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FTP Server Configurations
How to install FTP Server in Linux and also Interview Questions on File Transfer Protocol(FTP).
1 ) Install FTP server – vsftpd
$yum install vsftpd
Or download the rpm afrom the below links
or
use the below command to install
$rpm –ivh vsftpd*.rpm
2) Add the line to the /etc/sysconfig/iptables file to open port no
21 which is the default port for FTP in Firewall
iptables -A INPUT 192.168.1.102 -p tcp --dport 21 -j ACCEPT
3) open the /etc/vsftpd/ftpuser and the /etc/vsftpd/user_list file
and remove the user name you want to access from remote
4) restart the iptables service
$service iptables restart
5) run the commands
$setsebool -P ftp_home_dir on
$setsebool -P allow_ftpd_full_access on
6)Restart the vsftpd service
$service vsftpd restart
Interview Questions on File Transfer Protocol(FTP).......
###Very Secure File Transfer Protocol Daemon (VSFTPD)###
Features:
1. FTPD
2. Chroot jail
3. anonymous and local-user auth
4. Rate-limiting
Tasks:
1. Install 'vsftpd'
a. yum -y install vsftpd
2. Start the server
a. service vsftpd start
b. netstat -ntlp | grep 21
3. Configure service to start when system boots into multi-user runlevel
a. chkconfig vsftpd on
b. chkconfig --list vsftpd
4. Connect to the FTPD service:
a. Use web browser, which defaults to anonymous
b. Use standard FTP client, as anonymous
c. setsebool -P ftp_home_dir=1 - permits users access to their home directory
d. service vsftpd restart - for changes to take effect
5. Chroot jail local users & disable 'anonymous' access
a. chroot_local_user=YES - this jails users
b. service vsftpd restart - for changes to take effect
c. test connectivity as 'anonymous' and 'non-anonymous' users
6. Enable IPv6 listener:
a. listen_ipv6=YES - DO NOT USE WITH 'listen=YES(IPv4)'
7. Restrict 'non-anonymous' user's transfer rate
a. local_max_rate=1000 - restricts connections to 1000/bps (1K/s)
Thanking You
Hope U like it...
