You have a domain in your LAN named example.com and cracker.org. Allow the FTP connection only from local domain. Deny the FTP connection from cracker.org

To allow FTP from example.com and deny from cracker.org using tcp_wrappers: (Assuming "local domain" refers to example.com based on the question context) 1. Edit /etc/hosts.deny: vsftpd: ALL EXCEPT .example.com 2. Edit /etc/hosts.allow: vsftpd: .example.com Explanation: Similar…

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Question

You have a domain in your LAN named example.com and cracker.org. Allow the FTP connection only from local domain. Deny the FTP connection from cracker.org

Explanation

To allow FTP from example.com and deny from cracker.org using tcp_wrappers: (Assuming "local domain" refers to example.com based on the question context)

Edit /etc/hosts.deny: vsftpd: ALL EXCEPT .example.com
Edit /etc/hosts.allow: vsftpd: .example.com

Explanation: Similar to SSH configuration, this uses tcp_wrappers for FTP (assuming 'vsftpd' or similar as the service daemon name). The /etc/hosts.allow entry explicitly permits FTP connections from example.com. The /etc/hosts.deny entry denies all FTP connections except those from example.com. This combination allows FTP only from example.com and implicitly denies it from cracker.org (and any other domain).

Topics

#TCP wrappers#FTP access control#hosts.allow#hosts.deny

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