| #!/bin/bash | |
| set -e | |
| tmpfile1=$(mktemp) | |
| tmpfile2=$(mktemp) | |
| clean_tmpfile() | |
| { | |
| rm -f "$tmpfile1" "$tmpfile2" | |
| } | |
| trap clean_tmpfile EXIT | |
| cat > $tmpfile1<<EOF | |
| -P INPUT ACCEPT | |
| -P FORWARD ACCEPT | |
| -P OUTPUT ACCEPT | |
| -N FOO | |
| -A FOO -j DROP | |
| EOF | |
| $XT_MULTI iptables -N FOO | |
| $XT_MULTI iptables -A FOO -j DROP | |
| $XT_MULTI iptables -S > $tmpfile2 | |
| diff -u $tmpfile1 $tmpfile2 | |
| rm -f $tmpfile1 $tmpfile2 |