When adding hosts with public IP addresses (i.e. not part of any local subnet), those are coloured in the IPsec colour (purple) although they should be either RED or have no colour at all.
Bug is fixed with this commit: http://git.ipfire.org/?p=people/amarx/ipfire-2.x.git;a=commit;h=fb996fef738125bfa43342b913acaae4ba01c26c