Update test helper Nginx #509
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Fix resolution, logging, ipaddr anonimization
bassosimone
reviewed
Dec 22, 2023
| # anonymize forwarded ipaddr | ||
| map $http_x_forwarded_for $remote_fwd_anon { | ||
| ~(?P<ip>\d+\.\d+\.\d+)\. $ip.0; | ||
| ~(?P<ip>[^:]+:[^:]+): $ip::; |
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See https://stackoverflow.com/questions/6098517/anonymizing-ipv6-addresses for a conversation about how much one should strip of IPv6 addresses to make sense of them. So far, we're erring on the stripping more side but we may want to revisit this choice at a later time if stripping too much makes it impossible to make sense of IPv6 addresses in the logs (I am thinking, in particular, about attacks to mitigate).
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Fix resolution, logging, ipaddr anonimization