[LON-CAPA-admin] Can't access published resources

Ken Hoegeman ken.hoegeman at gmail.com
Thu Dec 12 11:22:37 EST 2013


The packet filters for those ports had been setup previously


On Thu, Dec 12, 2013 at 11:14 AM, Stefan Bisitz <st.bisitz at ostfalia.de>wrote:

> Should be port 5663 for the LON-CAPA network communication?!
>
> Stefan Bisitz
>
>
> Am 12.12.2013 17:09 schrieb Ken Hoegeman:
>
>> Ok,  I set up a separate packet filter (port 80) on the firewall for
>> this server only and configured it to set the source IP to 66.51.156.71.
>>
>> I am still getting these log messages.  Can you check your logs again to
>> make sure my firewall is forwarding on the correct IP address now?
>>
>> Thanks
>>
>> Ken
>>
>> Thu Dec 12 11:03:31 2013 (1396): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/acadiau/aaleksejevs/Assignment
>> 6.page</font>
>>
>> Thu Dec 12 11:03:32 2013 (1396): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/PDI520 membrane
>> potential_Auto_Cleaned_Up.problem.meta</font>
>>
>> Thu Dec 12 11:03:32 2013 (1399): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/PDI520 membrane
>> potential_Auto_Cleaned_Up.problem</font>
>>
>> Thu Dec 12 11:03:33 2013 (1399): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/PDI520 membrane
>> potential_Auto_Cleaned_Up.problem</font>
>>
>> Thu Dec 12 11:03:36 2013 (1394): <font color="blue">WARNING: LWP get:
>> 403 Forbidden:
>> /home/httpd/html/res/msu/msu-domainconfig/domlogo/msu.gif</font>
>>
>> Thu Dec 12 11:03:37 2013 (1394): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/Calc 1 - pills/Cat -
>> acetaminophen.problem.meta</font>
>>
>> Thu Dec 12 11:03:37 2013 (1393): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/Calc 1 - pills/Cat -
>> acetaminophen.problem</font>
>>
>> Thu Dec 12 11:03:37 2013 (1393): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/Calc 1 - pills/Cat -
>> acetaminophen.problem</font>
>>
>> Thu Dec 12 11:03:38 2013 (1394): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/Calc 1 - pills/Dog -
>> Adderall.problem.meta</font>
>>
>> Thu Dec 12 11:03:38 2013 (1395): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/Calc 1 - pills/Dog -
>> Adderall.problem</font>
>>
>> Thu Dec 12 11:03:38 2013 (1395): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/Calc 1 - pills/Dog -
>> Adderall.problem</font>
>>
>> Thu Dec 12 11:03:43 2013 (1397): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/Calc 1 - pills/Dog -
>> Adderall.problem</font>
>>
>> Thu Dec 12 11:03:43 2013 (1397): <font color="blue">WARNING: LWP get:
>> 403 Forbidden: /home/httpd/html/res/msu/hegg/Calc 1 - pills/Dog -
>> Adderall.problem</font>
>>
>>
>>
>> On Thu, Dec 12, 2013 at 9:22 AM, Stuart Raeburn <raeburn at msu.edu
>> <mailto:raeburn at msu.edu>> wrote:
>>
>>     Hi,
>>
>>     You are seeing 403 (Forbidden) responses when attempting to
>>     replicate resources from other servers in the LON-CAPA network
>>     because of a mismatch between the IP address advertised by the LWP
>>     request originating from your server, and the IP address resolved
>>     from the hostname for your LON-CAPA server provided in the
>>     authoritative list of LON-CAPA member servers.
>>
>>     Your server is: lhsalc.lhsa.com <http://lhsalc.lhsa.com> which
>>
>>     resolves to: 66.51.156.71
>>
>>     However, the requests originating from your server are identified as
>>     originating from your firewall.
>>
>>     Reverse look-up for 66.51.156.76 reports that this IP is a pointer
>>     to: firewall.lhsa.com <http://firewall.lhsa.com>
>>
>>
>>     The Apache error log files on the remote server contain entries such
>> as:
>>
>>     [error] access to /raw/msu/msu-domainconfig/__domlogo/msu.gif failed
>>
>>     for 66.51.156.76, reason: Unable to find a host for 66.51.156.76
>>
>>     The handler routine in /home/httpd/lib/perl/Apache/lo__nracc.pm
>>     <http://lonracc.pm> on the MSU side which limits access to URLs
>>
>>     beginning /raw/ to only those servers known to belong to the
>>     LON-CAPA network is returning a FORBIDDEN (403 return code) from the
>>     following code:
>>
>>     my $reqhost = $r->get_remote_host(REMOTE___NOLOOKUP);
>>     my @hostids= &Apache::lonnet::get_hosts___from_ip($reqhost);
