How do I enable Port 80?

When I do a port scan of my server with Network Utility, port 80 doesn't show up. I can enable and disable port 80 on a client with Personal Web Sharing, but how do I enable it (what could possibly be disabling it?) under Mac OS Server 10.4.7?
The client and server are behind the same hardware firewall.

That's the problem. With no sites, Apache is not
listening to any interface... it's quite interesting
how Apache even started without any sites.
So, maybe you should have started out with, "Help,
cannot create any websites using ServerAdmin". What
are the steps you went through and what other
symptoms (Error messages, green/red lights, greyed
out options, etc.) are there?
Thanks for your interest, Celia. I started an earlier topic in the Web Services forum, "Can't see web pages on server, not even from the server", to which you posted a couple of times, but with 15 posts (none since Sept. 22) it seemed unmanageable.
So I zeroed in on one of my problems, hoping (in vain, apparently) to avoid chicken/egg issues.
Summary of my situation:
(1) when I try to add a site Apache gets SIGUSR1 and restarts
(2) When I do a Port Scan port 80 doesn't show up
(3) console.log contains
Server Admin[12080] * Assertion failure in -[NSTextFieldCell _objectValue:forString:errorDescription:], AppKit.subproj/NSCell.m:1298
(4) system.log contains
servermgrd: servermgr_dns: no name available via DNS for 10.10.1.40
servermgrd: servermgr_dns: no hostname set and unable to detect via DNS, services may not function properly - use changeip to repair
(5) configtest shows 4 'already added' warnings but syntax OK
(6) The sites dir contains
-rw-r--r-- 1 root wheel 1041 Mar 20 2005 0000any_80.conf.default
-rw-r--r-- 1 root wheel 533 Sep 21 16:47 virtualhostglobal.conf
-rw-r--r-- 1 root wheel 502 Mar 20 2005 virtualhostglobal.conf.default
The first file contains all finds of stuff but no Listen. The middle one contains only comments. The last, default one includes "Listen *:16080".
All I'm trying to do is get intranet access to the server so I can use a Mantis (needs MySQL & php) bug database.

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I have a new 11G install on OEL 4.0, database created. I would like to be
able to access the instance using the pl/sql gateway. Works fine with
port 8080, the default. How to I enable it to run on port 80?
I found this statement in the following docuementation:
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14259/xdb22pro.htm#ADXDB2500
Using HTTP(S) on Nonstandard Ports
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I stopped the listener, bounced the database, and started the listener again.
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Connected to:
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SYS>select dbms_xdb.gethttpport as "HTTP-Port" , dbms_xdb.getftpport as "FTP-Port" from dual;
HTTP-Port FTP-Port
8080 2100
At this point, I can access the apex home page with the following url:
http://hostname:8080/apex/f?p=4550:10:1454849288245548
I can than change it to port 80:
SYS>begin
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dbms_xdb.setftpport('2100');
end;
2 3 4 5
PL/SQL procedure successfully completed.
SYS>SYS>select dbms_xdb.gethttpport as "HTTP-Port" , dbms_xdb.getftpport as "FTP-Port" from dual;
HTTP-Port FTP-Port
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When I try to access apex with the following url:
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* Could the site be temporarily unavailable? Try again later.
* Are you unable to browse other sites? Check the computer's network connection.
* Is your computer or network protected by a firewall or proxy? Incorrect settings
* can interfere with Web browsing.I can set the port. Just can't talk to it.
This is the entry from the listener log:
<msg time='2008-07-03T15:40:09.741-06:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNOWN' level='16' host_id='hostname'
host_addr='xxx.xxx.xxx.xxx'>
<txt>TNS-12546: TNS:permission denied
TNS-12560: TNS:protocol adapter error
TNS-00516: Permission denied
Linux Error: 13: Permission denied
</txt>
</msg>
So this looks like an permissions problem. But where? I posted
this on the apex forum here:
Re: How can I enable embedded pl/sql gateway to run on port 80
They suggested asking here.

No, that thread did not provide the information that I need. Some more data:
I have the port set to 8080:
Connected to:
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SYS>select dbms_xdb.gethttpport as "HTTP-Port" , dbms_xdb.getftpport as "FTP-Port" from dual;
HTTP-Port FTP-Port
8080 2100
At this point, I can access the apex home page with the following url:
http://hostname:8080/apex/f?p=4550:10:1454849288245548
I can than change it to port 80:
SYS>begin
dbms_xdb.sethttpport('80');
dbms_xdb.setftpport('2100');
end;
2 3 4 5
PL/SQL procedure successfully completed.
SYS>SYS>select dbms_xdb.gethttpport as "HTTP-Port" , dbms_xdb.getftpport as "FTP-Port" from dual;
HTTP-Port FTP-Port
80 2100
When I try to access apex with the following url:
http://rmdcopslnx1.us.oracle.com/apex/f?p=4550:10:1454849288245548
I get the following:
Failed to Connect
Firefox can't establish a connection to the server at hostname.com.
Though the site seems valid, the browser was unable to establish a connection.
* Could the site be temporarily unavailable? Try again later.
* Are you unable to browse other sites? Check the computer's network connection.
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I can set the port. Just can't talk to it.

Ive damaged the aux in port and now the volume is locked. how can i enable my internal speakers?

ive damaged the aux in port and now the volume is locked. how can i enable my internal speakers?

rizmasterp,
Thsi not a lot of nfo to go on, nor have you included the OSX, model of you MBP. PLease post that so that anyone reading this might be able to offer some help, as well as some more info on "I've damaged my aux port.
That being said, all I can suggest is to go to system preferences>sound>output tab and see if you can select internal speakers.
With the info available all I would otherwise suggest is a pram reset:
Power off the MBP, Power back up holding option, command, P R (no commas) hold these immediatly afterpower up, contine to hold them till you hear the start chime 2 times then release. See if your speakers work.
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b How do I use Port Mapping?
(This document will assume that you are using and ABS/AEBS/AX as an internet router and have DHCP & NAT turned on.)
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Private IP : 10.0.1.201 (this is the computer hosting the web site)
Private Port : 80
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Public Port : 8080
Private IP : 10.0.1.201
Private Port : 80
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<a href="http://docs.info.apple.com/article.html?artnum=52002>"Designing AirPort Extreme Networks: Manuals</a>
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I had upgraded to Leopard recently and found that Leopard does not have procedures to enable specific ports like under Tiger.
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kann man "Remote Management" auf "enable" setzen
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Das Problem ist, dass der RV180 zwar "no-ip.com" ergänzt hat, aber andere Seiten wie die hier beschriebene und weit umfangreichere nicht:
http://www.blindhog.net/cisco-routers-and-dynamic-dns/
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How do I enable Port 80?

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