Chapter 05

Chapter 05 - Linux Networking and Security Chapter 5 1...

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1 Linux Networking and Security Chapter 5
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2 Configuring File Sharing Services Configure an FTP server for anonymous or regular users Set up NFS file sharing between Linux and UNIX systems Understand NetWare NCP-Based file sharing Use SMB to share files and printers with Windows-based PCs
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3 Running an FTP server The File Transfer Protocol (FTP) was designed for efficient distribution of a single file to multiple remote clients Some design characteristics of FTP: FTP operates in real-time FTP was designed to be used by the public and this is called anonymous FTP FTP is very effective for transferring large files FTP was not designed as a “shared local disk”
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4 Using an FTP Client Accessing an FTP site requires an FTP client Linux includes a text-mode FTP client, some Linux systems include a newer and refined text-mode ftp system called ncftp An FTP client session begins with the ftp command If the system connects, users are prompted for username and password
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5 Using an FTP Client
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6 Using an FTP Client
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7 Using an FTP Client
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8 Using an FTP Client
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9 Introducing FTP Servers The most widely used FTP server on Linux is the Washington University server, wu-ftp Setting up the FTP server is done via a number of configuration files In addition to configuration files, there is the anonymous user home directory: Anonymous users do not see the entire file system and are limited to a working area, or home directory that designates downloadable files
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10 Introducing FTP Servers
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11 Setting Up FTP Configuration Files The FTP server is configured using the ftpaccess file in the /etc directory There are three types of FTP users: Anonymous, Real, and Guest Classes of users can be created, which allow you to assign permissions based on groupings Permit FTP users to perform file actions using a series of directives naming the file action, followed by yes or no, followed by the classes of user to which the directive applies
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12 Setting Up FTP Configuration Files
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13 Setting Up FTP Configuration Files
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14 Sharing Files with NFS The Network File System (NFS) provides access to remote files systems as if they are part of the local directory structure NFS was designed for permanent, long-term connections where remote file systems are used as part of the regular user environment NFS does have security concerns and was designed with a trusted network in mind NFS is UNIX-centric and does not typically perform well with Windows or NetWare servers
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This note was uploaded on 04/03/2008 for the course IT IT taught by Professor Freebourn during the Spring '07 term at Montana Tech.

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Chapter 05 - Linux Networking and Security Chapter 5 1...

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