ip segment calculator

Share the PHP implementation of the IP access restrictions of two pieces of code, divided into a limited number of single IP access and restrict access to the IP segment of the two code, the need for a friend reference. Add IP Access Restrictions

Common linux practicesIptables reference rules The code is as follows:Copy code Iptables-I INPUT-p tcp-dport 80-m-mac-soruce $ MAC-j DROPIptables-I INPUT-p tcp-dport 80-s $ IP-j DROP IP address-based Method 1,First, create the following configuration file and place it under the nginx conf directory, and name it blocksip. conf:Add the following code: The code is as follows:Copy code # Shielding soso

How to make the VMware IP on the same network segment as the native IPoriginal May 08, 2017 17:28:56 1287 First verify that the native IPYou can see the information:Native ip:192.168.1.162Gateway: 192.168.1.1DNS server: 192.168.1.1There are two types of virtual machine network adapters: VMnet1 and VMnet8. View Virtual Machine network adapter

This article describes the PHP ban on an IP or IP address section of the method of access to share for everyone to reference. The specific analysis is as follows: Because I haven't studied Apache and Nginx, I've written a small program that can disable the address in PHP.Only when used: Can Disable individual IP as follows: Ban.dat files are a

PHP restricts IP segment access, prevents IP from submitting the form's code Recently, the small series found that there is a Yunnan netizen often in help the home to publish some rubbish information comment, because www.bkjia.com system dedecms frame, systems itself does not prohibit the IP function, every day see th

If in our VPS, the server needs to be for an IP or an IP segment shielding, directly can be added in the Nginx and Apache rules, such use is often useful, such as not to allow a User IP address access or spider crawling information, or even some collection, mirror IP address

(allow2 (2)> cint (ipstr (2) then Checkip = true Endif Endfunction %> Add the following code to your ASP page to test the effect:Copy codeThe Code is as follows: 'The set of blocked IP addresses (segments). The asterisk is a wildcard and is usually stored in the configuration file.Const BadIPGroup = "192.168.1. * | 202. 68. *. * | *. 12.55.34 | 185. *. 96.24 | 127. *. 0.1 | 192.168.0.1"If IsForbidIP (BadIPGroup) = True ThenResponse. Write (GetIP "Ac

PHP prohibits an IP or IP address segment access method, Phpip The example of this article describes the PHP block IP or IP address segment access method, shared for everyone for reference. The specific analysis is as follows: Be

Private voidButton1_Click (Objectsender, EventArgs e) { stringStartIP =""; stringEndIP =""; StartIP=Startinput.text; EndIP=Endinput.text; UINTIstartip =Iptint (StartIP); UINTIendip =Iptint (ENDIP); //string ip_result= ""; StringBuilder ip_result=NewStringBuilder (); if(Iendip >=Istartip) { for(UINTip = istartip; IP ) {Ip_result. Append (Inttip (IP)). Append ("\ r \ n"); //Ip_r

(getenv ('http _ CLIENT_IP ') strcasecmp (getenv ('http _ CLIENT_IP'), 'Unknown ')){ $ Userip = getenv ('http _ CLIENT_IP '); } Elseif (getenv ('http _ X_FORWARDED_FOR ') strcasecmp (getenv ('http _ X_FORWARDED_FOR'), 'Unknown ')){ $ Userip = getenv ('http _ X_FORWARDED_FOR '); } Elseif (getenv ('remote _ ADDR ') strcasecmp (getenv ('remote _ ADDR'), 'Unknown ')){ $ Userip = getenv ('remote _ ADDR '); } Elseif (isset ($ _ SERVER ['remote _ ADDR ']) $ _ SERVER ['remote _ ADDR '] strcasecmp

Recently the company's website is frequently accessed by competitors with crawlers, so we have to prohibit these crawler access, we can through the Nginx command to achieveMethod One: The IP is sealed directly on the LB machine1. Add the IP or IP port to be shielded in the blocksip.conf file$ sudo vim/etc/nginx/blocksip.confdeny 180.168.74.26;deny 91.212.45.0/24;

Gateway650) this.width=650; "Src=" Http://www.imfirewall.com/blog/zb_users/upload/2017/06/201706231498204647476469.png " Style= "width:900px;" title= "201706231498204647476469.png" alt= "201706231498204647476469.png" width= "vspace=" 0 "border=" 0 "/>650) this.width=650; "Src=" Http://www.imfirewall.com/blog/zb_users/upload/2017/06/201706231498204647112447.png " Style= "width:900px;" title= "201706231498204647112447.png" alt= "201706231498204647112447.png" width= "vspace=" 0 "border=" 0 "/>The

address is the same, the network interface will be automatically down, that is, onboot = No.[Root @ test network-Scripts] # service network restart// After the configuration is complete, restart the network service to connect to the new network segment.[Root @ test network-Scripts] # route-nKernel IP routing tableDestination gateway genmask flags metric ref useIface172.16.1.0 0.0.0.0 255.255.255.0 u 0 0 0E