Re: [webmin-l] Webmin servers ("Error - Missing Content-Type Header")

I added debugging and clicked on the slave server in Webmin Server Index 
the log says this on the SLAVE:

main: Starting handle_request loop pid=24389
handle_request: from a1.a2.a3.a4 to b1.b2.b3.b4 ipv6=0
handle_request: passed IP checks
handle_request: passed timeout check
handle_request reqline=
handle_request: invalid reqline=
main: Done handle_request loop pid=24389
main: inline EOF

Then I did the same thing on the MASTER and once again clicked the same 
Webmin Server SLAVE server link, and got this on the MASTER:

handle_request: passed timeout check
handle_request reqline=GET /servers/link.cgi/1461056044/ HTTP/1.1
handle_request: got headline Host: a1.a2.a3.a4.se:10000
handle_request: got headline User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux 
x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
handle_request: got headline Accept: 
text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
handle_request: got headline Accept-Language: en-US,en;q=0.5
handle_request: got headline Accept-Encoding: gzip, deflate, br
handle_request: got headline Referer: https://a1.a2.a3.a4.se:10000/servers/
handle_request: got headline Cookie: redirect=0; testing=1; 
sid=35b2115b9ad0e7740f20dac7f47834c9
handle_request: got headline Connection: keep-alive
handle_request: Need authentication
main: inline verify 35b2115b9ad0e7740f20dac7f47834c9 0 62.220.191.50
can_user_login: Validate with PAM
handle_request: page=/servers/link.cgi/1461056044/ 
simple=/servers/link.cgi/1461056044
handle_request: initial full=
handle_request: full=/usr/share/webmin/servers/link.cgi
handle_request: executing CGI
REMOTE_USER = MyAdminUser
BASE_REMOTE_USER = root
proto= id=
http_error code=500 message=Missing Content-Type Header body=
main: inline EOF
handle_request: passed timeout check
handle_request reqline=
handle_request: invalid reqline=
main: inline EOF


I can logon to b1.b2.b3.b4 (SLAVE) server to Webmin just fine using 
"root" and the same password specified on the master server.


-joho





On 2016-04-22 09:35, Joaquim Homrighausen wrote:
>
> Any idea ... ?
>
>
> On 2016-04-19 10:52, Joaquim Homrighausen wrote:
>> On one of our Master DNS servers, running Webmin, we see this when 
>> trying to connect to one of the slaves by clicking on it:
>>
>> "Error - Missing Content-Type Header" on a blank page.
>>
>> This slave has been re-installed, but I've double checked the 
>> configuration compared to the other slaves and it's identical (apart 
>> from IP, hostname, etc). The slave was upgraded to Debian 8 yesterday 
>> and given a new root password, etc. But another server that was 
>> upgraded to Debian 8 last week works just fine in the same place(s).
>
>
>
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your business applications. It resolves application problems quickly and
reduces your MTTR. Get your free trial!
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