14f1ada7b2
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1039840 13f79535-47bb-0310-9956-ffa450edef68
35 lines
1.8 KiB
Text
Executable file
35 lines
1.8 KiB
Text
Executable file
# 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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# Redirect TCP/IP traffic to a particular IP address from one port to another
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# port. This is useful to handle incoming traffic on a standard reserved port
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# like 80 or 443 for example in an unprivileged user process bound to a non
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# reserved port.
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# Example: ip-redirect 80 8090 10.1.1.1
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sport=$1
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tport=$2
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dest=$3
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# Redirect external incoming traffic
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sudo /sbin/iptables -t nat -S PREROUTING | grep "\-d $dest/" | grep "\-p tcp" | grep "\-\-dport $sport" | grep "\-j REDIRECT" | sed "s/^-A/-D/" | awk -F "\t" '{ printf "sudo /sbin/iptables -t nat %s\n", $1 }' | /bin/sh
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sudo /sbin/iptables -t nat -A PREROUTING --destination $dest -p tcp --dport $sport -j REDIRECT --to-ports $tport
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# Redirect local traffic as well
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sudo /sbin/iptables -t nat -S OUTPUT | grep "\-d $dest/" | grep "\-p tcp" | grep "\-\-dport $sport" | grep "\-j REDIRECT" | sed "s/^-A/-D/" | awk -F "\t" '{ printf "sudo /sbin/iptables -t nat %s\n", $1 }' | /bin/sh
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sudo /sbin/iptables -t nat -A OUTPUT --destination $dest -p tcp --dport $sport -j REDIRECT --to-ports $tport
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