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Merge pull request #330 from amintong/master

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dnat rule add dst restrictions
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Kroese 2023-10-08 15:08:25 +02:00 committed by GitHub
commit da4555925b
1 changed files with 5 additions and 2 deletions
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7
run/network.sh
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@ -146,10 +146,13 @@ configureNAT () {
ip link set dev "${VM_NET_TAP}" master dockerbridge
# Add internet connection to the VM
IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
iptables -t nat -A POSTROUTING -o "${VM_NET_DEV}" -j MASQUERADE
iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -p tcp -j DNAT --to $VM_NET_IP
iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -p udp -j DNAT --to $VM_NET_IP
iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -d "${IP}" -p tcp -j DNAT --to $VM_NET_IP
iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -d "${IP}" -p udp -j DNAT --to $VM_NET_IP
if (( KERNEL > 4 )); then
# Hack for guest VMs complaining about "bad udp checksums in 5 packets"