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How to save/restore iptables rules on Ubuntu?
This might be an obvious thing to old Linux-heads out there, but it sure caught me off-guard, so there might be some use in spelling it out: iptables-save and iptables-restore do not actually save/load the iptables rules to/from an external file. You are responsible for redirecting the output of iptables-save to a file and modifying…
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The hidden capabilities of windows firewall
Windows, beginning with XP SP2 contains a decent firewall. It doesn’t have leak prevention or outbound connection filtering. However it does have: inbound connection filtering, ICMP filtering, a default deny policy, GUI and command line interface, configuration using group policy and something I discovered only recently: limiting a certain rule with multiple IP / netmasks…
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Hack The Gibson – Episode #66
Read the reason for these posts. Read Steve Gibson’s response. This again will be a short one. Steve talks about Vista which I have no immediate experience with (I’ve seen it on some decent machines and all that I can say is that it’s reeeeeeeeeeeeally slow. really, really, really slow. Event without the Aero interface).…
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Software vs. Hardware firewalls
I’ve already done my post for the day and was listening to episode 56 of Security Now when I’ve heard something that ticked me of. I hear this all the time from various sources (but those are mostly uninformed and not security experts). This won’t be an other Hack the Gibson post, although you can…