I posted a topic about my firewall script a few days ago and got a ton of help. Instead of reviving that topic, I decided to start a new one. <BR><BR>I'm trying to learn iptables firewalling and I ...

# iptables -A INPUT -p tcp -m tcp -m multiport ! --dports 80,443 -j DROP # iptables -A INPUT -p tcp -m tcp -m multiport --dports 80,443 -j ACCEPT # iptables -A INPUT -m conntrack -j ACCEPT --ctstate ...

The hardened-kubernetes image ships with iptables-detect.sh from K3s as a wrapper for iptables-legacy or iptables-nft. The first time iptables is used within a container, the script does the following ...

Here is my iptables script. I was wondering if there is any security issues listed, or anything I might add or change. I want to run SAMBA, MYSQL, APACHE,PERL, and PHP on the same machine as the ...

After securing systems by hiding them completely from the network/internet using Single Packet Authorization, I’ve recently been interested in doing more so-called ‘active’ defense, by implementing ...

Dear readers, I appear to have set a Paranoid Penguin record—six months spent on one article series. (It has consisted of five installments, with a one-month break between the second and third pieces.

iptables -t nat -A POSTROUTING -s $LAN -o $ETH_WAN -j SNAT --to-source $WAN iptables -t nat -A POSTROUTING -s $DMZ -o $ETH_WAN -j SNAT --to-source $WAN iptables -t ...

/sbin/iptables -A FORWARD -p all -s 172.16.1.105 -j DROP /sbin/iptables -A FORWARD -p all -s 172.16.1.25 -j DROP /sbin/iptables -A FORWARD -p all -s 172.16.1.78 -j ...