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22 lines
969 B
Bash
22 lines
969 B
Bash
#!/bin/sh
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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mac=`/sbin/ifconfig xenbr0 |/bin/grep HWaddr |/usr/bin/awk '{print $5}'`
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/sbin/ebtables -I FORWARD -d ! $mac -i eth0 -p IPV4 --ip-prot udp --ip-dport 67:68 -j DROP
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exit 0
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