Cavemanon/haproxy-protection
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Incorporate custom example value into cookie

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This commit is contained in:
Thomas Lynch
2025-04-02 19:29:28 +11:00
parent 68621ecf8e
commit a958e0f7c6
2 changed files with 4 additions and 2 deletions
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2
haproxy/map/ddos.map
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@@ -1 +1 @@
localhost {"m":0,"t":false}
localhost {"m":1,"t":false}

4
src/lua/libs/utils.lua
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@@ -23,10 +23,12 @@ function _M.generate_challenge(context, salt, user_key, ddos_config, is_applet)
ip = context.sf:src()
end
local custom_value = context:get_var("txn.fp_custom") or ""
-- user agent to counter very dumb spammers
local user_agent = _M.get_header_from_context(context, "user-agent", is_applet)
local challenge_hash = sha.sha3_256(salt .. ip .. user_key .. user_agent)
local challenge_hash = sha.sha3_256(salt .. ip .. user_key .. custom_value .. user_agent)
local expiry = core.now()["sec"] + ddos_config["cex"]