perfSONAR User Q&A and Other Discussion

["Uhl, George D. (GSFC-423.0)[SGT INC]" <>]

Thanks, but I’m still unable to reach ps-west or ps-east.

I’m very interested in the outcome of the investigation.  This a PS server that gets daily updates so it should be as secure as most PS servers.  

From: Sowmya Balasubramanian <>
Date: Friday, December 18, 2015 at 2:39 PM
To: George Uhl <>
Cc: "" <>
Subject: Re: [perfsonar-user] I cannot read ps-west or ps-east from my PS toolkit server

Hi George,

It seems like the ip was indeed getting blocked on ESnet end. We have granted access so the host should be able to reach ps-west now.

The reason for the block is unclear and ESnet is investigating it. I will let you know as soon as I have more information.

Regards,

Sowmya

On Fri, Dec 18, 2015 at 10:57 AM, Uhl, George D. (GSFC-423.0)[SGT INC] <> wrote:

I can no longer reach the simple LS bootstrap file from my PS toolkit server (enpl-pt1-10g.eos.nasa.gov).  From my LS  registration deamon log file:

2015/12/18 13:35:56 (6708) ERROR> LookupService.pm:73 perfSONAR_PS::Utils::LookupService::discover_lookup_services - Problem retrieving http://ps1.es.net:8096/lookup/activehosts.json: 500 Can't connect to ps1.es.net:8096 (connect: Connection timed out)

2015/12/18 13:35:56 (6708) ERROR> daemon.pl:167 main:: - Unable to determine ls_instance

From the CLI, I try a wget and it hangs.

# wget ps-west.es.net:8096/lookup/activehosts.json

--2015-12-18 13:41:11--  http://ps-west.es.net:8096/lookup/activehosts.json

Resolving ps-west.es.net... 198.128.151.11

Connecting to ps-west.es.net|198.128.151.11|:8096... 

If I re-IP my server to another address in the same subnet, I can reach ps-west.

# wget ps-west.es.net:8096/lookup/activehosts.json

--2015-12-18 13:52:52--  http://ps-west.es.net:8096/lookup/activehosts.json

Resolving ps-west.es.net (ps-west.es.net)... 198.128.151.11

Connecting to ps-west.es.net (ps-west.es.net)|198.128.151.11|:8096... connected.

HTTP request sent, awaiting response... 200 OK

Length: 559 [application/json]

Saving to: `activehosts.json.1'

100%[==============================================================================================================>] 559         --.-K/s   in 0s      

2015-12-18 13:52:52 (26.9 MB/s) - `activehosts.json.1' saved [559/559]

I ran a span port on the external interface of my border router and I see TCP SYN packets outbound to ps-west.es.net.  Is it possible that my IP 169.154.197.26 is being block or is getting blacklisted on ESNet???

Thanks,

George