Date: Sun, 28 Sep 1997 09:36:38 +0930 From: Greg Lehey <grog@lemis.com> To: Keith Spencer <bsd@smmc.qld.edu.au> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Port 80 being used?How can I tell Message-ID: <19970928093638.37943@lemis.com> In-Reply-To: <199709252104.HAA27269@smmcroute.smmc.qld.edu.au>; from Keith Spencer on Fri, Sep 26, 1997 at 08:19:13AM %2B1000 References: <199709252104.HAA27269@smmcroute.smmc.qld.edu.au>
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On Fri, Sep 26, 1997 at 08:19:13AM +1000, Keith Spencer wrote:
> Hi ,
> Is there a way I can find out what ports are being used?
> Apache reports at boot that it can't bind to port 80.
> Apache docs say maybe it is being used or maybe the user is set
> wrong or something...
> Any ideas?
If you look in /etc/services, you'll find
http 80/tcp www www-http #World Wide Web HTTP
http 80/udp www www-http #World Wide Web HTTP
In other words, port 80 is known as http. Next, enter
$ netstat -a | grep http
tcp 0 0 *.http *.* LISTEN
If you see the output I've shown, then something is listening on the
port http. But that's basically what your Apache error message is
telling you. The two most likely possibilities are:
1. You're already running httpd. You can check this with:
$ ps aux | grep http
grog 2533 3.1 0.7 252 628 p3 S+ 9:32AM 0:00.02 grep http
root 119 0.0 0.1 492 132 ?? Ss 5:34PM 0:14.02 /usr/local/www/server/httpd
nobody 120 0.0 0.2 536 180 ?? I 5:34PM 0:00.12 /usr/local/www/server/httpd
nobody 121 0.0 0.2 528 188 ?? I 5:34PM 0:00.08 /usr/local/www/server/httpd
nobody 122 0.0 0.1 492 88 ?? I 5:34PM 0:00.00 /usr/local/www/server/httpd
nobody 123 0.0 0.1 492 88 ?? I 5:34PM 0:00.00 /usr/local/www/server/httpd
nobody 124 0.0 0.1 492 88 ?? I 5:34PM 0:00.00 /usr/local/www/server/httpd
nobody 2009 0.0 0.2 536 188 ?? I 4:28AM 0:00.02 /usr/local/www/server/httpd
nobody 541 0.0 0.1 492 80 ?? I 6:04PM 0:00.00 /usr/local/www/server/httpd
This display shows 8 httpds (the usual number).
2. If you don't see anything above, check /etc/inetd.conf. If you
find a line beginning with http, then inetd is listening on http.
If that's not what you want, comment out the line (put a # in
front of it), and update inetd:
# ps aux | grep inetd
root 117 0.0 0.1 196 96 ?? Is 5:34PM 0:00.64 inetd
# kill -1 117
The 117 is the second field in the ps output
Greg
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