>>
>>
>>     This occurs in cases where $reqhost is not the IP address of a known
>>     LON-CAPA server.
>>
>>     In this case, $reqhost -- from
>>     $r->get_remote_host(REMOTE___NOLOOKUP) -- is 66.51.156.76, which
>>
>>     does not correspond to a known server, since 66.51.156.71 is the
>>     expected IP for (which resolves to: lhsalc.lhsa.com
>>     <http://lhsalc.lhsa.com>), hence the message "Unable to find a host".
>>
>>
>>
>>     Stuart Raeburn
>>     LON-CAPA Academic Consortium
>>
>>
>>
>>     Quoting Ken Hoegeman <ken.hoegeman at gmail.com
>>     <mailto:ken.hoegeman at gmail.com>>:
>>
>>
>>         When browsing published resources I get file not found messages
>>         and my
>>         lonnet.log is full f these lines:
>>
>>         The folder structure is there on our server, just non of the files
>>
>>         Any suggestions would be appreciated.
>>
>>         Thanks
>>
>>         Ken Hoegeman
>>
>>         Wed Dec 11 14:35:05 2013 (22753): Trying to reconnect lonc for
>>         msul1 (
>>         s10.lite.msu.edu <http://s10.lite.msu.edu>)
>>
>>
>>         Wed Dec 11 14:35:11 2013 (22743): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/msu/msu-__domainconfig/domlogo/msu.gif<
>> /__font>
>>
>>
>>         Wed Dec 11 14:35:13 2013 (22744): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/msu/msu-__domainconfig/domlogo/msu.gif<
>> /__font>
>>
>>
>>         Wed Dec 11 14:35:15 2013 (22745): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/msu/msu-__domainconfig/domlogo/msu.gif<
>> /__font>
>>
>>
>>         Wed Dec 11 14:35:16 2013 (22746): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/msu/msu-__domainconfig/domlogo/msu.gif<
>> /__font>
>>
>>
>>         Wed Dec 11 14:35:17 2013 (22746): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sc/__gblanpied/courses/chemistry/__
>> thedump_chemistry.sequence.__meta</font>
>>
>>
>>         Wed Dec 11 14:35:17 2013 (22745): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sc/__gblanpied/courses/chemistry/__
>> thedump_chemistry.sequence.__meta</font>
>>
>>
>>         Wed Dec 11 14:35:17 2013 (22746): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/msu/__ciskepau/CHEMISTRY/chap6/__
>> bondtype2.problem.meta</font>
>>
>>
>>         Wed Dec 11 14:35:18 2013 (22745): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/msu/__ciskepau/CHEMISTRY/chap6/__
>> bondtype2.problem.meta</font>
>>
>>
>>         Wed Dec 11 14:35:18 2013 (22745): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sfu/__batchelo/chem111/problems/__
>> lecture/set4/E.N.pairs.__problem.meta</font>
>>
>>
>>         Wed Dec 11 14:35:19 2013 (22745): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sfu/__batchelo/chem111/problems/__
>> lecture/set4/molecular.geom.I.__problem.meta</font>
>>
>>
>>         Wed Dec 11 14:35:19 2013 (22746): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sfu/__batchelo/chem111/problems/__
>> lecture/set4/E.N.pairs.__problem.meta</font>
>>
>>
>>         Wed Dec 11 14:35:19 2013 (22745): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/msu/__ciskepau/CHEMISTRY/chap6/__
>> ionformula.problem.meta</font>
>>
>>
>>         Wed Dec 11 14:35:19 2013 (22746): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/msu/__ciskepau/CHEMISTRY/chap6/__
>> ionformula.problem.meta</font>
>>
>>
>>         Wed Dec 11 14:35:20 2013 (22745): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sfu/__batchelo/chem111/problems/__
>> lecture/set4/bond.__classification.problem.meta</__font>
>>
>>
>>         Wed Dec 11 14:35:20 2013 (22746): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sfu/__batchelo/chem111/problems/__
>> lecture/set4/bond.__classification.problem.meta</__font>
>>
>>
>>         Wed Dec 11 14:35:20 2013 (22745): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sfu/__batchelo/chem111/problems/__
>> lecture/set4/molecular.geom.__II.problem.meta</font>
>>
>>
>>         Wed Dec 11 14:35:20 2013 (22746): <font color="blue">WARNING:
>>         LWP get: 403
>>         Forbidden:
>>         /home/httpd/html/res/sfu/__batchelo/chem111/problems/__
>> lecture/set4/molecular.geom.__II.problem.meta</font>
>>
>>
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