On Sunday, 27 March 2022 13:00:51 BST Hamish McIntyre-Bhatty wrote:
> iptables is a firewall so anything using that is definitely running a
> firewall.

>From the iptables entry on Wikipedia:

iptables is a user-space utility program that allows a system administrator to 
configure the IP packet filter rules of the Linux kernel firewall, implemented 
different Netfilter modules. The filters are organized in different tables, 
contain chains of rules for how to treat network traffic packets. 

I think that means that iptables is the means to manipulate the firewall that 
already exists (albeit with no rules that block anything by default).  I know 
that it is often thought of as being the firewall, but it's not, its just 
another way to create the blocks and filters.


                Terry Coles

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