sh 获取防火墙规则的GCP网络阻止

Posted 2021-05-06

for name in $(nslookup -q=TXT _spf.google.com 8.8.8.8 | grep -oe '_netblocks[1-9]*.google.com'); do nslookup -q=TXT $name 8.8.8.8 | grep -oe '[0-9]*.[0-9]*.[0-9]*.[0-9]/[0-9]*'; done