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更新 port_forward/port_forward.sh

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Randall 2024-11-18 16:30:03 +08:00
parent c89bbb1fa0
commit b435b1983a
1 changed files with 17 additions and 0 deletions
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17
port_forward/port_forward.sh
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@ -14,6 +14,20 @@ add_port_forwarding() {
echo "Port forwarding added: $src_port -> $dest_ip:$dest_port" echo "Port forwarding added: $src_port -> $dest_ip:$dest_port"
} }
# Function to delete port forwarding rule
delete_port_forwarding() {
local protocol=$1
local src_port=$2
local dest_ip=$3
local dest_port=$4
# Delete the port forwarding rule
iptables -t nat -D PREROUTING -p tcp --dport $src_port -j DNAT --to-destination $dest_ip:$dest_port
iptables -t nat -D POSTROUTING -p tcp -d $dest_ip --dport $dest_port -j MASQUERADE
echo "Port forwarding deleted: $src_port -> $dest_ip:$dest_port"
}
# Function to list port forwarding rules # Function to list port forwarding rules
list_port_forwarding() { list_port_forwarding() {
echo "Current port forwarding rules:" echo "Current port forwarding rules:"
@ -23,9 +37,12 @@ list_port_forwarding() {
# Main script logic # Main script logic
if [ "$1" == "add" ] && [ "$2" == "ipv4" ]; then if [ "$1" == "add" ] && [ "$2" == "ipv4" ]; then
add_port_forwarding "tcp" $3 $4 $5 add_port_forwarding "tcp" $3 $4 $5
elif [ "$1" == "delete" ] && [ "$2" == "ipv4" ]; then
delete_port_forwarding "tcp" $3 $4 $5
elif [ "$1" == "list" ]; then elif [ "$1" == "list" ]; then
list_port_forwarding list_port_forwarding
else else
echo "Usage: $0 add ipv4 <src_port> <dest_ip> <dest_port>" echo "Usage: $0 add ipv4 <src_port> <dest_ip> <dest_port>"
echo " $0 delete ipv4 <src_port> <dest_ip> <dest_port>"
echo " $0 list" echo " $0 list"
fi fi