[IDD #NUN-661415]: [ldm-users] Restoring Service after Firewall failure

Hi Phil,

Have your LDM/IDD feed issues been resolved yet?

Cheers,

Tom

Phil Birnie wrote to address@hidden: 
> Looking for a bit of help for our network administrators here.  Our
> firewall went down last Friday and our network admins are in the process
> of restoring it.  Nothing has been changed on our boxes (aside from a
> reboot once everything came back online), but we are still having issues
> getting data.   Before this outage, everything was working fine.   We're
> now getting "Access denied messages" from our upstream hosts... (details 
> below)
> 
> Any help is very much appreciated.
> 
> - Phil
> Dept. of Geography
> Ohio State University
> 
> 
> Our error logs are producing lots of the following:
> 
> May 21 21:24:34 twister2 idd.unidata.ucar.edu[7214] ERROR: Disconnecting due 
> to LDM failure; nullproc_6 failure to idd.unidata.ucar.edu; RPC: Unable to 
> receive; errno = Connection reset by peer
> May 21 21:24:34 twister2 idd.unidata.ucar.edu[7210] ERROR: Disconnecting due 
> to LDM failure; nullproc_6 failure to idd.unidata.ucar.edu; RPC: Unable to 
> receive; errno = Connection reset by peer
> May 21 21:24:34 twister2 idd.unidata.ucar.edu[7216] ERROR: Disconnecting due 
> to LDM failure; nullproc_6 failure to idd.unidata.ucar.edu; RPC: Unable to 
> receive; errno = Connection reset by peer
> May 21 21:24:35 twister2 stokes.metr.ou.edu[7211] NOTE: LDM-6 desired 
> product-class: 20120522012435.723 TS_ENDT {{FNEXRAD|FSL2|UNIDATA,  
> ".*"},{NONE,  "SIG=3aae7c983d94935a8aa158fa4f2de51e"}}
> May 21 21:24:35 twister2 stokes.metr.ou.edu[7211] ERROR: Disconnecting due to 
> LDM failure; nullproc_6 failure to stokes.metr.ou.edu; RPC: Unable to 
> receive; errno = Connection reset by peer
> 
> Running notifyme to all of our upstream feeds:
> 
> [ldm@twister2 etc]$ notifyme -vl- -f ANY -h flood.atmos.uiuc.edu
> May 22 02:20:50 notifyme[424] NOTE: Starting Up: flood.atmos.uiuc.edu: 
> 20120522022050.861 TS_ENDT {{ANY,  ".*"}}
> May 22 02:20:50 notifyme[424] NOTE: LDM-5 desired product-class: 
> 20120522022050.861 TS_ENDT {{ANY,  ".*"}}
> May 22 02:20:50 notifyme[424] INFO: Resolving flood.atmos.uiuc.edu to 
> 128.174.80.16 took 0.001245 seconds
> May 22 02:20:55 notifyme[424] ERROR: NOTIFYME(flood.atmos.uiuc.edu): 7: 
> Access denied by remote server
> 
> My first guess was that it was a nameserver issue as outlined in the 
> following thread or that port 388 was not properly opened.
> 
> https://www.unidata.ucar.edu/support/help/MailArchives/idd/msg05869.html
> 
> However, both forward and backward DNS queries look okay and port 388 appears 
> to be open.
> 
> Philips-MacBook-Pro:~ philbirnie$ nslookup twister2.sbs.ohio-state.edu
> Server:               192.168.1.1
> Address:      192.168.1.1#53
> 
> Non-authoritative answer:
> Name: twister2.sbs.ohio-state.edu
> Address: 128.146.194.17
> 
> Philips-MacBook-Pro:~ philbirnie$ nslookup 128.146.194.17
> Server:               192.168.1.1
> Address:      192.168.1.1#53
> 
> Non-authoritative answer:
> 17.194.146.128.in-addr.arpa   name = twister2.sbs.ohio-state.edu.
> 
> Authoritative answers can be found from:
> 146.128.in-addr.arpa  nameserver = ns2.net.ohio-state.edu.
> 146.128.in-addr.arpa  nameserver = ns1.net.ohio-state.edu.
> ns1.net.ohio-state.edu        internet address = 128.146.1.7
> ns2.net.ohio-state.edu        internet address = 128.146.48.7
> 
> Philips-MacBook-Pro:~ philbirnie$
> 
> 
> 
> 
> 
> 
> 
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> 

Cheers,

Tom
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Ticket Details
===================
Ticket ID: NUN-661415
Department: Support IDD
Priority: Normal
Status: Open