Express.js req.ip is returning ::ffff:127.0.0.1 - Stack Overflow
Apr 2, 2015 · The problem is the IP is returning ::ffff:127.0.0.1 instead of 127.0.0.1. I tried using trusted proxy option (though not using a proxy) and the req.ips is blank.
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, 8 months ago Modified 10 years, 11 months ago Viewed 25k 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, …
node.js - Stripping "::ffff:" prefix from request.connection ...
Jun 28, 2015 · The example address ::ffff:192.168.1.10 is legitimate! The question isn't whether the IPv6 address is legitimate; it's whether you can get a legitimate IPv4 address by stripping …
What is '::ffff:` in the returned IP address? - Stack Overflow
May 21, 2023 · What is '::ffff:` in the returned IP address? Asked 2 years, 7 months ago Modified 1 year, 1 month ago Viewed 1k times
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 …
c# - What does +ffff stand for in this DateTime format ddd, d …
Sep 15, 2017 · SomeDateTimeObject.ToUniversalTime() .ToString("ddd, d MMM yyyy HH:mm:ss +ffff", CultureInfo.InvariantCulture), Now I am confused what +ffff stands for in this. Also, I …
How to calculate size of memory by given a range of address?
In your example for Range 1, you are correct. That is the size of the memory, stated in hexidecimal, in bytes. You may gain the most insight by first converting 00FF FFFF to a …
Calculating all addresses within a subnet...for IPv6
May 23, 2017 · The output for first and last usable addresses is incorrect. IPv6, unlike IPv4, can use all the addresses in a subnet. A standard IPv6 subnet is /64 (a few special cases use …
request.connection.remoteAddress Now Prefixed in ::ffff in node.js
request.connection.remoteAddress; // ::ffff:192.168.1.10 Can anyone explain what is going on? Is my Node server listening to IPv6 addresses? Is ::ffff:192.168.1.10 actually an IPv6 address or …