Re: WEB polygraph with a proxy on Solaris

On Thu, 7 Sep 2000, Kalpana Ravinarayanan wrote:

> could be a dns/hostname lookup problem .. check the proxy logs to see if it 
> is able to resolve the server address. sometimes happens with hostname 
> aliases and internal IPs that dns doesnt know abt.

Polygraph does not use domain names yet, only IP addresses. DNS support
will probably be added soon after the upcoming cache-off.

Alex.
 
> -- kalpana.
> 
> At 10:45 AM 9/7/00 -0600, you wrote:
> >Srikanth,
> >
> >         If you log in to the Solaris proxy box during the test, can you
> >telnet to one of the Polygraph servers? For example, if a Polygraph
> >server is running on 10.0.0.1 port 8080, try
> >         proxy> ping 10.0.0.1
> >         proxy> telnet 10.0.0.1 8080
> >
> >I bet at least one of the above commands will not work. You can then
> >debug the situation with tcpdump, netstat, etc.
> >
> >Based on your console output, it looks like Polygraph clients submits
> >requests to the proxy but receives no responses.
> >
> >Alex.
> >
> >
> >On Thu, 7 Sep 2000, Srikanth NS wrote:
> >
> > > Hi All
> > >
> > > I have been running the web polygraph tests against
> > > a proxy running on Solaris.  The polyclt and polysrv
> > > are running on FreeBSD boxes.  I'm using an IP alias
> > > on the Solaris 2.6 box.   Everything runs fine.
> > >
> > > When I try to run polygraph against a different
> > > Solaris 2.6 box nothing works.  The two Solaris boxes
> > > are identical, have the latest patches etc.  Other
> > > commands like telnet, ping etc work like magic.
> > >
> > > I checked all the TCP/IP settings on both the machines
> > > and they are identical.  Routing is fine since telent
> > > and ping are working.
> > >
> > > I used snoop to check on the packets and saw that the
> > > communication between polyclt and proxy was ok, but
> > > there was no communication between the proxy and
> > > polysrv.
> > >
> > > I'm now stumped and cannot understand how it would
> > > work on a few Solaris boxes and not others.  Have any
> > > of you
> > > encountered problems like this ? I would appreciate
> > > any hints
> > >
> > >
> > > The polyclt output
> > > 000.12| i-warm      0   0.00     -1  -1.00   0   21
> > > 000.21| i-warm      0   0.00     -1  -1.00   0   48
> > > 000.29| i-warm      0   0.00     -1  -1.00   0   84
> > > 000.37| i-warm      0   0.00     -1  -1.00   0  136
> > > 000.46| i-warm      0   0.00     -1  -1.00   0  194
> > > 000.54| i-warm      0   0.00     -1  -1.00   0  241
> > >
> > > The polysrv output
> > > 000.12| i-warm      0   0.00     -1  -1.00   0  552
> > > 000.20| i-warm      0   0.00     -1  -1.00   0  552
> > > 000.28| i-warm      0   0.00     -1  -1.00   0  552
> > > 000.37| i-warm      0   0.00     -1  -1.00   0  552
> > > 000.45| i-warm      0   0.00     -1  -1.00   0  552
> > > 000.53| i-warm      0   0.00     -1  -1.00   0  552
> > > 000.62| i-warm      0   0.00     -1  -1.00   0  552
> > >
> > >
> > > thanX
> > > -Srikanth
> > >
> > >
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> 
>