I can do that. Would it be possible to get export_fw_info to also export ipv4-network so that ocserv-fw can configure SNATing on the POSTROUTING chain? On Mon, May 9, 2016 at 7:45 AM, Nikos Mavrogiannopoulos <n.mavrogiannopoulos at gmail.com> wrote: > On Fri, May 6, 2016 at 2:36 PM, Lance LeFlore <lance at 3t218.org> wrote: >> Hi, >> I'm trying to understand why the ocserv-fw script makes use of the >> iptables INPUT chain. One would think that the FORWARD chain would be >> where the script would put all of the allow/deny rules since traffic >> will need to be forwarded from the tun interface to eth0 if it wants >> to get out to other networks. I know that $INPUT_CHAIN can be set to >> whatever I'd like, but there are several places where the INPUT chain >> is hardcoded in the script. >> I'd also like to understand why ocserv-fw appears to create empty >> INPUT-ocserv-fw-vpns* chains which cause the rules in the INPUT chain >> which reference said chains to go nowhere useful. It seems to me that >> the INPUT-ocserv-fw-vpns* chains should each have a blanket allow rule >> so that the rules in the INPUT (should be FORWARD?) chain which >> reference them actually work. >> Am I thinking about this all wrong? > > You are right, it seems that the current script doesn't fulfill its > purpose; I should have tagged this as an experimental feature. It > seems that both INPUT/FORWARD and OUTPUT/FORWARD should have been > specified. Would you be interested in providing a fixed ocserv-fw > script? > > regards, > Nikos