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A comment on Potholes to avoid when migrating to IPv6. Parent comment

Re:Potholes to avoid when migrating to IPv6 by the8472 on Monday December 31, 2018 @04:34AM (#18793811)
Don't do ad-hoc string parsing. This case is going to explode on ipv4-mapped addresses with dot notation for the last 32bits.

https://tools.ietf.org/html/rfc4038#section-4.2

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Re:Potholes to avoid when migrating to IPv6 by ggm on Monday December 31, 2018 @06:03AM (#18794036)
Yes. It's a weak-as expedient. I've managed to avoid mapped in the last few years.
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