ip – Page 10 – Tarik Billa

How to get Real IP from Visitor? [duplicate]

December 29, 2022 by Tarik

Try this php code. <?PHP function getUserIP() { // Get real visitor IP behind CloudFlare network if (isset($_SERVER[“HTTP_CF_CONNECTING_IP”])) { $_SERVER[‘REMOTE_ADDR’] = $_SERVER[“HTTP_CF_CONNECTING_IP”]; $_SERVER[‘HTTP_CLIENT_IP’] = $_SERVER[“HTTP_CF_CONNECTING_IP”]; } $client = @$_SERVER[‘HTTP_CLIENT_IP’]; $forward = @$_SERVER[‘HTTP_X_FORWARDED_FOR’]; $remote = $_SERVER[‘REMOTE_ADDR’]; if(filter_var($client, FILTER_VALIDATE_IP)) { $ip = $client; } elseif(filter_var($forward, FILTER_VALIDATE_IP)) { $ip = $forward; } else { $ip = $remote; } … Read more

Parsing IPv6 extension headers containing unknown extensions

December 27, 2022 by Tarik

What if I encounter an unrecognized extension header type? From RFC 2460: If, as a result of processing a header, a node is required to proceed to the next header but the Next Header value in the current header is unrecognized by the node, it should discard the packet and send an ICMP Parameter Problem … Read more

How to convert an IPv4 address into a integer in C#?

December 25, 2022 by Tarik

32-bit unsigned integers are IPv4 addresses. Meanwhile, the IPAddress.Address property, while deprecated, is an Int64 that returns the unsigned 32-bit value of the IPv4 address (the catch is, it’s in network byte order, so you need to swap it around). For example, my local google.com is at 64.233.187.99. That’s equivalent to: 64*2^24 + 233*2^16 + … Read more

How to identify server IP address in PHP

December 12, 2022 by Tarik

Like this for the server ip: $_SERVER[‘SERVER_ADDR’]; and this for the port $_SERVER[‘SERVER_PORT’];

What is IP address ‘::1’?

November 22, 2022 by Tarik

::1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1. See http://en.wikipedia.org/wiki/Localhost

Linux command to translate domain name to IP [closed]

October 19, 2022 by Tarik

Use this $ dig +short stackoverflow.com 69.59.196.211 or this $ host stackoverflow.com stackoverflow.com has address 69.59.196.211 stackoverflow.com mail is handled by 30 alt2.aspmx.l.google.com. stackoverflow.com mail is handled by 40 aspmx2.googlemail.com. stackoverflow.com mail is handled by 50 aspmx3.googlemail.com. stackoverflow.com mail is handled by 10 aspmx.l.google.com. stackoverflow.com mail is handled by 20 alt1.aspmx.l.google.com.

Getting the location from an IP address [closed]

October 15, 2022 by Tarik

You could download a free GeoIP database and lookup the IP address locally, or you could use a third party service and perform a remote lookup. This is the simpler option, as it requires no setup, but it does introduce additional latency. One third party service you could use is mine, http://ipinfo.io. They provide hostname, … Read more

Getting visitors country from their IP

October 5, 2022 by Tarik

Try this simple PHP function. <?php function ip_info($ip = NULL, $purpose = “location”, $deep_detect = TRUE) { $output = NULL; if (filter_var($ip, FILTER_VALIDATE_IP) === FALSE) { $ip = $_SERVER[“REMOTE_ADDR”]; if ($deep_detect) { if (filter_var(@$_SERVER[‘HTTP_X_FORWARDED_FOR’], FILTER_VALIDATE_IP)) $ip = $_SERVER[‘HTTP_X_FORWARDED_FOR’]; if (filter_var(@$_SERVER[‘HTTP_CLIENT_IP’], FILTER_VALIDATE_IP)) $ip = $_SERVER[‘HTTP_CLIENT_IP’]; } } $purpose = str_replace(array(“name”, “\n”, “\t”, ” “, “-“, “_”), … Read more

Getting the IP address of the current machine using Java

September 27, 2022 by Tarik

This could be a bit tricky in the most general case. On the face of it, InetAddress.getLocalHost() should give you the IP address of this host. The problem is that a host could have lots of network interfaces, and an interface could be bound to more than one IP address. And to top that, not … Read more

How to get a list of all valid IP addresses in a local network? [closed]

September 26, 2022 by Tarik

Install nmap, sudo apt-get install nmap then nmap -sP 192.168.1.* or more commonly nmap -sn 192.168.1.0/24 will scan the entire .1 to .254 range This does a simple ping scan in the entire subnet to see which hosts are online.