Apple

>sudo lsof -P -i tcp:80

Password:

COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME

httpd 7397 root 5u IPv6 0xf141290e6dd33f95 0t0 TCP *:80 (LISTEN)

httpd 7398 edc 5u IPv6 0xf141290e6dd33f95 0t0 TCP *:80 (LISTEN)

httpd 7399 edc 5u IPv6 0xf141290e6dd33f95 0t0 TCP *:80 (LISTEN)

httpd 7400 edc 5u IPv6 0xf141290e6dd33f95 0t0 TCP *:80 (LISTEN)

httpd 7401 edc 5u IPv6 0xf141290e6dd33f95 0t0 TCP *:80 (LISTEN)

httpd 7402 edc 5u IPv6 0xf141290e6dd33f95 0t0 TCP *:80 (LISTEN)

httpd 7527 edc 5u IPv6 0xf141290e6dd33f95 0t0 TCP *:80 (LISTEN)

and

edc@edcs-mbp:~>/usr/bin/host localhost

localhost.attlocal.net has address 127.0.0.1

edc@edcs-mbp:~>/usr/bin/dig a localhost

; <<>> DiG 9.8.3-P1 <<>> a localhost

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34501

;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:

;localhost. IN A

;; ANSWER SECTION:

localhost. 0 IN A 127.0.0.1

;; Query time: 7 msec

;; SERVER: 192.168.1.254#53(192.168.1.254)

;; WHEN: Thu Jun 18 17:18:20 2015

;; MSG SIZE rcvd: 43

Could it be my WIFI router?

Robert B. Hanviriyapunt

On Jun 17, 2015, at 4:56 AM, Pascal Robert <email@hidden> wrote:

What is the output of « sudo lsof -P -i tcp:80 »?

Other response:

Message: 2
Date: Wed, 17 Jun 2015 09:39:59 +0100
From: Patrick Middleton <email@hidden>
To: WebObjects-Dev Apple <email@hidden>
Subject: Re: port 80 refused
Message-ID: <email@hidden">email@hidden>
Content-Type: text/plain; charset="utf-8"; Format="flowed";
DelSp="yes"

I'd guess that IPv4 is disabled but IPv6 is enabled. Never seen that
before.
Check your Apache access log. You may find the address ::1 appearing
everywhere.
What do ' /usr/bin/host localhost ' and '/usr/bin/dig a localhost'
report?

References:
	>port 80 refused (From: "Robert B. Hanviriyapunt" <email@hidden>)
	>Re: port 80 refused (From: Pascal Robert <email@hidden>)