Thank all for response. 

I loged on as root and changed server.xml to use port
80. When I start tomcat, it now compained that "80 is
already in use". But I can not find out who is using
it. I ran "netstat -a", but I did not see anything
like "80". Should I look at something else? 

I also tried "telnet localhost 80", I got 
  [EMAIL PROTECTED] telnet localhost 80
  Trying 127.0.0.1...
  Connected to localhost.localdomain (127.0.0.1).
  Escape character is '^]'.

And it hang on there. I type in 
   GET index.html HTTP/1.1
After a couple minutes, I got a "400 bad request" from
"Apache/2.0.46". Looks like I have apache running. How
can I stop the apache server? 

I am using linux. 

We are still in the developing stage and all users are
internal. Thus, security is not a concern right now. 



--- Timo -Blazko- Boewing <[EMAIL PROTECTED]>
wrote:

> On Tue, 2005-06-21 at 18:54 +0200, mario nee wrote:
> > in Unix system you must have root permission to
> open a port under 1024.
> > 
> 
> Hello,
> 
> While this is right, I would not recommend to run
> Tomcat as root. Better
> run Tomcat with another port just like the default
> 8080 and use a
> firewall application such as iptables to internally
> forward incoming
> requests to port 8080; thus you avoid dangerous
> exploits in Tomcat's
> webapps.
> 
> It can be done w/ something similar to this:
> 
> iptables -t nat -A PREROUTING -i eth0 -p tcp --dport
> 80 -j REDIRECT
> --to-port 8080
> 
> 
> -- 
> greetings,                   |  /"\ 
>                              |  \ / 
> ASCII-Ribbon-Campaign
> Timo                         |   X     Against HTML
> Mail
>                              |  / \ 
> 
> 
> 
>
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