Dport and sport in iptables first translate dport and sport meaning: dport: Destination Port sport: Source Port beginner iptables is easy to confuse, but I try to explain it to you in plain language. Dport and sport are literally easy to understand. One is the destination port for data arrival and the other is the port
1313. Some words about sporttime limit: 0.5 second
Memory limit: 16 MB
Ural doctors worry about the health of their youth very much. Special Investors showed that a lot of clever students instead of playing football, skating
Or bicycling had particle ipated in something like programming Olympus. Moreover, they call it sports programming! To sit near the monitor and think during 5 hours a day-is it a sport? To do it two times per year during the contes
Analysis of dport and sport in iptables
First, let's talk about the concepts of dport and sport:
Dport -------- destination port
Sport -------- Source Port
It is important to note that it is related to the flow behavior of our data packets, that is, the INPUT or OUTPUT.
For example, iptables-a input-p tcp -- dport 80-j ACCEPT here is the INPUT parameter,
Analysis of dport and sport and iptablesdport in iptables
First, let's talk about the concepts of dport and sport:
Dport -------- destination port
Sport -------- Source Port
It is important to note that it is related to the flow behavior of our data packets, that is, the INPUT or OUTPUT.
For example, iptables-a input-p tcp -- dport 80-j ACCEPT here is the INPUT
()Getvisibleorigin (); -width_l =origin.x; -Width_r = origin.x +Visiblesize.width; the -Ball =drawnode::create (); -Ball--Drawdot (VEC2 (0,0),4, color4f (1.0f,1.0f,1.0f,1.0f)); - + addChild (ball); -Ball--SetPosition (origin.x + visiblesize.width/2, ORIGIN.Y + visiblesize.height/2); + A //action-related motion we are generally not used to do game games, generally used to make the game change effect. Because the action is not very good to show the effect of the game at //dot-r
As a result, if I did not dance in the evening after work, I went swimming in the company's swimming pool. I finally went swimming with my father in the nearby Yucheng gongshu swimming pool. I have been swimming frog for a long time, and I have also used it to swim through sun and moon pools. But in reality, I do not like swimming very much because swimming is a kind of human activity, compared with those sports of the ball, it is really boring. I will go swimming again recently. First, I want t
This article consists of the following four sections:Download Dell OMEInstalling the Dell OMEConfiguring the Dell OMEConfiguring IDRAC
Download Dell OMETake Dell PowerEdge R730xd as an example1. Sign in to Dell's official website http://www.dell.com.cn/
Nagios monitors dell server hardware and nagios monitors dell
We have mentioned earlier that omsa is used to monitor dell servers, but it must be accessed through web. This time we use nagios + check_openmanage to monitor the hardware of dell servers.
First, let's look at the figure below:
We can see that there are tw
1. How to Use Dell DataSafe Local Backup to create system recovery mediaDell DataSafe Local Backup is a secure, simple, and highly reliable Local Backup and recovery solution that helps Dell Computer users avoid software faults and hard disk damages.The latest factory Dell Computer, such as Dell Alienware M11x, has bee
The first time I installed Dell Ome and Dell Omsa, I struggled for a long time because I didn't understand, so I felt very troublesome.After some torture, the installation was finally successful.So record the installation process, hoping to help the needy friends.One. To install the Dell OMSA steps:1. Install NET-SNMP//Install the NET-SNMP before installing
BIOS setup for Dell Dell computer from USB disk or CD Boot step:
One: Fast start U disk or CD-ROM method:
1, turn on Dell Dell Computer, when entering the logo screen, immediately press the F12 key above the keyboard, you can go to the shortcut launch menu.
2, enter the shortcut to start the menu, the ch
Biography of Dell Carnegie card, [US] Dell Carnegie card
The following is my book excerpt:
* At this time, Carnegie card is writing a book. This book is called Lincoln rumor. When he conceived the book, on the one hand, he was in the worship of Lincoln, on the other hand, because he hated everything in his family. He found that Lincoln's family life is so similar to his family life. Although he wrote Linco
Tags: Dell Dell Server Installation System Linux7.2 Linuxfirst, the preparation tool1. A notebook computer2. One cable3.linux7.2 64-bit image file in one copySecond, the idea1. Login to the Admin interface to open the virtual control2. Import and mount the image file3. Create a new Raidcipanzheng disk array4. Set installation options, select the installation environment and the software that needs to be ins
Server installed Windows is really troublesome, found a good article, illustrated, reprinted beginning
Note: booting and installing the server system with the Dosa CD will cause all the data on your server's hard disk to be lost, so this method is only for server installations with new servers and confirmed data backups
This installation only supports retail version of the operating system, if it is pirated discs, such as the common WINDOWS2003 3in1 version is not available (
Dell Dell Server R510 more than 2T how to install Windows operating system single partition over 2TBackground: The company's data volume is too large, ready to buy a hard disk to build a storage server, bought 6 2T of SAS hard disk. Build RAID5, install windows2008 R2 operating system.Note: Due to the general installation of the Windows operating system, the default partition is MBR, this mode can only supp
Dell Systems Build and Update Utility
The Dell system build and update utility is a bootable utility for single server operating system installations, preloaded operating system firmware updates, and preloaded operating system configuration.
Patches and enhancements
Enhancements: Added support for the following operating systems:-VMware ESX 4.0 u3-vmware ESX 4.1 u1-vmware ESXi 4.1 u1-vmware ESXi 4.0Xen S
First you plug the USB boot disk into the Dell notebook interface, and then you can set up the Dell notebook USB drive with the following two ways.
Method one, traditional law
Set up the computer USB disk boot, the traditional way is to enter the computer BIOS settings, and then enter the boot startup settings, then the USB device as the first boot, and then save, the following is the specific steps:
1,
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