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#!/bin/bash
# Make sure ip6tables-restore simply ignores
# rules starting with -4
set -e
# show rules, drop uninteresting policy settings
ipt_show() {
$XT_MULTI ip6tables -S | grep -v '^-P'
}
# issue reproducer for ip6tables-restore
$XT_MULTI ip6tables-restore <<EOF
*filter
-A FORWARD -m comment --comment any -j ACCEPT
-4 -A FORWARD -m comment --comment ipv4 -j ACCEPT
-6 -A FORWARD -m comment --comment ipv6 -j ACCEPT
COMMIT
EOF
EXPECT='-A FORWARD -m comment --comment any -j ACCEPT
-A FORWARD -m comment --comment ipv6 -j ACCEPT'
diff -u -Z <(echo -e "$EXPECT") <(ipt_show)
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