shorewall-nat(5): Shorewall one-to-one NAT file - Linux
A shorewall on the proxmox server; To better outline the setup, i create this drawing: (not sure its perfect, Rather put the external ip onto the opnsense (as virtual ip of type ip alias), set up 1:1 NAT from IP3 to the internal ip of the rancher-vm, and do the firewalling via opnsense. Shorewall Port Forwarding Dec 01, 2010 Arch Linux ARM • View topic - Iptables and Shorewall Jun 14, 2011 Exploring Shorewall Firewall Configuration and Command
# iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -o eth1 \ -j SNAT --to 1.2.3.0/24 The same logic applies to addresses used by the NAT box itself: this is how masquerading works (by sharing the interface address between masqueraded packets and `real' packets coming from the box itself).
shorewall-nat - Shorewall one-to-one NAT file - man page Also, in many cases, Proxy ARP (shorewall-proxyarp [2] (5)) or Proxy-NDP(shorewall6-proxyndp [3] (5)) is a better solution that one-to-one NAT. The columns in the file are as follows (where the column name is followed by a different name in parentheses, the different …
Shorewall+Docker: Two Great Tastes That Taste Great Together Matt Palmer November 23, 2015 . infrastructure; As has been mentioned previously, we lurve us some Docker here at Discourse.We also lurve us some security, and I’ve recently been replacing our “artisinally handcrafted iptables firewall rules” with a Shorewall-managed configuration, which plays better with Puppet.
Shorewall - A High-Level Firewall for Configuring Linux Jan 07, 2015 shorewall-nat(5): Shorewall one-to-one NAT file - Linux Also, in many cases, Proxy ARP (shorewall-proxyarp [2] (5)) is a better solution that one-to-one NAT. The columns in the file are as follows (where the column name is followed by a different name in parentheses, the different name is used in the alternate specification syntax).