FTP service port 21 protection
Posted: Sat Dec 10, 2011 2:07 amWe cannot easy setup port forward for ftp server, but we can protect ftp from being attack by using Magic Router Firewall and Quota, FTP server is using port 21, it is common and will not change. Hacker like to attack or find something useful. Some FTP may not able to protect attack from DOS, if hacker continuous send connection signal to your ftp server, ftp max connection will reach, causing ftp lock, none will allow to access.
Setup:
1. Change your ftp server port from 21 to 2021 (or other port not used).
2. Start Magic Router, set listen port = 21, to port = 2021, to host = 192.168.1.1 (your server ip, do not use 127.0.0.1, slower).
3. Enable firewall and quota in Magic Router, set the hit rate, quota limit according to your business.
4. Save setting or Start Magic Router.
Setup:
1. Change your ftp server port from 21 to 2021 (or other port not used).
2. Start Magic Router, set listen port = 21, to port = 2021, to host = 192.168.1.1 (your server ip, do not use 127.0.0.1, slower).
3. Enable firewall and quota in Magic Router, set the hit rate, quota limit according to your business.
4. Save setting or Start Magic Router.