NAT Interception proxy. This is available as standard with the OpenBSD 5.0+ squid port/packages. For Squid-3.4 or later: --enable-pf-transparent. For Squid-3.3 and Squid-3.2 support for this is not integrated with the --enable-pf-transparent build option. However the IPFW NAT component of Squid is compatible with PF.
OpenBSD PF: Address Pools and Load Balancing NAT Address Pool An address pool can be used as the translation address in nat-to rules. Connections will have their source address translated to an address from the pool based on the method chosen. This can be useful in situations where PF is performing NAT for a very large network. OpenBSD Router with PF - SOLRAC Blog The operating system OpenBSD is used widely for network routing and firewall. Also really easy to install for you Virtual Machine lab environment. In this blog bost I want to explain how to turn an OpenBSD installation quick in router and NAT with PF for your environment. OpenBSD pf NAT rules based on DHCP/DNS - Unix & Linux
I'm aware of the quick keyword but I don't really like it - I always try to use pf's evaluation order ;) Btw, I found the answer on an OpenBSD FAQ page: " NAT is specified as an optional nat-to parameter to an outbound pass rule. Often, rather than being set directly on the pass rule, a match rule is used.
Unless PF drops the packet, it will then be IPsec-processed, even if the packet has been modified by NAT. Security Associations can be set up manually with ipsecctl(8) or automatically with the isakmpd(8) or iked(8) key management daemons. PF, alias and NAT-ing, what am I doing wrong? : openbsd
Dec 06, 2012 · pfctl -sr. OR. pfctl -ar. How do I see the current firewall rules # pfctl -sr Sample outputs: pass all flags S/SA block drop in on vr0 inet proto tcp from any to ! 202.54.1.2 port = 3306 block drop in on vr0 inet proto tcp from any to ! 202.54.1.10 port = 3306 block drop in on vr0 inet proto tcp from any to ! 202.54.1.15 port = 3306 block drop in on ! lo0 proto tcp from any to any port 6000:6010
OpenBSD pf NAT rules based on DHCP/DNS. Ask Question Asked 5 years, 5 months ago. Active 1 year, 2 months ago. Viewed 1k times 3. 1. I have a Proxmox installed and an OpenBSD VM in front of all the others to play the role of NAT, firewall, DNS and DHCP. I have a fully functional DNS and DHCP. Load Balancing | OpenBSD Handbook NAT Address Pool. An address pool can be used as the translation address in ‘nat-to’ rules. Connections will have their source address translated to an address from the pool based on the method chosen. This can be useful in situations where PF is performing NAT for a very large network. OpenBSD FAQ: Virtualization Ensure that NAT is set up properly if the guests on the virtual network need access beyond the physical machine. An adjusted NAT line in /etc/pf.conf might look like this: match out on egress from vether0:network to any nat-to (egress) The following lines in vm.conf(5) can be used to ensure that a virtual switch is defined: OpenBSD PF: Building a Router