가상계좌 웹훅헤더 검증관련 질문드립니다.

https://docs.tosspayments.com/reference/using-api/webhook-events

서 tosspayments-webhook-signature ,

에 signature , .


"headers":{
"tosspayments-webhook-transmission-retried-count":["0"],
"tosspayments-webhook-transmission-id":["whtrans_a01k1f400ypb7erwejsvxnf5r0a"],
"content-type":["application/json"],
"cdn-loop":["cloudflare; loops=1"],
"content-length":["192"],"connection":["Keep-Alive"],
"tosspayments-webhook-transmission-time":["2025-07-31T11:11:50+09:00"],
"user-agent":["tosspayments"],
"cf-connecting-ip":["3.38.81.32"],
"x-b3-traceid":["688ad0e68f1fadee70d1d4dd2128f71b"],
"x-b3-spanid":["031c252e85b50583"],
"cf-visitor":["{"scheme":"https"}"],
"x-b3-parentspanid":["a34f6d21499a1b1e"],
"x-b3-sampled":["1"],
"x-forwarded-proto":["https"],
"accept":["/"],
"accept-encoding":["gzip, br"],
"true-client-ip":["3.38.81.32"],
"host":[""],
"x-forwarded-for":["3.38.81.32"],
"cf-ray":["9679913feb283532-ICN"]
}

, , ,
.

는 cf?
.
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