On Mon, Mar 23, 2020 at 01:43:45PM +0100, Reindl Harald wrote: [...] > {LAN_BASE_IPV4} depends on a shell variable which depends on $HOSTNAME > and so on...... > > [root@firewall:/scripts/firewall]$ cat ipset_ADMIN_CLIENTS.txt > # Supported: > # - Single IP (192.168.1.1) > # - CIDR-Ranges (192.168.1.0/24) > # - From-To (192.168.1.10-192.168.1.20) > # > # Substitution: > # - {LAN_BASE_IPV4} > # - {WAN_BASE_IPV4} > # - {IPV6_PREFIX} > > {LAN_BASE_IPV4}.244 > {LAN_BASE_IPV4}.103 Could you provide a bit mode details on this substitution feature you implemented in your scripts? Thanks.