ip-address

How to detect if two Golang net.IPNet objects intersect?

假装没事ソ 提交于 2019-12-22 07:51:40
问题 How to detect if there is intersection between two Golang net.IPNet objects? That is, how to check both if the first network is subnet of the second one OR if the second network is subnet of the first one. Does Go provide any utility function ready for this specific task? See test code below. package main import ( "fmt" "net" ) func main() { _, net1, _ := net.ParseCIDR("1.1.1.1/24") _, net2, _ := net.ParseCIDR("1.1.0.2/16") _, net3, _ := net.ParseCIDR("1.1.1.3/25") _, net4, _ := net.ParseCIDR

Get IP address using Action Script?

淺唱寂寞╮ 提交于 2019-12-22 06:31:45
问题 Is it possible to get client IP address through Flash (swf) Action Script 3 and then pass it to php file to store it in database? 回答1: No need to do it in flash, just do it on your server in php "$ip=@$REMOTE_ADDR;" 回答2: No, the client IP address is not available in ActionScript 3. The recommended approach is to have it reflected by server-side code. See http://www.actionscript.org/forums/showthread.php3?s=&threadid=20123 回答3: function GetUserIP() { var js="function get_userIP(){return java

Get IP address using Action Script?

可紊 提交于 2019-12-22 06:31:02
问题 Is it possible to get client IP address through Flash (swf) Action Script 3 and then pass it to php file to store it in database? 回答1: No need to do it in flash, just do it on your server in php "$ip=@$REMOTE_ADDR;" 回答2: No, the client IP address is not available in ActionScript 3. The recommended approach is to have it reflected by server-side code. See http://www.actionscript.org/forums/showthread.php3?s=&threadid=20123 回答3: function GetUserIP() { var js="function get_userIP(){return java

What dictates the formatting of IPv6 addresses by System.Net.IPAddress.ToString()?

二次信任 提交于 2019-12-22 05:54:12
问题 The builtin .Net method System.Net.IPAddress.ToString() behaves inconsistently for IPv6 addresses. Given the byte array 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA , in some environments "aaaa:aaaa:aaaa:aaaa:aaaa:aaaa:aaaa:aaaa" is returned, whereas others return "aaaa:aaaa:aaaa:aaaa:aaaa:aaaa:172.172.172.172" . I understand that both are valid IPv6 formats, but I would like to be able to explain the difference. It seems that newer environments (Windows 7 and Server 2008 R2) are more likely to produce

Given a list of IP address, how do you find min, max?

懵懂的女人 提交于 2019-12-22 05:36:19
问题 In Java, i have an arrayList of ip address. how do i find the min and max ? I have used the Collection.min() but it doesnt work given a case like : 192.168.0.1 <--min 192.168.0.250 192.168.0.9 <--max how do i return 192.168.0.1 <--min 192.168.0.250 <--max instead? ArrayList is retrieve from the database. I would need to do this operation per tick (each tick is at 5 sec interval). The number of IP address would hit a max of probably 300. 回答1: Convert the IP address into a long integer, then

How to resolve hostname to an ip address in node js

有些话、适合烂在心里 提交于 2019-12-22 04:38:06
问题 I need to resolve hostname defined in hosts file to its corresponding IP address. For example my host file look like this - "/etc/hosts" 127.0.0.1 ggns2dss81 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 192.168.253.8 abcdserver 192.168.253.20 testwsserver Now in my node.js , i can read content of this file, but i need to fetch for given hostname . hostname = "testwsserver" hostIP = getIP(hostname); console.log(hostIP); // This should print 192.168.253.20 PS - npm pkg

Finding IP address of client connected through a proxy

[亡魂溺海] 提交于 2019-12-22 04:34:16
问题 Is there a way to collect the IP address of a client connected to your website through a proxy server? The entire setup is an internal LAN and through the sysadmin, I have control over the proxy machine as well. I am using PHP5 for the website server side. I tried $_SERVER['REMOTE_ADDR'] in PHP but this variable just stores the IP address of the proxy. Any ideas? 回答1: The standard solution (in php) is: if ($_SERVER['HTTP_X_FORWARDED_FOR']){ $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; } else{ $ip

Jersey: ContainerRequestFilter does not get Context ServletRequest

只谈情不闲聊 提交于 2019-12-22 03:59:28
问题 To see the full code for this issue, please see this github https://github.com/mobiusinversion/web-application I also created this Jersey Jira https://java.net/jira/browse/JERSEY-2851 I am working on a ContainerRequestFilter using Jersey 2.15. This is an embedded Jetty app which is shaded into a single jar. In the Jetty starter (main class): public static void main(String[] args) throws Exception { ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);

How can I get a hostname from an IPv4 address in C?

岁酱吖の 提交于 2019-12-21 21:48:58
问题 I need a simple function that outputs a char* hostname , given a char* IPAddress . Any ideas or hints? Also, is easiest way to get the IP address from a hostname is gethostbyname() and inet_ntoa() is that correct? 回答1: Use gethostbyaddr() or getnameinfo() to convert an IP into a hostname. Use gethostbyname() or getaddrinfo() to convert a hostname into an IP. gethostby...() only support IPv4. get...info() support multiple protocols including both IPv4 and IPv6, and are the preferred functions

Determining the IP address of a connected client on the server

我的梦境 提交于 2019-12-21 20:15:32
问题 I have a server running on one machine and have the port it uses forwarded to my router, and another machine running the client connecting to the server using my ISP assigned external IP address instead of the local address. This all works fine and it connects but When I check the address of the connected socket (client), The IP address that it shows is completely different? it shows me 148.49.68.0 . I can't find this on ipconfig and don't understand where this is popping up from. Shouldn't