Linux command
iptables-save 命令
安全
权限或系统影响较大,执行前请核对目标。
常用示例
sudo iptables-save
Example
sudo iptables-save -t filter
Save
sudo iptables-save -f /etc/iptables.rules
说明
iptables-save dumps the current iptables IPv4 configuration to stdout or a file. The output can be restored using iptables-restore. Use ip6tables-save for IPv6 rules.
参数
- -t, --table _table_
- Only output rules for the specified table (filter, nat, mangle, raw, security)
- -f, --file _filename_
- Write output to file instead of stdout
- -c, --counters
- Include packet and byte counters in output
FAQ
What is the iptables-save command used for?
iptables-save dumps the current iptables IPv4 configuration to stdout or a file. The output can be restored using iptables-restore. Use ip6tables-save for IPv6 rules.
How do I run a basic iptables-save example?
Run `sudo iptables-save` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -t, --table _table_ do in iptables-save?
Only output rules for the specified table (filter, nat, mangle, raw, security)