CentOS7マシンでWebサーバを立ち上げたく、ufw,lighttpdをインストールしました。
ブラウザで localhost を開くとlighttpdのページを参照できますが、他のマシンからは
参照できません。ufw,lighttpdは次の状況です。
どこを疑うべきか教えてください。

# ufw status verbose
Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing), deny (routed)
新しいプロファイル: skip
To Action From
-- ------ ----
22/tcp (SSH) ALLOW IN Anywhere
224.0.0.251 5353/udp (mDNS) ALLOW IN Anywhere
22 ALLOW IN Anywhere
80 ALLOW IN Anywhere
22/tcp (SSH (v6)) ALLOW IN Anywhere (v6)
ff02::fb 5353/udp (mDNS) ALLOW IN Anywhere (v6)
22 (v6) ALLOW IN Anywhere (v6)
80 (v6) ALLOW IN Anywhere (v6)

# systemctl status lighttpd -l
● lighttpd.service - Lightning Fast Webserver With Light System Requirements
Loaded: loaded (/usr/lib/systemd/system/lighttpd.service; enabled; vendor preset: disabled)
Active: active (running) since 日 2022-08-14 17:37:29 JST; 1min 1s ago
Main PID: 20809 (lighttpd)
Tasks: 1
CGroup: /system.slice/lighttpd.service
└─20809 /usr/sbin/lighttpd -D -f /etc/lighttpd/lighttpd.conf
8月 14 17:37:29 CF-S10.localdomain systemd[1]: Started Lightning Fast Webserver With Light System Requirements.
8月 14 17:37:29 CF-S10.localdomain lighttpd[20809]: 2022-08-14 17:37:29: (network.c.162) warning: please use server.use-ipv6 only for hostnames, not without server.bind / empty address; your config will break if the kernel default for IPV6_V6ONLY changes