This will make FTP work properly, at least.
iface eth0 binswood default
iface vpn-precision colo
iface eth0 binswood default
iface vpn-precision colo
+m4_divert(80)m4_dnl
+###--------------------------------------------------------------------------
+### Connection tracking helper modules.
+
+for i in ftp; do
+ modprobe nf_conntrack_$i
+done
+
m4_divert(80)m4_dnl
###--------------------------------------------------------------------------
### Special forwarding exemptions.
m4_divert(80)m4_dnl
###--------------------------------------------------------------------------
### Special forwarding exemptions.