Summary:
In this article, we will discuss how to deploy the smoothwall proxy server in a typical campus network environment.
This section mainly discusses how to configure Static Routing in multiple VLANs (because of other problems such as localization, update, Port Mirroring, and Backflow ).
I have already demonstrated the situation clearly)
Campus Network Topology
Smoothwall Configuration:InternetIp: 202.
is a series of internet security products designed to protect your users and networks from external attacks. Smoothwall Express is based on the Linux operating system. Linux is an ideal choice for security systems. It is trustworthy, secure, highly customizable, and free to obtain its open source code. Smoothwall cont
networks from external attacks. SmoothWall Express is based on the Linux operating system. Linux is an ideal choice for security systems. It is trustworthy, secure, highly customizable, and free to obtain its open source code. SmoothWall contains a set of reinforced GNU/Linux
Today, open source firewalls are a vast number. This article will cover 10 of the most practical open source firewalls that fit your business needs.
1. Iptables
Iptables/netfilter is the most popular command line based on firewalls. It is the safe line of defense for Linux servers. Many system administrators use it to fine-tune the server. The effect is to filter packets in the network stack in the kernel, features include: listing the contents of a
Today, open source firewalls are a vast number. This article will cover 10 of the most practical open source firewalls that fit your business needs.
1. Iptables
Iptables/netfilter is the most popular command line based on firewalls. It is the safe line of defense for Linux servers. Many system administrators use it to fine-tune the server. The effect is to filter packets in the network stack in the kernel, features include: listing the contents of a
environment or adjust it to a specific application.
With years of development, Linux has become a complete set of categories and a wide variety, including operating system components and various application software. Next we will focus on the Firewall Application Linux-IPCop and m0n0wall; a Linux SAN/NAS device-OpenFiler; two Ubuntu Studio and Musix for music ap
Article Title: 13 special releases worth considering for Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
InfoWorld discusses 13 specialized releases in two parts, each of which is created for a specific environment, su
, FD Linux, LRP (Linux router project Linux Route Project), fli4l, freecso, coyote Linux, smoothwall, etc, these things share a common feature. They are all based on Linux. Some of them can run on a floppy disk, with excellent per
Last month's ranking list of free operating system Linux-general Linux technology-Linux technology and application information. The following is a detailed description. Data from distrowatch.com
FreeBSD is also widely used, almost the same as CentOS.
Although we do not want MS to run rampant in the world, we do not want Linux
Linux services)It is important for Linux users. Disabling unnecessary services can make Linux run more efficiently, but not all Linux services can be disabled. After installing centos Linux today, we found that many services were started when
Linux-(2) Basic file operations in Linux, linux-linux
In linux, everything is files, directories are files, and hardware is files. Therefore, basic file operations are especially important.
1. List the contents of the directory:
Ls
Parameters:
-A: displays all files (includ
Logout Exit SystemGedit Text Editor ToolsUname–r View kernel version information, uname–a more detailsCat/proc/cpuinfo viewing CPUsCat/proc/meminfo Viewing memoryHostname Viewing host namesIfconfig eth0 view eth0 IP AddressAlias ls= ' ls–ll ' setting aliasesTo view the path of the current terminal: TTYView current Shell:echo $SHELLAll Shell:cat/etc/shells under the current systemView CentOS System hostname Format: Echo $PS 1Distinguish internal or external commands: Type CDWhich find the locatio
.
As we all know,linux system everything is a file, so each process has its file descriptor, The Nginx process writes its own file descriptor to the Nginx.pid, and we need to tell Nginx to reopen a new log file (the configuration details of the log file can be seen here, simply by letting the log record what. So we need this directive:kill -USR1 `cat ${pid_path}`This instruction means: first cat to Nginx PID, is an integer, and then send the signal
Becoming a Senior Programmer proficient in Linux programming has always been the goal of many friends. According to statistics from chinacache, the monthly salary of Linux programmers in Beijing is 1.8 times that of Windows programmers, 2.6 times that of Java programmers, and 2.9 times that of Windows programmers. At the same time, the data shows that with the increase of work experience, the income gap bet
After this period of time to learn, I also have a certain understanding of Linux, today this blog on the previous knowledge of a summary it.The previous Linux learning blog, from the top down is learning in-depth process, my blog link is as follows:First: Analysis of the Linux operating system how the computer starts and how it operatesChapter Two: Analysis of
1.The number of files in/usr/include/Linux and/usr/src/Linux/include/Linux is notThe number of folders varies. For example, the/usr/include/Linux does not have the mosules folder, while the/usr/src/Linux/include/LinuxThis folder is available.
/Usr/src/
This series of articles summarizes Linux network stacks, including:(1) Linux Network protocol Stack Summary(2) Network multipart offload technology Gso/tso/ufo/lro/gro in non-virtualized Linux environment(3) QEMU/KVM Network multipart offload technology in virtualized Linux environment Gso/tso/ufo/lro/gro1.
Document directory
I. Linux operating system source
Ii. Basic Linux knowledge
Iii. Introduction to C Programming in Linux
This article is original and must be reproduced with the following source:Http://blog.csdn.net/qinjuning
Starting from today, I made up my mind to step into the Linux Hall step by step. Wh
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