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ip6tables-restore – Restore ip6tables tables

The ip6tables-restore command is used to restore IPv6 firewall rules saved by the ip6tables-save command. It reads from a file or standard input and restores the rules in the same order as they were saved.

Overview

The ip6tables-restore command is used to restore IPv6 firewall rules saved by the ip6tables-save command. It reads from a file or standard input and restores the rules in the same order as they were saved.

The syntax for ip6tables-restore is as follows:

ip6tables-restore [options] [file]

Where options are command line options and file is the name of the file containing the saved firewall rules. If no file is specified, ip6tables-restore reads from standard input.

Here’s an example of how to use ip6tables-restore to restore a saved firewall configuration:

ip6tables-restore < /etc/ip6tables.rules

This command reads the saved rules from the /etc/ip6tables.rules file and restores them.

Options

The following table lists the available options for the ip6tables-restore command:

Option Description
-c Print the number of packets and bytes for each rule
-v Verbose mode. Display the rules as they are being restored
-t Test mode. Check the validity of the rules without actually adding them
-n Numeric output. Display IP addresses and port numbers in numeric format
-h Display help and exit

Troubleshooting tips

If you encounter issues when using ip6tables-restore, here are some troubleshooting tips:

  • Make sure the saved rules file is in the correct format. The file should contain a list of ip6tables commands that can be executed on the command line.
  • Check the syntax of the saved rules file. Any errors in the file can cause ip6tables-restore to fail.
  • Make sure you have the necessary permissions to run ip6tables-restore. You need to be root or have sudo privileges to run this command.

Notes

  • The ip6tables-restore command is used to restore IPv6 firewall rules. For IPv4 firewall rules, use the iptables-restore command.
  • When restoring firewall rules, be careful not to block your own access to the system. Test the rules before applying them to avoid locking yourself out.

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