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The school that my son goes to blocks outbound SSH traffic. The users inside the network can't use Port 22 / trying to make a SSH connection through another port is also blocked. The reason I was given for this was because it's putting the users inside the network at risk and would allow port...
I generally lock down SSH and other non-public services so that they can only be accessed by specific IP addresses. But some businesses we work with do not have static IPs and occasionally they need to provide access for contractors and outside developers. I have been told that Port Knocking could...
Anyone have a favorite tool they've used to implement port knocking or a similar stealth access scheme? (I have a few tools bookmarked, but would like to hear of first hand experiences.)