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Diffstat (limited to 'rules/BASIC.NAT')
| -rw-r--r-- | rules/BASIC.NAT | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/rules/BASIC.NAT b/rules/BASIC.NAT new file mode 100644 index 0000000..213e338 --- /dev/null +++ b/rules/BASIC.NAT @@ -0,0 +1,46 @@ +#!/sbin/ipnat -f - +# +# THIS EXAMPLE IS WRITTEN FOR IP FILTER 3.3 +# +# ppp0 - (external) PPP connection to ISP, address a.b.c.d/32 +# +# ed0 - (internal) network interface, address w.x.y.z/32 +# +# If we have only 1 valid IP address from our ISP, then we do this: +# +# To make ftp work, using the internal ftp proxy, use: +# +map ppp0 w.x.y.z/24 -> a.b.c.d/32 proxy port ftp ftp/tcp +# +# For normal TCP/UDP and other IP protocols +# +map ppp0 w.x.y.z/24 -> a.b.c.d/32 portmap tcp/udp 40000:60000 +map ppp0 w.x.y.z/24 -> a.b.c.d/32 +# +# if we get a different dialup IP address each time, then we would use: +# +#map ppp0 w.x.y.z/24 -> 0/32 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.z/24 -> 0/32 +# +# If we have a class C address space of valid IP#'s from our ISP, then we can +# do this: +# +#map ppp0 w.x.y.z/24 -> a.b.c.d/24 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.z/24 -> a.b.c.d/24 +# +# or, if we only have a small number of PC's, this: +# +#map ppp0 w.x.y.v/32 -> a.b.c.E/32 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.v/32 -> a.b.c.E/32 +#map ppp0 w.x.y.u/32 -> a.b.c.F/32 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.u/32 -> a.b.c.F/32 +#map ppp0 w.x.y.t/32 -> a.b.c.G/32 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.t/32 -> a.b.c.G/32 +#map ppp0 w.x.y.s/32 -> a.b.c.H/32 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.s/32 -> a.b.c.H/32 +#map ppp0 w.x.y.r/32 -> a.b.c.I/32 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.r/32 -> a.b.c.I/32 +#map ppp0 w.x.y.q/32 -> a.b.c.J/32 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.q/32 -> a.b.c.J/32 +#map ppp0 w.x.y.p/32 -> a.b.c.K/32 portmap tcp/udp 40000:60000 +#map ppp0 w.x.y.p/32 -> a.b.c.K/32 |
