Tag Archives: firewall

simple statefull firewall with iptables

Today, I was very very nervous ! Believe ! I’m ! So, I decided paste this simple script that I did a long time ago, but BELIEVE ! WORK and ┬áis EFFECTIVE ! Brief resume, of why I’m posting this … Continue reading

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IP and MAC Address Association on OpenBSD

On this tutorial, I will show how associate mac and ip address and filter it on OpenBSD 4.8. Create a bridge # ifconfig bridge0 create Assuming that your LAN network card is rl0, add this to bridge and block non … Continue reading

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Building VPN’s with OpenBSD and IPSEC

In this tutorial, I’ll show how to create a VPN using OpenBSD Making a VPN on OpenBSD is very easy. Within minutes Follow the scenario: Consider A and B OpenBSD’s respectively . Adjust /etc/sysctl.conf on both sides. net.inet.ip.forwarding=1 net.inet.ah.enable=1 net.inet.esp.enable=1 … Continue reading

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