jm + ipv4   3

'Yet another Crypto-PAn implementation for Python':
This package provides a function to anonymize IP addresses keeping their prefix consistency. This program is based on the paper "Prefix-Preserving IP Address Anonymization: Measurement-based Security Evaluation and a New Cryptography-based Scheme" written by Jun Xu, Jinliang Fan, Mostafa H. Ammar, and Sue B. Moon. The detailed explanation can be found in [Xu2002]. This package supports both IPv4 and IPv6 anonymization.

(via Alexandre Dulaunoy)
via:adulau  anonymization  ip-addresses  internet  ipv4  ipv6  security  crypto  python  crypto-pan 
27 days ago by jm
MaxMind DB File Format Specification
An interesting data structure format -- 'the MaxMind DB file format is a database format that maps IPv4 and IPv6 addresses to data records using an efficient binary search tree.'
maxmind  databases  storage  ipv4  ipv6  addresses  bst  binary-search-trees  trees  data-structures 
october 2017 by jm
About to leave UPC due to (lack of) port forwarding -
Virgin Media/UPC seem to have silently deployed an IPv6 "carrier-grade NAT" setup called "DS-Lite" -- ie. all customers now get just a routable IPv6 address, and share a small pool of IPv4 NATs. This breaks a multitude of useful services, including UDP IPSec VPNs it seems
udp  vpns  isps  virgin-media  virgin  ireland  ds-lite  ipv6  tunnelling  networking  nat  ipv4 
may 2016 by jm

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