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NSSメモ(01)

More than 3 years have passed since last update.

※記載内容はメモとして作成しているため、修正が必要な部分があるかもしれません。

NSS(Name Servie Swith)

PCは名前解決が可能ないくつかの機能を持っている。

①DNSリゾルバキャッシュ情報

②hostsファイル記述情報

③DNSサーバへの問い合わせ

※NIS・LDAP指定可能

その優先順位を指定するファイルが /etc/nsswith.conf ファイルである。

記述例

hosts:   files    dns

最初にホストファイルを参照、 マッチしなければ DNSに問い合わせを行う。

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