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Hide sensitive GET parameters within nginx access logs thanks to the Lua module
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http { | |
log_format filt '$remote_addr - $remote_user [$time_local] "$_request" ' | |
'$status $body_bytes_sent "$http_referer" ' | |
'"$http_user_agent" "$http_x_forwarded_for"'; | |
server { | |
location /login { | |
# `set` is provided by the Rewrite module | |
set $filter "password|secret"; | |
set_by_lua $_request ' | |
local filt = ngx.arg[1] | |
local req = ngx.arg[2] | |
return ngx.re.gsub(req, "((" .. filt .. ")=)[^&]+", "$1-FILTERED-") | |
' $filter $request; | |
access_log logs/access.log filt; | |
# ... | |
} | |
} | |
} |
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