| udp.tunnel (56706) | udp.tunnel (120612) |
|---|---|
| 1#!/bin/sh | 1#!/bin/sh |
| 2# $FreeBSD: head/share/examples/netgraph/udp.tunnel 56706 2000-01-28 00:44:30Z archie $ | 2# $FreeBSD: head/share/examples/netgraph/udp.tunnel 120612 2003-09-30 22:39:22Z julian $ |
| 3 4# This script sets up a virtual point-to-point WAN link between 5# two subnets, using UDP packets as the ``WAN connection.'' 6# The two subnets might be non-routable addresses behind a 7# firewall. 8# 9 10# Here define the local and remote inside networks as well --- 15 unchanged lines hidden (view full) --- 26if ifconfig ng0 >/dev/null 2>&1; then 27 ifconfig ng0 inet down delete >/dev/null 2>&1 28 ngctl shutdown ng0: 29else 30 ngctl mkpeer iface dummy inet 31fi 32 33# Attach a UDP socket to the ``inet'' hook of the interface node | 3 4# This script sets up a virtual point-to-point WAN link between 5# two subnets, using UDP packets as the ``WAN connection.'' 6# The two subnets might be non-routable addresses behind a 7# firewall. 8# 9 10# Here define the local and remote inside networks as well --- 15 unchanged lines hidden (view full) --- 26if ifconfig ng0 >/dev/null 2>&1; then 27 ifconfig ng0 inet down delete >/dev/null 2>&1 28 ngctl shutdown ng0: 29else 30 ngctl mkpeer iface dummy inet 31fi 32 33# Attach a UDP socket to the ``inet'' hook of the interface node |
| 34# using the ng_ksocket(8) node type. | 34# using the ng_ksocket(4) node type. |
| 35# 36ngctl mkpeer ng0: ksocket inet inet/dgram/udp 37 38# Bind the UDP socket to the local external IP address and port 39# 40ngctl msg ng0:inet bind inet/${LOC_EXTERIOR_IP}:${UDP_TUNNEL_PORT} 41 42# Connect the UDP socket to the peer's external IP address and port 43# 44ngctl msg ng0:inet connect inet/${REM_EXTERIOR_IP}:${UDP_TUNNEL_PORT} 45 46# Configure the point-to-point interface 47# 48ifconfig ng0 ${LOC_INTERIOR_IP} ${REM_INTERIOR_IP} 49 50# Add a route to the peer's interior network via the tunnel 51# 52route add ${REM_INSIDE_NET} ${REM_INTERIOR_IP} 53 | 35# 36ngctl mkpeer ng0: ksocket inet inet/dgram/udp 37 38# Bind the UDP socket to the local external IP address and port 39# 40ngctl msg ng0:inet bind inet/${LOC_EXTERIOR_IP}:${UDP_TUNNEL_PORT} 41 42# Connect the UDP socket to the peer's external IP address and port 43# 44ngctl msg ng0:inet connect inet/${REM_EXTERIOR_IP}:${UDP_TUNNEL_PORT} 45 46# Configure the point-to-point interface 47# 48ifconfig ng0 ${LOC_INTERIOR_IP} ${REM_INTERIOR_IP} 49 50# Add a route to the peer's interior network via the tunnel 51# 52route add ${REM_INSIDE_NET} ${REM_INTERIOR_IP} 53 |