exploits , vulnerabilities , articles , Safely Connect From Anywhere to Your Closed Linux Firewall
| 2006-07-09 |
Safely Connect From Anywhere to Your Closed Linux Firewall |
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"The first time I have seen the knockd project I liked it instantly. The idea is so simple, and though so effective. Knockd is a port-knocking application that silently runs on a server passively listening to network traffic. Once it will see a port sequence it has an action configured for it, it will run that action. We can see this as a remote control to our server: once we hit the right button it will take the appropriate action!"
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