NTP or DNS redirection - Detection possible
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Hello,
i just wanted to know whether it is somehow possible for a client machine to detect a NAT Redirection to a local resolver or a NTP time server?
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Is this your question https://security.stackexchange.com/questions/46282/how-to-detect-network-address-translation-nat ?
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Not exactly. The solution offered in this discussion on stackexchange needs a second server listening on the destination port. Can I go without this server in some way, for example with a protocol specific attribute of NTP or DNS?
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@woodsomeister Read again the replies. The OP mentions the case that he can't control the "server", he can't "snif" on that side. So I guess the situation is answered.
You saw the "@JohanGelp You can't. That's how networks work" and the more complicated "Much depends on your scenario." ?
