If have no use for lighttpd and want to revert back to port 80.
Disable and stop lighttpd first (can apt purge later):
dehakkelaar@ph6b:~$ sudo systemctl disable --now lighttpd.service
Synchronizing state of lighttpd.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install disable lighttpd
Check current config:
dehakkelaar@ph6b:~$ sudo pihole-FTL --config webserver.port
8080,[::]:8080,443s,[::]:443s
Alter to port 80:
dehakkelaar@ph6b:~$ sudo pihole-FTL --config webserver.port '80,[::]:80,443s,[::]:443s'
80,[::]:80,443s,[::]:443s
Restart:
dehakkelaar@ph6b:~$ sudo pihole restartdns
[✓] Restarting DNS server
Validate:
dehakkelaar@ph6b:~$ sudo ss -nltup | grep 'State\|lighttpd\|pihole-FTL'
Netid State Recv-Q Send-Q Local Address:Port Peer Address:PortProcess
udp UNCONN 0 0 0.0.0.0:53 0.0.0.0:* users:(("pihole-FTL",pid=158551,fd=4))
udp UNCONN 0 0 [::]:53 [::]:* users:(("pihole-FTL",pid=158551,fd=6))
tcp LISTEN 0 200 0.0.0.0:80 0.0.0.0:* users:(("pihole-FTL",pid=158551,fd=11))
tcp LISTEN 0 32 0.0.0.0:53 0.0.0.0:* users:(("pihole-FTL",pid=158551,fd=5))
tcp LISTEN 0 200 0.0.0.0:443 0.0.0.0:* users:(("pihole-FTL",pid=158551,fd=13))
tcp LISTEN 0 200 [::]:80 [::]:* users:(("pihole-FTL",pid=158551,fd=12))
tcp LISTEN 0 32 [::]:53 [::]:* users:(("pihole-FTL",pid=158551,fd=7))
tcp LISTEN 0 200 [::]:443 [::]:* users:(("pihole-FTL",pid=158551,fd=14))