[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Michał Radwański added the comment: The point is that the specification is not complete and thus left for the implementations to decide. Python's version hits the sweet spot between inclusive and correct - as long as a version is unambiguous, it is accepted. -- __

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Change by Serhiy Storchaka : -- nosy: +ncoghlan, pmoody ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Prudvi RajKumar Maddala added the comment: I think Michal is right -- ___ Python tracker ___ ___ Python-bugs-list mailing list Unsu

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Luke Kenneth Casson Leighton added the comment: that's interesting, michael: it means that all of the IPv6 validators online are wrong, like this one! https://formvalidation.io/guide/validators/ip/ -- ___ Python tracker

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Michał Radwański added the comment: According to the RFC ( https://tools.ietf.org/html/rfc4291#section-2.2 ), last four bytes can be an address in the format of IPv4 address. The latter doesn't specify whether leading zeros are permitted or not. For illustration let's look at the implementati

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Luke Kenneth Casson Leighton added the comment: hi prudvi: i have absolutely no idea. i am simply running test validators online, which show and confirm that they are correctly INVALID. a google search shows a number of IPv6 validators: https://www.google.co.uk/search?q=ipv6+address+validator

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Prudvi RajKumar Maddala added the comment: Hi lkcl, can you help me understand why exactly the below IPv6 addresses are invalid? ('::::::00.00.00.00', False) ('::::::000.000.000.000', False) I pulled the above addresses from your git testcase.

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Luke Kenneth Casson Leighton added the comment: > Hi lkcl, are you working on the fix? I'd like to work on it. hi prudvi, i'm not: i'm simply making people aware that there's an issue that needs to be addressed (pun intended) -- ___ Python tracker

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

Prudvi RajKumar Maddala added the comment: Hi Ikcl, are you working on the fix? I'd like to work on it. -- nosy: +prudvinit ___ Python tracker ___

[issue34453] ipaddress module accepts some strange IPv6 addresses that it shouldn't

New submission from Luke Kenneth Casson Leighton : adding some unit tests to some code being written, searched randomly on the internet for an IPv6 test suite and found one in php *shudder* # https://github.com/gws/ipv6-address-test/blob/master/Tests/Ipv6TestCase.php converted it to python, and