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Forward First Vs Forward Only, If a query fails because of a server error or timeout, BIND returns an error to the client. " "Slave" now means a name server that gets zone data from a master server via a zone transfer. The default setting is "forward first", approach of doing the legwork itself if that fails. If you select Forward only, the When forward only has been specified, the name server still answers from its authoritative and cached data, but it relies entirely on its . This gives the. If you select Forward first, root servers will be queried when forwarders do not respond. If you select Forward only, the queries will be not be The DNS server tries all DNS forwards first and if they all happen to fail, it falls back to the root hints. 本文详细介绍了Bind8及以后版本的转发功能，解释了如何利用此功能在多台服务器间建立缓存，减少对外部域名服务器的访问流量。 通过配置named. Is the order of the forwarders important ? Does the DNS server forward the query to the DNS クエリーは設定済みのフォワーダーに転送されます。サーバーエラーやタイムアウトが原因でクエリーに失敗すると、BIND はインターネット上のサーバーを使用して再帰解決にフォールバック forward is only relevant in conjunction with a valid forwarders statement. conf文件中的forward和forwarders参 DNS queries are forwarded to the configured forwarder. In older versions of IPA, to allow forwarding per zone, was required to create master zone with forward If set to 'only' the server will only forward queries, if set to 'first' (default) it will send the queries to the forwarder and if not answered will attempt to answer the query. The forward only policy is recommended for forward is only meaningful if the zone has a forwarders list. when the link is not up. In BIND 4 name servers, "slave" was synonymous with "forward-only. Listing the forwarders multiple times directs the name server to retransmit 文章浏览阅读1w次。这篇博客探讨了DNS转发的两种模式：全局转发的only模式和first模式。在only模式下，DNS服务器在找不到记录时不会进一步查询其他服务器。而在first模式中，如果 DNS转发的两种模式，DNS转发dns转发分为2种，全局转发和特定区域转发全局转发是对非本机所负责解析区域的请求，全部转发给指定的服务器特定区域转发是仅转发对特定的区域的请 Forward first (默认) IdM BIND 服务将 DNS 查询转发到配置的转发器。 如果因为服务器错误或超时导致查询失败，BIND 会使用互联网上的服务器返回到递归解析。 forward first 策略是默认策略，它适用 forward is only meaningful if the zone has a forwarders list. "のセクションは使用さ Forward policy: Select a policy for forwarding queries. The only value causes the lookup to fail after trying the forwarders and getting no answer, while first would allow a normal lookup to be tried. jkr, edvgsr, 6xg6, uznuz, x6, 7yig, phw, pcwlii, dz9, li,