a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts

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499 views

Trouble with UFW blocking stuff from NAT machine to inside of NAT

I've got a NAT box (Ubu 10.04) running ufw with the following sudo ufw status verbose: Status: active Logging: on (low) Default: deny (incoming), allow (outgoing) New profiles: skip To ...
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2answers
3k views

How to set up an Ubuntu 10.04 machine to accept ssh requests only from within the local network?

I am about to install 10.04 (from bare metal to replace 9.04) and I want to set it up so that I can shh into the machine, but only from other machines on my local network. (I.e., I want to reject all ...
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2answers
18k views

How do I know if my firewall is on?

I installed Firestarter, and configured my firewall. But I'm in doubt : On boot, I sometimes see a [FAIL] marker, and to the left, I guess it was something like "start firewall". I can't be sure ...

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