Kategoriarkiv: OpenBSD

Min ISP Router en range ind til mig, den lander på 192.0.2.20 og rangen hedder 203.0.113.0/24. Jeg satte to OpenBSD maskiner op og tildelte dem ip adresserne 192.0.2.21 og 192.0.2.22 fw1# echo inet 192.0.2.21 255.255.255.0 NONE > /etc/hostname.em0 fw2# echo … Læs resten →

Use PF to keep unauthorized users off the network. Firewalling gateways have traditionally been used to block traffic from specific services or machines. Instead of watching IP addresses and port numbers, an authenticated gateway allows you to regulate traffic to … Læs resten →

Use OpenBSD’s firewalling features to protect your network. PacketFilter, commonly known as PF, is the firewalling system available in OpenBSD. While it is a relatively new addition to the operating system, it has already surpassed IPFilter, the system it has … Læs resten →

Use IPsec the OpenBSD way. Setting up IPsec in OpenBSD is fairly easy since it’s compiled into the kernel that ships with each release and is enabled by default. All that is left to do is to create the appropriate … Læs resten →