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Originally Posted by maurixio  yeah , probably that is the answer , but its strange that other services (im running apache in 1.1.1.1) replies good to the ping from internet on 100.100.100.100 (locally responds on 1.1.1.1 so the dns is working as expected).
this problem happened to me in the past , but the only difference was that the bind9 server where in the same server with zimbra, dunno why i could send and receive mails without problem installing that way. |
I don't think that's unexpected. Apache, when it replies to pings, is replying to your DNAT/SNAT router, which in turn is translating the replies to the outside world. It does this while being totally agnostic as to the internal-vs-external sourcing of the request. The difference is that your bind needs to respond differently depending on the location of the requestor, and it hasn't got the tools to accurately determine that since it's getting masqueraded requests.