jdk/src/linux/doc/man/ja/ktab.1
author jjg
Tue, 11 Mar 2008 13:14:55 -0700
changeset 168 25697c18650b
parent 2 90ce3da70b43
child 5506 202f599c92aa
permissions -rw-r--r--
6307187: clean up code for -Xlint:options Summary: introduce common code for handling one-of and any-of options Reviewed-by: mcimadamore
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'\" t
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.\"
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.\" Copyright 2002-2004 Sun Microsystems, Inc.  All Rights Reserved.
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.\" DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.\"
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.\" This code is free software; you can redistribute it and/or modify it
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.\" under the terms of the GNU General Public License version 2 only, as
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.\" published by the Free Software Foundation.
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.\"
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.\" This code is distributed in the hope that it will be useful, but WITHOUT
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.\" ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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.\" FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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.\" version 2 for more details (a copy is included in the LICENSE file that
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.\" accompanied this code).
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.\"
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.\" You should have received a copy of the GNU General Public License version
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.\" 2 along with this work; if not, write to the Free Software Foundation,
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.\" Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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.\"
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.\" Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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.\" CA 95054 USA or visit www.sun.com if you need additional information or
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.\" have any questions.
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.\"
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.\" 
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.TH ktab 1 "2004 年 6 月 22 日"
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.SH "名前"
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ktab \- Kerberos キーテーブルマネージャ
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.LP
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.BR ktab
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を使用すると、ユーザはローカルにあるキーテーブルに格納された
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プリンシパル名とサービスキーを管理できます。キータブ内のプリンシパル
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とキーペアは、ホスト上で動作しているサービスに、それら自身を 
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Key Distribution Center (KDC) に認証させます。サーバが Kerberos を
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使用できるように設定するには、その前にユーザはサーバが動作している
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ホスト上でキータブを設定する必要があります。ktab を使用してキータブ
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を変更しても、Kerberos データベースには影響しないことに注意してくださ
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い。キータブ内のキーを変更した場合、Kerberos データベース内の対応する
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箇所も変更する必要があります。
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.SH "形式"
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.B ktab
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[
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.IR commands " ]" 
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.SH "機能説明"
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.BR ktab
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は、キーテーブル内のプリンシパル名とキーペアを管理します。
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.BR ktab
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を使用すると、ユーザはキーテーブル内のプリンシパル名とキーペアを
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一覧表示、追加、更新、または削除できます。これらの操作はすべて、
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Kerberos データベースには影響しません。
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.LP
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.ft 3
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.B キータブ
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.LP
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キータブとは、ホストが持つ自分自身のキーリストのコピーであり、ユーザ
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のパスワードと似ています。自分自身を Key Distribution Center (KDC) 
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に認証させる必要があるアプリケーションサーバは、それ自身のプリンシパル
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とキーを含むキータブを持っている必要があります。ユーザが自分の
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パスワードを保護することが大切であるのと同様に、ホストは自分のキータブ
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を保護することが大切です。キータブファイルは常にローカルディスクに
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格納して、root 以外のユーザが読めないように設定しておく必要があります。
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キータブファイルは暗号化せずにネットワークへ送信しないでください。
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.SH "コマンド"
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使用法: コマンド行オプションでは大文字と小文字は区別しません。
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.LP
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.B ktab
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\-help
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.LP
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.B ktab
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\-l [\-k <keytab_name>]
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.LP
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.B ktab
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[\-a <principal_name> <password>] [\-k <keytab_name>]
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.LP
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.B ktab
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[\-d <principal_name>] [\-k <keytab_name>]
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.LP
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.TP
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.BI \-l
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キータブ名とエントリを一覧表示します。
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.TP
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.BI \-a
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<principal_name> <password>
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エントリをキータブに追加します。Kerberos データベースは変更しません 
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(コマンド行やスクリプトにパスワードを指定しないでください)。
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.TP
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.BI \-d 
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<principal_name>
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キータブからエントリを削除します。Kerberos データベースは変更しません。
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.TP
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.BI \-k
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<keytab_name>
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キータブ名と、接頭辞 FILE: で始まるパスを指定します。
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.TP
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.BI \-help
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ヘルプを表示します。
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.SH "使用例"
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デフォルトのキーテーブル内のエントリをすべて表示します。
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.LP
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.ft 3
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.nf
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ktab \-l
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.fi
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.ft 1
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.LP
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新しいプリンシパルをキーテーブルに追加します。パスワードの入力が求められます。
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.LP
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.ft 3
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.nf
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ktab \-a duke@java.sun.com
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.fi
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.ft 1
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.LP
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キーテーブルからプリンシパルを削除します。
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.LP
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.ft 3
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.nf
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ktab \-d duke@java.sun.com
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.fi
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.ft 1
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.LP
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.SH "セキュリティに関する警告"
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パスワードをコマンド行に指定しないでください。これはセキュリティホール
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になります。たとえば、UNIX の
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.BI ps
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コマンドの実行中に、攻撃者はパスワードを検出することができてしまいます。