Vsftpd is a GPL licensed FTP server for UNIX systems, including Linux. It is secure and extremely fast. It is stable. Do not take my word for it, though. Below, we will see evidence supporting all three assertions. We will also see a list of a few important sites which are happily using vsftpd. This demonstrates vsftpd is a mature and trusted solution.
Developer's : Chris Evans
Stable release : 3.0.2 / September 18, 2012
Operating system : Unix-like systems
HOW TO INSTALL AND CONFIGURE A VSFTPD SERVER ON LINUX OS :
Developer's : Chris Evans
Stable release : 3.0.2 / September 18, 2012
Operating system : Unix-like systems
License : GPL
Website : https://security.appspot.com/vsftpd.html
Features :
Despite being small for purposes of speed and security, many more complicated FTP setups are achievable with vsftpd! By no means an exclusive list, vsftpd will handle:
1. Virtual IP configurations
2. Virtual users
3. Standalone or inetd operation
4. Powerful per-user configurability
5. Bandwidth throttling
6. Per-source-IP configurability
7. Per-source-IP limits
8. IPv6
9. Encryption support through SSL integration
etc...
Download :
The latest vsftpd release is v3.0.2 Click Here
How to configure vsftp server in linux :
Install the vsftpd package via yum command:
# yum install vsftpd
Vsftpd Defaults
Default port: TCP / UDP - 21 and 20
The main configuration file: /etc/vsftpd/vsftpd.conf
Users that are not allowed to login via ftp: /etc/vsftpd/ftpusers
Configure Vsftpd Server
Open the configuration file, type:
# vi /etc/vsftpd/vsftpd.conf
Turn off standard ftpd xferlog log format:
xferlog_std_format=NO
Turn on verbose vsftpd log format. The default vsftpd log file is /var/log/vsftpd.log:
log_ftp_protocol=YES
Above to directives will enable logging of all FTP transactions. Lock down users to their home directories:
chroot_local_user=YES
Create warning banners for all FTP users:
banner_file=/etc/vsftpd/issue
Create /etc/vsftpd/issue file with a message compliant with the local site policy or a legal disclaimer:
NOTICE TO USERS
Use of this system constitutes consent to security monitoring and testing.
All activity is logged with your host name and IP address.
Turn On Vsftpd Service
Turn on vsftpd on boot:
# chkconfig vsftpd on
Start the service:
# service vsftpd start
# netstat -tulpn | grep :21
Configure Iptables To Protect The FTP Server
Open file /etc/sysconfig/iptables, enter:
# vi /etc/sysconfig/iptables
Add the following lines, ensuring that they appear before the final LOG and DROP lines for the RH-Firewall-1-INPUT:
-A RH-Firewall-1-INPUT -m state --state NEW -p tcp --dport 21 -j ACCEPT
Open file /etc/sysconfig/iptables-config, enter:
# vi /etc/sysconfig/iptables-config
Ensure that the space-separated list of modules contains the FTP connection tracking module:
IPTABLES_MODULES="ip_conntrack_ftp"
Save and close the file. Restart firewall:
# service iptables restart
Tip: View FTP Log File
Type the following command:
# tail -f /var/log/vsftpd.log
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