22 lines
365 B
Bash
22 lines
365 B
Bash
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#!/bin/sh
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DEFAULT_PORT=6042
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set -e
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if [ "$#" -lt 1 ]
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then
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echo "usage: $0 <host> [<port>]"
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exit 1
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fi
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host=$1
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port=$DEFAULT_PORT
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if [ "$#" -gt 1 ]
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then
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port=$2
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fi
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iptables="bash sudo iptables -A INPUT -p tcp --dport $port -j ACCEPT"
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ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $host "$iptables"
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echo "opened TCP port $port on $host"
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