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clearing_iptables
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| clearing_iptables [2023/05/08 04:40] – -grammar, formatting hogwild | clearing_iptables [2023/05/08 04:49] (current) – added "previous" hogwild | ||
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| ===== Clearing iptables custom commands prior to applying new ones ===== | ===== Clearing iptables custom commands prior to applying new ones ===== | ||
| - | Let's say, as an example, that you wanted to use some custom iptables commands in a script, such as the firewall script. In fact, the following principles would apply to any recurring script (such as WAN Up). | + | Let's say, as an example, that you wanted to use some custom iptables commands in a script, such as the firewall script. In fact, the following principles would apply to any recurring script (such as "WAN Up"). |
| \\ You can remove previously-added iptables directives using a simple approach: | \\ You can remove previously-added iptables directives using a simple approach: | ||
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| \\ | \\ | ||
| - | The commands below will check what iptables **-A** (append) or **-I** (insert) directives have been issued previously in the current Script/ | + | The commands below will check what iptables **-A** (append) or **-I** (insert) directives have been issued previously in the current Script/ |
| - | \\ Here are some things | + | A user might have created custom tables in which to use advanced iptables commands. This is usually performed using the " |
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| + | \\ Here are some rules to remember when using these commands: | ||
| * First, you need to dereference the custom table from the built-in one, using the above method. | * First, you need to dereference the custom table from the built-in one, using the above method. | ||
| * A table must then be emptied with the **-F** (Flush) switch/ | * A table must then be emptied with the **-F** (Flush) switch/ | ||
| * Only at this point will you be allowed to remove the table with the command: | * Only at this point will you be allowed to remove the table with the command: | ||
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| - | \\ | ||
| \\ | \\ | ||
clearing_iptables.1683517256.txt.gz · Last modified: 2023/05/08 04:40 by hogwild
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