[CentOS] Can one construct an IPTables rule to block on NS records?
Leon Fauster
leonfauster at googlemail.comTue Oct 6 13:34:28 UTC 2015
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--On Monday, October 05, 2015 10:46 AM -0400 "James B. Byrne" <byrnejb at harte-lyne.ca> wrote: > So, is there any convenient way to construct an IPTables rule to block > all IPs associated with a given Domain Name server? IPs have the reversed lookup "assosiated" with a NS. What do you mean with "associated"? Do mean all IPs that this DNS server resolves to (A-Records in zone) (how do know for what zone the NS gives authoritative answers)? Or just the domain name server IPs of a given domain name (NS records)? What are you trying to solve? -- LF
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