[vox-tech] firewall issue?

[Hai Yi]

thanks Troy.
I tried to allow that port open and update the firewall table.
However, no luck so far; I'll look a little deeper into this utility.

Will let you guys know,

Thanks,
Hai


On Thu, Jun 4, 2009 at 6:50 PM, Troy Arnold <troy-vox at zenux.net> wrote:
> On Thu, Jun 04, 2009 at 06:16:54PM -0400, Hai Yi wrote:
>> hello there:
>>
>> I have installed a jboss instance on my linux/ubuntu, and i changed
>> its server port to 9080 to avoid a conflict with my http apache
>> server.
>>
>> I can see the jboss welcome page from the browser by typing
>> "http://localhost:9080/", but i couldn't see it from another Windows
>> machine in the intranet ("http://zodiac:9080"), I can see the apache
>> page ("http://zodiac/") though.
>>
>> I guess it's because the firewall rule set on the linux machine
>> fitering out incoming package other than port 80. I think it has sth
>> to do with iptables, is my guess correct? If so, how may I see those
>> rules and change them?
>
> The raw command to see your firewall rules is:
> iptables -L -n
>
> However, since you don't have a recollection of setting up a firewall, I'm
> going to guess that Ubuntu's default firewall, ufw, is managing your
> iptables configuration.
>
> I'm not very familiar with it, but if the command 'ufw status' returns
> something other than 'inactive' then
> sudo ufw allow 9080
> should make that port available.
>
> A safer way of doing that is to limit access to hosts on your LAN:
> sudo ufw allow proto tcp from 192.168.0.0/24 to any port 9080
>
> Obviously, adjust the "from" for your network numbers.
>
> Everything I just wrote came from here:
> https://wiki.ubuntu.com/UbuntuFirewall
> At the bottom of this page under more information are ufw guides for recent
> Ubuntu releases.
>
> -t
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