# Please explain: Difference in blocking IPv4 and IPv6?

**URL:** <https://discourse.pi-hole.net/t/please-explain-difference-in-blocking-ipv4-and-ipv6/27475>\
**Category:** Beta 5.0\
**Created:** [January 26, 2020, 4:46pm UTC](https://discourse.pi-hole.net/t/please-explain-difference-in-blocking-ipv4-and-ipv6/27475 "2020-01-26T16:46:08Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Arno](https://discourse-cdn.pi-hole.net/letter_avatar_proxy/v4/letter/a/a5b964/32.png) [@Arno](https://discourse.pi-hole.net/u/Arno)\
**Post date:** [January 26, 2020, 7:38pm UTC](https://discourse.pi-hole.net/t/please-explain-difference-in-blocking-ipv4-and-ipv6/27475/7 "2020-01-26T19:38:59Z")

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Is this topic ([Some domains are intermittently blocked even though they are on the whitelist](https://discourse.pi-hole.net/t/some-domains-are-intermittently-blocked-even-though-they-are-on-the-whitelist/27477)) related?

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_[View the full topic](https://discourse.pi-hole.net/t/please-explain-difference-in-blocking-ipv4-and-ipv6/27475)._