答：重装iptables
# dpkg -L iptables | fgrep standard
/usr/lib/x86_64-linux-gnu/xtables/libxt_standard.so
# apt install --reinstall -y iptables
iptables执行时报错"iptables : Couldn't load target `standard':No such file or directory"如何处理?
原文：https://www.cnblogs.com/dakewei/p/13166118.html