view LICENSE-MERGELY.html @ 7367:c57d926edd39

auth: strip RFC4007 zone identifiers from IPv6 addresses before doing access control If using IPv6, the request IP address might contain a '%' that the ipaddr module that is used for IP filtering can't handle. https://tools.ietf.org/html/rfc4007#section-11 specifies how IPv6 addresses can have zone identifiers like trailing '%13' or '%eth0'. The zone identifier is used to help distinguish *if* the same address should be available on multiple interfaces. It *could* potentially have security implications in the odd case where the same address is different on different interfaces. The IP whitelist functionality does however not support zone filters, so there is no way users can expect the zone to be relevant for IP filtering. We can thus safely strip the zone index and only check for match on the other parts of the address.
author Mads Kiilerich <mads@kiilerich.com>
date Sat, 01 Sep 2018 01:12:13 +0200
parents aa3b55946089
children
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