internet. However, Intranet attacks and intrusions are still rampant. Facts have

Concept and usage of IPtables in Linux Firewall

A typical firewall configuration includes two NICs, One inbound and the other outbound. Iptables reads the headers of inbound and outbound packets, compares them with the planning set, and forwards acceptable packets from one network adapter to

Dynamic iptables firewall dynfw

Firewall is a very important network security tool, but how do you implement it when you need to quickly and complex dynamic modification of firewall rules? If you use the dynamic firewall script of Daniel Robbins described in this article, this

Linux security tips (2) (1)

After the above work is complete, we will install the software package. In general, Linux can provide powerful services, but these services are not all necessary, and some may cause security risks. We only need the necessary items, that is, the

Word security techniques essential for applications (1)

Office is a common Office software, and its skills are also endless. However, many skills are not systematically classified. Here, I am eager to hear what you think, I have developed a complete set of Office practical skills, which are small and

A Preliminary Study on the Profile permission Control System of Solaris

Commands such as pfexec of Solaris are strange. I didn't understand how to use them. I checked that it was a new permission management system that could control user permissions in a more fine-grained manner.One of the main reasons for its

Use vftpd to set up a virtual Secure FTP Server

We all know that the password verification on the FTP server is based on the plaintext, so it is easy to sniff. The virtual FTP server introduced in this article adopts the chroot method. Although it cannot prevent password sniffing, it can protect

Windows protection for Linux systems

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

How to make your Linux operating system more secure (1)

As we all know, Linux has more advantages than Windows in terms of security. However, no matter which Linux release version you choose, you should make necessary configurations after installation to enhance its security. The following describes how

How to Use the SRP service to build an FTP server in Linux (lower) (1)

3. Establish an index password system EPS EPS Full name: Exponential Password System index Password System), the SRP package contains the source code of the EPS. 1. Install the PAM module PAM introduction: PAM Full name: Pluggable Authentication

The new encryption technology removes the need to record passwords

Sometimes we often feel a big headache for forgetting important passwords, and the arrival of this new technology makes us no longer have to worry about it. This is a new security technology: Neurosecurity, which combines cryptography and

Ultimate linux password cracking (1)

I have been writing articles related to linux for a long time. As a pseudo-technology developed by O & M personnel, I think linux is a future trend. Therefore, the first step of linux Password security is crucial, this article describes the linux

Brute-force database intrusion OBLOG!

After work, I went to my friend's website and looked at it. Websites are mobile and easy to modify and beautify, and almost all are static htm files. Take a closer look. The website has a "blog Center" more than a few days ago. After you click it,

Test and Analysis of phparticle 2.0 Injection Vulnerability

Phparticle is the best article System in PHP. It seems that it has not yet been hacked. I used to read the code in this article system when I was studying PHP. It feels very similar to VBB, I have also carefully analyzed that there are no

Security Application Software or open source Microsoft (1)

The openness of the Internet makes Web systems face the threat of intrusion attacks, and building a secure Web system has always been the goal of people. A practical method is to establish a relatively easy-to-implement relatively secure system and

One-stop Web Application Security Solution

Bkjia.com integrated message: WEB security has undoubtedly become a hot topic in the information security field. On the one hand, it confirms the vigorous development of the Internet, and on the other hand, it reveals that WEB security problems

Web application attack and defense (1)

Bkjia.com exclusive translator] Do you want to beat hackers in person? Okay, no problem. First, you need to know how hackers are looking for security vulnerabilities, and second, how hackers are exploiting Web application vulnerabilities, the last

WAF for Web applications and WAF

Features of Web Application Firewall Some common features of Web application firewall are as follows. 1. exception detection protocol WAF detects exceptions in HTTP requests and rejects requests that do not comply with HTTP standards. In addition,

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