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Linux Other Network Servers

In this tutorial, we discuss the following additional network servers: FTP server, Sendmail, DNS and SAMBA.

FTP Server

File Transfer Protocol (FTP) is used to transfer files over the Internet.When you download a file from the Internet, you actually transfer the file from a computer on the Internet to your computer.

Wuarchive-ftpd or wu-ftpd, the most popular ftp daemon for Linux systems on the Internet, was developed at Washington University by Chris Myers. While configuring an FTP server, you might need to edit the following files:

  • /etc/ftpaccess. This file enables users to access the FTP server. You can configure this file to enable logical groups to access the FTP server.
  • /etc/ftphosts. This file enables or disables access to accounts from various hosts.
  • /etc/ftpusers. This file contains a list of users who are not allowed to connect to your computer through FTP.

In this tutorial:

  1. Setting the FTP User Account
  2. Configurations File for FTP Server
  3. ftpusers
  4. Anonymous FTP
  5. Using Proper Password and Group Files
  6. Anonymous FTP Warnings
  7. Sendmail
  8. Sendmail Security
  9. Domain Name Service
  10. Domain Name Space
  11. Services Offered By a DNS Server
  12. DNS Transactions
  13. BIND
  14. BIND Configuration
  15. Resource Records (RR)
  16. Start of Authority (SOA)
  17. nslookup
  18. BIND Security
  19. Host Name Spoofing
  20. Running BIND with Least Privileges
  21. DNS Security Extensions (DNSEC)
  22. SAMBA
  23. SMB Protocol
  24. Mounting the SMB File System
  25. SAMBA Security
  26. Server-Level Security