Express.js req.ip is returning ::ffff:127.0.0.1 - Stack Overflow
Apr 2, 2015 · 236 ::ffff: is a subnet prefix for IPv4 (32 bit) addresses that are placed inside an IPv6 (128 bit) space. IPv6 is broken into two parts, the subnet prefix, and the interface suffix. Each …
When is the hybrid IP notation ::ffff:192.168.1.4 appropriate?
May 2, 2011 · When is the hybrid IP notation ::ffff:192.168.1.4 appropriate? Asked 14 years, 1 month ago Modified 10 years, 4 months ago Viewed 24k times
#FFFFFF or "white" in CSS? - Stack Overflow
Jan 28, 2011 · Is there a difference between #FFF (#FFFFFF) and white in CSS? Is one better than the other?
node.js - Stripping "::ffff:" prefix from request.connection ...
Jun 28, 2015 · Stripping "::ffff:" prefix from request.connection.remoteAddress nodejs Asked 9 years, 11 months ago Modified 5 years ago Viewed 31k times
hex - hexadecimal converting back into decimal - Stack Overflow
Jul 26, 2013 · 1) Is FFFF a mix of both hexadecimal and decimal notation? How does FFFF equals 2^16? I don't understand how to interpret FFFF. The right most F represents 8 4 2 1, …
sockets - Will setting a multicast destination address to FFFF.FFFF ...
Jul 1, 2014 · I'm working with a device that sends out UDP packets on a multicast address, however I see some packets addressed to the multicast group IP with a MAC address of …
Does style="color: #FFF;" render as #F0F0F0 or #FFFFFF?
Mar 30, 2017 · The CSS2 spec section 4.3.6 Colors: The RGB color model is used in numerical color specifications. These examples all specify the same color: em { color: #f00 } /* #rgb */ em …
What is '::ffff:` in the returned IP address? - Stack Overflow
May 21, 2023 · This is the IPv6 representation of an IPv4 address. You could strip it out but it might be a good idea to keep it in because one day hopefully your code will be using IPv6 …
Regex pattern for IPv6 netmask from for a given prefix /1 - /128
Dec 26, 2022 · I'm trying to write a regex for accepting IPv6 subnet from 8000:: to ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff. The subnet is based on the prefix range between /1 - 128 Example …
When printing hex values using %x why is 'ffffff' printed after each ...
In a sample c++ code I will open a file and print each char in hexa file has only 16 chars but why ffffff will print after each heax values? char buff[256]; // buff filled with fread for(i=0;i<...