Use Yum to download without installing it

Step 1: First, you have to install the yum-downloadonly plugin for yum

# yum install yum-downloadonly

Step 2: Run the command to download the latest vsftpd

# yum install vsftpd --downloadonly 

Step 3: To specifies an alternate directory to store packages

# yum install vsftpd --downloadonly --downloaddir=/opt