[CentOS] Starting the gotour server on CentOS 6

[Evan Rowley]

zep, you nailed it.

It was exactly iptables that caused the issue for me.

Thanks. You rock!


On Fri, Apr 18, 2014 at 1:20 PM, zep <zgreenfelder at gmail.com> wrote:

>
> On 04/18/2014 01:13 PM, Evan Rowley wrote:
> > Hey CentOS folks!
> >
> > I have an interesting issue with starting a server on a CentOS 6 KVM
> guest.
> > The server (service) in particular is gotour, which is a web application
> > created by Google and their Golang developers, intended to teach users
> the
> > basics of using the Go programming langauge.
> >
> > When starting gotour, the program claims to be binding to port 12049, but
> > the VM doesn't seem to be serving anything on that port. Upon checking
> the
> > netstat output, I see a process bound to port 12049.
> >
> > It is definitley possible that the problem is with Go itself, but I'd
> like
> > to rule out the possibility that something on an out-of-the-box CentOS 6
> > image might be preventing the server from working.
> >
> > Here is some of the output:
> >
> > [appengine at centos6-paas-dev gotour]$ gotour
> > 2014/04/17 22:04:33 Serving content from
> > /home/appengine/goprojects/firstproj/go/src/code.google.com/p/go-tour
> > 2014/04/17 22:04:33
> > WARNING!  WARNING!  WARNING!
> > I appear to be listening on an address that is not localhost.
> > Anyone with access to this address and port will have access
> > to this machine as the user running gotour.
> > If you don't understand this message, hit Control-C to terminate this
> > process.
> > WARNING!  WARNING!  WARNING!
> > 2014/04/17 22:04:34 Please open your web browser and visit
> > http://10.10.10.205:12049
> >
> > [root at centos6-paas-dev ~]# netstat -pnaevZ
> > Proto Recv-Q Send-Q Local Address               Foreign Address
> > State     User       Inode      PID/Program name    Security Context
> > ...
> > tcp        0      0 10.10.10.205:12049         0.0.0.0:*
> > LISTEN     505        224898     9331/gotour
> > fined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
> >
> > [appengine at centos6-paas-dev gotour]$ getenforce
> > Permissive
> >
> > Any ideas
> iptables -L ?   do you have the local firewall running?
> 'service iptables stop', test, but don't leave it that way.
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-- 
 - EJR