nat

  1. barrandrea

    PF Redirect all traffic from ip to another

    Hi, i need to redirect all traffic from a private ip address attested on a local interface, to a public ip address. The old configuration with iptables it's something like this iptables:-A PREROUTING -d $private_ip/32 -i $int_if -j DNAT --to-destination $public_ip iptables:-A PREROUTING ! -d...
  2. B

    PF Is it possible to overcome "Strict-NAT" for 2 simultaneous devices behind PF?

    The below rules allow a single PC on my network to enjoy an "Open" NAT in Rainbow Six Siege multi-player (and many other games). This makes it possible for me to host games and improves match making speed. match out log on egress from !$gaming_pc to any nat-to ($ext_if:0) port...
  3. B

    IPFW ipfw nat stateful redirect of a port

    Hello everyone! I have few network services running in jailed configuration on a server, and I use ipfw to protect the server against possible attacks, and to provide its local clients with access to internet. The goal I want to achieve is redirection of some ports of jailed services to the...
  4. M

    PF NAT failing for large payload pings

    I have noticed an odd problem with NAT in pf and was wondering if this should behave the way it is. The router host is running pf doing NAT and a PPPoE connection to the internet using /usr/sbin/ppp (a.k.a. user-ppp). The ppp session is not doing any NATing. An extract of my pf.conf is as...
  5. dave

    PF pf: NAT Multiple Internal (LAN) Interfaces

    Hello, I cannot seem to find information on how to perform NAT for multiple internal (LAN) interfaces with pf. I have a very simple set of rules for performing basic NAT: # Definitions ext_if = "wlan0" # macro for external interface - use tun0 for PPPoE int_if = "ue0" #...
  6. T

    Networking Structure for VM Host

    Hello, I'm currently running a server based on FreeBSD 10.3. I'm using jails to separate all the running services. Since I only have one public IPv4 address, I use PF and a nginx-proxy to redirect to the specific jails inside the NAT. My plan is to use 11.0 and it's enhanced bhyve features to...
  7. I

    Solved NAT with forwarding is not working

    Hi guys! I've been a couple of days trying to set up a router in a virtual network using FreeBSD and I can't get it work I'm afraid. A quick summary of what I have and what I want to achieve: I have 2 interfaces: xn0, which is the external interface, and bridge0 which is internal. The...
  8. hsw

    IPFW NAT failing with nginx+ssl

    I set up a digital Ocean droplet with 10.3-zfs, installed iocage and copied in an working 10.3 jail that has nginx already setup. The jails IP is assigned to tap0 and I am trying to use IPFW+NAT to create a stateful firewall to allow the jail limited external access. With SSL off there is no...
  9. ikanobori

    IPFW IPFW/NAT and Jails having many out-of-order and reassembled TCP packets

    Hi, Traffic coming out of my jails seems to be very slow so I ran a tcpdump on my external interface to see what is going on and I get a whole slew of TCP Out of Order and TCP Duplicate ACK in Wireshark. I am talking pages full when any traffic is going out of the jails. Traffic going into the...
  10. scrappywan

    FreeBSD VPS Jailed Web Servers Network Isolation

    I have a VPS on Digitalocean which I used mfsbsd to reinstall FreeBSD with ZFS/zroot with PF as my firewall. My plan with this VPS is to run wordpress, a static site and owncloud each in their own jails. Currently, I use nginx on the host machine running as a reverse proxy, intercepting https...
  11. olav

    IPFW Is my IPFW NAT setup ok?

    Hello everyone, over this weekend I spent some time by replacing my PFSense firewall with a FreeBSD IPFW one. Mostly because I wanted the flexibility that comes with FreeBSD and that I can install all kind of third party software on the same machine as it has plenty of available resources...
  12. fnoyanisi

    Solved Cannot get bhyve guest network working

    Hi there, I have a VM running FreeBSD-CURRENT in bhyve but I could not get the network working properly. I created tap0 and bridge0 interfaces as described in the relevant chapter of the handbook. I have only a wireless NIC, so I followed the advice in bhyve wiki page and created proper pf...
  13. unknownuser

    Solved FreeBSD VM guest's jail can't be resolved from host

    Hello everyone. I will try to explain my setup as clear as I can. I have a Windows 10 Workstation where I run a FreeBSD VM on VMWare 12. This FreeBSD VM is meant to run multiple Apache/PHP/Wordpress instances on multiple jails. The FreeBSD guest is bridged through the HOST Ethernet NIC, where...
  14. M

    IPFW PF & IPFW: packet passing order

    Hi, I want to setup PF for round-robin NAT and ipfw for traffic shaping and filtering, but I can't find an appropriate description of a packet trip through firewalls in FreeBSD. So if I'll specify in rc.conf: firewall_enable="YES" dummynet_enable="YES" pf_enable="YES" will it mean that packet...
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