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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/share/examples/ipfilter/BASIC.NAT |
#!/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