This article mainly introduces how to configure an IP segment under the win2008 IP security policy. Friends in need can refer to the subnet where you can specify a single IP address or an IPv4 or IPv6 address. To specify a subnet, enter the IP address using syntax similar to the following: 192.168.1.0/24 The number after the forward slash (/) represents the number of digits in the subnet mask. Possibly 32-bit. In this example, 24 means that the first three octets are the subnet address and the last octet is the host ID within the subnet. The bit representing the host ID must be 0. The corresponding subnet mask for this example is 255.255.255.0. For IPv6 addresses, use the same syntax. The number after the forward slash represents the number of bits in the subnet mask. Probably 128 bits. The bit representing the host ID must be 0. For example: 2001:8e6c:6456:1c99::/64 Attached below is the IP segment correspondence table Total IP Subnet Mask Number of C segments/304255.255.255.2521/64/298255.255.255.2481/32/2
1. Summary of the points to note about the security policy
Introduction: This article mainly introduces how to configure an IP segment under the win2008 IP security policy. It requires Friends can refer to the subnet where you can specify a single IP address or an IPv4 or IPv6 address. To specify a subnet, enter the IP address using syntax similar to the following: 192.168.1.0/24 The number after the forward slash (/) represents the number of digits in the subnet mask. Possibly 32-bit. In this example, 24 means that the first three octets are the subnet address and the last octet is the host ID within the subnet. Represents the host...
2. SpringMVC Learning Series (4) Data Binding-1
Introduction: In series (3) we introduced how a request is mapped to an action. The next step is of course how to obtain the data in the request, which leads to Let’s understand what this article is going to talk about—data binding. First, let’s take a look at the annotations for binding data: 1. @RequestParam, binds a single request data, which can be data in the URL, data submitted by the form or uploaded file; 2. @PathVariable, binds the URL template variable value ; 3.@CookieValue, binding cookie number
3. Java Virtual Machine Learning - Garbage Collector
Introduction: The Serial collector is a new generation collector, executed in a single thread, and uses a copy algorithm. It must suspend all other worker threads (user threads) while performing garbage collection. It is the default new generation collector in Jvm client mode. For an environment limited to a single CPU, the Serial collector has no thread interaction overhead, so it can naturally achieve the highest single-thread collection efficiency by focusing on garbage collection.
4. Demonstration to implement PHP file upload code_PHP tutorial
Introduction: Demonstration to implement PHP file upload code. PHP is still commonly used, and I believe everyone knows its benefits. I will show you a PHP file upload code. Let's take a look. Use the memory_limit variable to specify a single
5. How to determine whether the radio button is to be selected
Introduction: How Determine whether the radio button is selected
6. PHP development, please tell me how to solve the problem of shopping mall images
Introduction: PHP development, how do you solve the problem of shopping mall images? The situation is this. . . For a certain product in the mall, in the design of the front desk, the picture size is divided into four types, namely 1.small_pic, which is the smallest picture, used for placing orders, or displayed in the side column 2.list_pic, the picture displayed in the column list and home page list 3 .goods_show_pic, the picture used on the product display page, can be enlarged using js. The enlarged picture is the picture mentioned below, the original size picture 4. origi
##7. 200 points: What should I pay attention to for safety when making PayPal payments? ,Thank you
Introduction: 200 points: What should I pay attention to for safety when doing PayPal payment? Experts, thank you! I went to paypal to check, and his instructions became more and more confusing. I have a PayPal account, and then If the user wants to pay from my website, an order number will be generated every time. Finally, if the user successfully pays me, I want PayPal to return that order number to me. How can I do this? Then PayPal is willing to return information, which must be returned to a page of mine. How can I identify forged information on this page? ------Solution
Introduction: How to block the operation function of a page so that it can only be shown to others, but you can set the operation permission for a single person. My background activation permission is like this, enter the account Inside, give him access to a certain page, just put a check in the check box. If he can access that page, he can perform operations, such as modifying and deleting things inside. However, the superior leader requires that operations can only be done by certain people. , to prevent other people from modifying and other operations. How can I block this operation function? By default, they can only view it after entering, but cannot modify it, but it must be enabled for individual
##9. How to write a regular expression that does not match specified words
Introduction: How to write a regular expression that does not match specified words? It is better to say that there is "abc def ghi abcdef" in a string. It is specified here that it does not match the word abc. The other "def ghi abcdef" can match the /b(?!abc)w+b/ I wrote. . The only problem with this is that words starting with abc will not match. . This regular expression
10. How to cash out and generate monthly reports
Introduction: How to generate monthly reports products It is relatively fixed and simple. Now we need to calculate the monthly sales, views, commissions, settlement and other parameters of each product. When I got the requirements, I thought that each product would generate one data per month, so that it would be convenient to check anywhere, and there would be basically no calculation required for each query. Solution 1: Write a scheduled task and generate it once at the end of each month, but you still have to manage this scheduled task. Solution 2: Provide a button in the background, "Generate Bill". After clicking, the monthly bill before the current month is calculated
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