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#!/bin/bash
set -e
RULESET="table inet filter {
chain ssh {
type filter hook input priority 0; policy accept;
tcp dport 22 accept;
}
}
table inet filter {
chain input {
type filter hook input priority 1; policy accept;
}
}"
$NFT -f - <<< "$RULESET"
if [ $? -ne 0 ] ; then
echo "E: unable to load good ruleset" >&2
exit 1
fi
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