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There are a few ways to set module parameters, both temporary and persistent. The previous answer provides only a temporary change which furthermore does not work if the module is already loaded.

Persistent changes

The change will take effect as soon as the module is loaded, whether it is done manually or automatically at boot. If the module is already loaded, you must either reboot, or load it and unload it, which may or may not be possible if it has unremovable dependencies. To do this, create a file, such as /etc/modprobe.d/no_conntrack_helper.conf, with the following contents:

options nf_conntrack nf_conntrack_helper=0

Temporary changes (modprobe)

This requires the module be unloaded before you run the command. The changes will disappear when the module is unloaded or when the system reboots. You can change specific parameters by passing them as arguments to the modprobe utility when loading the module. Load the module as root:

modprobe nf_conntrack nf_conntrack_helper=0

Temporary changes (sysfs)

Some modules can have their parameters modified even after the module has been loaded. This can be done by writing to a special file in sysfs. I do not know if the specific parameter you want to change can be modified at runtime, but if it iscan, you would want to run the following command as root:

echo 0 > /sys/module/nf_conntrack/parameters/nf_conntrack_helper

There are a few ways to set module parameters, both temporary and persistent. The previous answer provides only a temporary change which furthermore does not work if the module is already loaded.

Persistent changes

The change will take effect as soon as the module is loaded, whether it is done manually or automatically at boot. If the module is already loaded, you must either reboot, or load it and unload it, which may or may not be possible if it has unremovable dependencies. To do this, create a file, such as /etc/modprobe.d/no_conntrack_helper.conf, with the following contents:

options nf_conntrack nf_conntrack_helper=0

Temporary changes (modprobe)

This requires the module be unloaded before you run the command. The changes will disappear when the module is unloaded or when the system reboots. You can change specific parameters by passing them as arguments to the modprobe utility when loading the module. Load the module as root:

modprobe nf_conntrack nf_conntrack_helper=0

Temporary changes (sysfs)

Some modules can have their parameters modified even after the module has been loaded. This can be done by writing to a special file in sysfs. I do not know if the specific parameter you want to change can be modified at runtime, but if it is, you would want to run the following command as root:

echo 0 > /sys/module/nf_conntrack/parameters/nf_conntrack_helper

There are a few ways to set module parameters, both temporary and persistent. The previous answer provides only a temporary change which furthermore does not work if the module is already loaded.

Persistent changes

The change will take effect as soon as the module is loaded, whether it is done manually or automatically at boot. If the module is already loaded, you must either reboot, or load it and unload it, which may or may not be possible if it has unremovable dependencies. To do this, create a file, such as /etc/modprobe.d/no_conntrack_helper.conf, with the following contents:

options nf_conntrack nf_conntrack_helper=0

Temporary changes (modprobe)

This requires the module be unloaded before you run the command. The changes will disappear when the module is unloaded or when the system reboots. You can change specific parameters by passing them as arguments to the modprobe utility when loading the module. Load the module as root:

modprobe nf_conntrack nf_conntrack_helper=0

Temporary changes (sysfs)

Some modules can have their parameters modified even after the module has been loaded. This can be done by writing to a special file in sysfs. I do not know if the specific parameter you want to change can be modified at runtime, but if it can, you would want to run the following command as root:

echo 0 > /sys/module/nf_conntrack/parameters/nf_conntrack_helper
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There are a few ways to set module parameters, both temporary and persistent. The previous answer provides only a temporary change which furthermore does not work if the module is already loaded.

Persistent changes

The change will take effect as soon as the module is loaded, whether it is done manually or automatically at boot. If the module is already loaded, you must either reboot, or load it and unload it, which may or may not be possible if it has unremovable dependencies. To do this, create a file, such as /etc/modprobe.d/no_conntrack_helper.conf, with the following contents:

options nf_conntrack nf_conntrack_helper=0

Temporary changes (modprobe)

This requires the module be unloaded before you run the command. The changes will disappear when the module is unloaded or when the system reboots. You can change specific parameters by passing them as arguments to the modprobe utility when loading the module. Load the module as root:

modprobe nf_conntrack nf_conntrack_helper=0

Temporary changes (sysfs)

Some modules can have their parameters modified even after the module has been loaded. This can be done by writing to a special file in sysfs. I do not know if the specific parameter you want to change can be modified at runtime, but if it is, you would want to run the following command as root:

echo 0 > /sys/module/nf_conntrack/parameters/nf_conntrack_helper