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From: Flik Shen <Flik_Shen@infosys.com>
To: JMeter Users List <jmeter-user@jakarta.apache.org>
Date: Fri, 23 Jul 2010 11:42:23 +0800
Subject: Re: GUI client might not reach server through SSH tunnel
Thread-Topic: GUI client might not reach server through SSH tunnel
Thread-Index: Acspg2A6rAplXRraRQK9pyY+ZI1aKQAla8YA
Message-ID: <C86F309F.2C65%Flik_Shen@infosys.com>
In-Reply-To: <4C481380.4090905@mpexnet.de>
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Hi=20Felix,

I=20think=20you're=20right=20that=20it=20is=20only=20simple=20routing=20m=
atter=20if=20remote=20server=20stands=20on=20public=20IP=20address.

Base=20on=20appearance=20of=20jmeter=20server,=20I=20guess=20the=20proces=
s=20of=20communication=20of=20jmeter=20client=20and=20server=20which=20is=
=20behind=20firewall=20might=20be=20like=20below.

=201.=20=20Jmeter=20client=20touches=20RMI=20server=20via=20tunnel.
=202.=20=20Jmeter=20client=20obtains=20information=20of=20jmeter=20server=
,=20like=20IP=20address,=20Server=20Listening=20Port=20and=20etc.
=203.=20=20Jmeter=20client=20creates=20new=20socket=20directly=20to=20ser=
ver=20according=20to=20IP=20address=20and=20port=20obtained.
=204.=20=20If=20it=20is=20successful=20to=20create=20socket,=20test=20pla=
n=20will=20be=20transferred=20to=20jmeter=20server,=20if=20not=20error=20=
will=20be=20logged.

My=20real=20concern=20is=20whether=20jmeter=20server=20is=20reachable=20w=
hen=20it=20stay=20on=20non-public=20IP=20address=20behind=20a=20firewall.
Which=20IP=20address=20Jmeter=20server=20registers=20itself=20in=20RMI=20=
server,=20its=20own=20one=20or=20the=20firewall's?
It=20might=20be=20unreachable=20when=20it=20uses=20its=20own.
Similarly,=20if=20I=20want=20keep=20information=20transition=20safe=20and=
=20using=20SSH=20tunnel,=20it=20might=20not=20work.

If=20anything=20is=20wrong,=20please=20correct=20me.

Thanks=20and=20best=20regards,
Flik


On=207/22/10=205:46=20PM,=20"Felix=20Frank"=20<ff@mpexnet.de>=20wrote:

Flik,

it=20sounds=20as=20though=20this=20were=20a=20rather=20simple=20matter=20=
of=20routing.=20Ask
your=20administrators=20whether=20the=20ports=20you=20need=20can=20be=20t=
reated=20in=20the
same=20way=20as=20SSH.=20That=20would=20be=20the=20most=20simple=20setup.

Otherwise,=20try=20the=20/etc/hosts=20on=20the=20server,=20I'm=20not=20su=
re=20whether=20this
can=20at=20all=20work,=20though.

Good=20Look
Felix

On=2007/22/2010=2011:35=20AM,=20Flik=20Shen=20wrote:
>=20Hi=20Felix,
>
>=20It=20is=20true=20that=20I=20could=20visit=20any=20service=20hosted=20=
on=20remote=20server=20ONLY=20after=20I=20have=20login=20via=20SSH.
>=20I=20am=20not=20very=20sure=20about=20what=20on=20earth=20happens.
>=20Maybe=20my=20company's=20firewall=20block=20my=20request=20to=20remot=
e=20server.
>=20Maybe=20my=20remote=20server=20is=20protected=20by=20firewall=20or=20=
something=20else.
>
>=20If=20my=20jmeter-server=20only=20has=20intranet=20IP=20and=20provide=
=20its=20services=20via=20Firewall=20tunnel.
>=20=20For=20client,=20is=20it,=20I=20wonder,=20still=20reachable?

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