On Jul 27, 2017, at 9:36 PM, 望月忠雄 <tadao@xxxxxxxxxxxxxxxxxx> wrote:
>
> On CentOS7 I have following firewalld setting.
>
> external (active)
> target: default
> icmp-block-inversion: no
> interfaces: eth0
> sources:
> services: dns ftp http https imaps pop3s smtp ssh
> ports: 110/tcp 21/tcp 20000/tcp 106/tcp 53/tcp 990/tcp 5432/tcp 8447/tcp
> 113/tcp 143/tcp 3306/tcp 5224/tcp 22/tcp 465/tcp 995/tcp 25/tcp 10000/tcp
> 8443/tcp 993/tcp 443/tcp 8880/tcp 587/tcp 20/tcp 53/udp 12768/tcp
> protocols:
> masquerade: yes
> forward-ports:
> sourceports:
> icmp-blocks:
> rich rules:
>
> But by ss -nat, IPV4 443 is not listend. How can I fix?
>
> # ss -nat | grep LISTEN | grep 443
> LISTEN 0 128 :::443 :::*
Just because the firewall is open doesn’t mean the process listening on port 443 has to be running. It looks like your HTTPD server (I assume apache httpd?) isn’t listening on ipv4. This is not a firewall problem, but a configuration problem for the web server.
--
Jonathan Billings <billings@xxxxxxxxxx>
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