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How to monitor this Internet public IP of internalFTP server

2 messages in this thread

list Case · Fri, 4 Apr 2008 19:20:39 +0800 ·
Thanks!

Regards,
Case
----- Original Message ----- From: "Henrik Stoerner" <user-ce4a2c883f75@xymon.invalid>
To: <user-ae9b8668bcde@xymon.invalid>
Sent: Thursday, April 03, 2008 4:54 PM
Subject: Re: [hobbit] How to monitor this Internet public IP of internalFTP server

On Wed, Apr 02, 2008 at 08:21:32PM +0800, casedj wrote:
We have an internal FTP server that's NATed via Cisco's PIX firewall, so it has a Internet public IP and offers public access.

But some people complain that FTP server is not stable. Depending on internal access (to its internal IP of FTP server), it seems ok. But we can't access its Internet public IP from internal network.

There maybe several possible causes, e.g. carrier's line quality, DNS resolution, etc. We want to monitor its Internet public IP of FTP server to check what the root cause is, how?
More of a network issue than a Hobbit one, really.

What I do is to have a Hobbit network probe running on a DSL connection
from home, just looking at the publicly available services. Anything
sitting on a public IP can be used, really.


Henrik

list Josh Luthman · Fri, 4 Apr 2008 08:34:28 -0400 ·
I'm not sure what the goal is here judging by Case's and Henrik's post but
if it's to ensure the connectivity to your ISP is still good I would suggest
using the first hop out.  That is the second hop on your traceroute to
google.com.
quoted from Case

On Fri, Apr 4, 2008 at 7:20 AM, case <user-a24132ff3b57@xymon.invalid> wrote:
Thanks!

Regards,
Case
----- Original Message -----
From: "Henrik Stoerner" <user-ce4a2c883f75@xymon.invalid>
To: <user-ae9b8668bcde@xymon.invalid>
Sent: Thursday, April 03, 2008 4:54 PM
Subject: Re: [hobbit] How to monitor this Internet public IP of
internalFTP server

On Wed, Apr 02, 2008 at 08:21:32PM +0800, casedj wrote:
We have an internal FTP server that's NATed via Cisco's PIX firewall,
so it has a Internet public IP and offers public access.

But some people complain that FTP server is not stable. Depending on
internal access (to its internal IP of FTP server), it seems ok. But we
can't access its Internet public IP from internal network.

There maybe several possible causes, e.g. carrier's line quality, DNS
resolution, etc. We want to monitor its Internet public IP of FTP server to
check what the root cause is, how?
More of a network issue than a Hobbit one, really.

What I do is to have a Hobbit network probe running on a DSL connection
from home, just looking at the publicly available services. Anything
sitting on a public IP can be used, really.


Henrik

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