Changes

   # passwd

   # passwd

    

    

Then add a user: (follow the prompts)

Then add a user, using a non-obvious username, e.g. '''PlnUsr456''' : (follow the prompts)

    

    

   # adduser

   # adduser

   # pacman -S iptables

   # pacman -S iptables

The following IPv6 firewall is a very simplistic example, only suitable for use in a trusted environment, where SLAAC IPv6 address allocation is in place. '''This example is not intended to be used for an internet-facing Raspberry Pi where you need to include extra packet checking related to traffic sources, packet arrival rates, etc.'''

The following IPv6 firewall is a very simplistic example, only suitable for use in a trusted environment, where SLAAC IPv6 address allocation is in place. '''This example is not intended to be used for an internet-facing Raspberry Pi where you may choose to include extra packet checking related to traffic source addresses, packet arrival rates, etc.'''

   *filter

   *filter

In general it is recommended that you apply all the standard SSH hardening approaches. You can also restrict logins to your newly created plain user (above) with the addition of the following line to your ssh configuration file ('''/etc/ssh/sshd_config'''). I'd also recommend that you choose an username which isn't a simple shortening of your own name:

In general it is recommended that you apply all the standard SSH hardening approaches. You can also restrict logins to your newly created plain user (above) with the addition of the following line to your ssh configuration file ('''/etc/ssh/sshd_config'''). I'd also recommend that you choose an username which isn't a simple shortening of your own name:

   AllowUsers plnusr456

   AllowUsers '''PlnUsr456'''