![]() ![]() The one that came first in the ACL definition. If more than one element in an ACL isįound to match a given IP address or prefix, preference is given to The machine’s addresses which do not match the list. Listen-on option causes the server to refuse queries on any of Keep-response-order all use address match lists. The clauses allow-notify, allow-recursion,Īllow-recursion-on, allow-query, allow-query-on,Īllow-query-cache, allow-query-cache-on, allow-transfer,Īllow-update, allow-update-forwarding, blackhole, and When used as an access control list, a non-negated match allows accessĪnd a negated match denies access. The interpretation of a match depends on whether the list is being usedįor access control, defining listen-on ports, or in a sortlist, Key is found, and therefore may be somewhat slower. ![]() However, keyĬomparisons require that the list of keys be traversed until a matching The comparison takes place in approximately O(1) time. When a given IP address or prefix is compared to an address match list, Term “address match list” is still used throughout the documentation. Something of a misnomer, since security keys can be used to validateĪccess without regard to a host or network address. The addition of the key clause made the name of this syntactic element More information on those names can be found in the Match list names “any”, “none”, “localhost”, and “localnets” are Server_key: a key ID, as defined by the key statementĪcl_name: the name of an address match list defined with the acl statementĪ nested address match list enclosed in bracesĮlements can be negated with a leading exclamation mark ( !), and the The elements which constitute an address match Zone block ( zone )Īddress match lists are primarily used to determine access control for Regarded as the topmost-level blocks: for example, theĬertain blocks can appear multiple times, in which case they haveĪn associated name to disambiguate them: for example, the In a zone block has scope only for that zone.īlocks are organized hierarchically within nf and may have aĬertain blocks cannot be nested inside other blocks and thus may be The definition of a cryptographic key in a key block - or whichĭefine the scope of the statement - for example, a statement which appears Block īlocks are containers for statements which either have common functionality - for example, The file nf may contain three types of entities: Comment If rndc is being run from localhost (the same system as BIND 9 is running Will be present if rndc is being run from a remote host, but is not required nf, which is typically located in /etc or /usr/local/etc/namedb,ĭepending on the operating system or distribution. The operational functionality of BIND 9 is defined using the file ![]() statistics-channels Block Definition and Usage parental-agents Block Definition and Usage ![]()
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