Collaborate Disseminate
I followed this tutorial (http://elinux.org/RPI-Wireless-Hotspot) for an Wifi Hotspot in the guesthouse. This is working fine, but every device on the WiFi network can reach any LAN device in the LAN and vice versa. I don’t w… Continue reading How to block traffic coming from an "public" WiFi hotspot and going to the LAN (iptables)
While reading about NOTRACK target of raw table in iptables, I encountered an article suggesting that for certain traffic you could (or even should) disable connection tracking. The two examples were: (1) all kind of routed p… Continue reading Is it safe to disable connection tracking in iptables?
I’ve got a Kali Linux box I use for pen testing.
I would like to configure my machine to DROP incoming packets, but only when I’m not listening on them.
e.g. if I run a netcat listener on port 80, I would like connections from the intern… Continue reading How to set iptables to drop packets that I’m not listening on?
What is the difference between bridge and routing firewall ?
How they both works and what are the security advantages/disadvantages for both scenario ?
On a router such as dd-wrt or tomato, what would be some default iptables rules?
I am asking for rules on a router/gateway – For example; blocking SYN flood attacks, or XMAS attacks. The basic iptables rules that are a must for a router/g… Continue reading IPTables default security rules for a gateway/router?
I have to make a demonstration about firewalls in my class as a student(university).
It should be implemented using iptables on Linux. I am reading all the theories around them but I can’t figure out a good use case to presen… Continue reading Firewall demo – iptables