Fire-walling and packets accounting: When everything goes wrong

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## 7. When everything goes wrong

The fire-walling in Linux may be deadly. An improper configuration may bring the station to its knee. One command that may save your day is

> `

>             netconf --resetfw

> `

This command deactivates all fire-walling rules. It does not affect the configuration, but only the working set.

> `

>             netconf --update

> `

will reactivate the rules. You may need to use those two commands to check out if a network malfunction is caused by your fire-walling rules or not.

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