Re: [thredds] TDS and HTTPS

Our problem is we have services used by 100’s of people in scripts, and this 
will likely break them all, as in many languages even f there is a redirect, 
the script can’t handle the response.

-roy
> On Dec 22, 2015, at 12:09 PM, Gerry Creager - NOAA Affiliate 
> <gerry.creager@xxxxxxxx> wrote:
> 
> Just to touch on the subject of exemptions, We've tried and been denied. 
> We're encrypting everything. No, scientific data use cases were not 
> considered, but that's not done us much good to date.
> 
> Gerry
> 
> On Fri, Dec 18, 2015 at 1:05 PM, Antonio S. Cofiño <cofinoa@xxxxxxxxx> wrote:
> AJP protocol is configured ProxyPass using the mod_proxy_ajp
> ProxyPass /app ajp://backend.example.com:8009/app
> 
> may be you mean using a directly the http protocol for proxying the backend
> ProxyPass /app http://backend.example.com:8080/app
> 
> ajp, is more convenient because simplify the things and make transparent the 
> proxying process to tomcat connector, i.e. the info about the SSL connection 
> between the frontend and client. 
> 
> Here there is some doc:
> https://tomcat.apache.org/connectors-doc/common_howto/proxy.html
> 
> http protocol, can be also repleace ajp, but you need to make some "plumbing" 
> with HTTP headers and tomcat connectors
> 
> Antonio
> 
> El 18/12/2015 a las 19:39, Guan Wang escribió:
>> Hi John,
>> 
>>  
>> Is AJP having any advantage particularly over ProxyPass?
>> 
>>  
>> Thanks,
>> 
>>  
>> Guan
>> 
>>  
>> From: thredds-bounces@xxxxxxxxxxxxxxxx 
>> [mailto:thredds-bounces@xxxxxxxxxxxxxxxx] On Behalf Of John Caron
>> Sent: Friday, December 18, 2015 12:56 PM
>> To: James Gallagher
>> Cc: THREDDS THREDDS
>> Subject: Re: [thredds] TDS and HTTPS
>> 
>>  
>> I agree, an Apache front end is a simple and standard thing to do.
>> 
>>  
>> AFAIU, the user still is using SSL encryption, its just that Apache is doing 
>> that instead of Tomcat. So it would be good for any of us to make some 
>> measurements comparing large binary data transfers.
>> 
>>  
>> On Fri, Dec 18, 2015 at 10:42 AM, James Gallagher <jgallagher@xxxxxxxxxxx> 
>> wrote:
>> 
>>  
>> On Dec 18, 2015, at 9:06 AM, Steve Ansari - NOAA Federal 
>> <steve.ansari@xxxxxxxx> wrote:
>> 
>>  
>> Sure - I'll follow up offline.
>> 
>>  
>> Steve
>> 
>>  
>>  
>> On Fri, Dec 18, 2015 at 11:04 AM, Roy Mendelssohn - NOAA Federal 
>> <roy.mendelssohn@xxxxxxxx> wrote:
>> 
>> Hi Steve
>> 
>> I was hoping that would work.  That any proxying, whether AJP or other, 
>> would be hidden.  I have had problems in the past getting AJP proxying to 
>> work, if I need to do that.  Can  you send me (offline) the part of you 
>> httpd.conf where you proxy over to tomcat using AJP?
>> 
>>  
>> We have had good success using Apache & AJP. Apache as a front end provides 
>> a number of options, particularly WRT authentication and this might provide 
>> for a compromise should HTTPS be too much of a bottle neck. I have not 
>> tested the impact of HTTPS compared to HTTP (it would be easy enough to do 
>> using simple file transfers).
>> 
>>  
>> James
>> 
>> 
>> 
>> 
>> Thanks,
>> 
>> -Roy
>> 
>> 
>> > On Dec 18, 2015, at 7:59 AM, Steve Ansari - NOAA Federal 
>> > <steve.ansari@xxxxxxxx> wrote:
>> >
>> > Hey Roy,
>> >
>> > We are using Apache to handle all the HTTPS stuff.  Apache then forwards 
>> > requests to Tomcat and TDS using AJP.
>> > https://tomcat.apache.org/tomcat-7.0-doc/config/ajp.html
>> >
>> > Our TDS:
>> > https://www.ncdc.noaa.gov/thredds/catalog.html
>> >
>> >
>> > Steve
>> >
>> >
>> > On Fri, Dec 18, 2015 at 10:29 AM, Roy Mendelssohn - NOAA Federal 
>> > <roy.mendelssohn@xxxxxxxx> wrote:
>> > Hi All:
>> >
>> > As I hope you know, the Federal government is required to migrate to https 
>> > for all services in the next1.5 years.  My question is can the TDS work 
>> > with https? If so, can you point me to any documents or what changes, if 
>> > any, need to be made to use https.  If not, are there plans to incorporate 
>> > this ability into TDS?
>> >
>> > Thanks,
>> >
>> > -Roy
>> >
>> >
>> >
>> > **********************
>> > "The contents of this message do not reflect any position of the U.S. 
>> > Government or NOAA."
>> > **********************
>> > Roy Mendelssohn
>> > Supervisory Operations Research Analyst
>> > NOAA/NMFS
>> > Environmental Research Division
>> > Southwest Fisheries Science Center
>> > ***Note new address and phone***
>> > 110 Shaffer Road
>> > Santa Cruz, CA 95060
>> > Phone: (831)-420-3666
>> > Fax: (831) 420-3980
>> > e-mail: Roy.Mendelssohn@xxxxxxxx www: http://www.pfeg.noaa.gov/
>> >
>> > "Old age and treachery will overcome youth and skill."
>> > "From those who have been given much, much will be expected"
>> > "the arc of the moral universe is long, but it bends toward justice" -MLK 
>> > Jr.
>> >
>> > _______________________________________________
>> > thredds mailing list
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>> > For list information or to unsubscribe,  visit: 
>> > http://www.unidata.ucar.edu/mailing_lists/
>> >
>> >
>> >
>> > --
>> > Steve Ansari
>> > Physical Scientist
>> > NOAA National Centers for Environmental Information (NCEI)
>> > (828) 271-4611
>> >
>> > The newly formed NCEI merges the National Oceanographic Data Center 
>> > (NODC), the National Climatic Data Center (NCDC), and the National 
>> > Geophysical Data Center (NGDC).
>> 
>> **********************
>> "The contents of this message do not reflect any position of the U.S. 
>> Government or NOAA."
>> **********************
>> Roy Mendelssohn
>> Supervisory Operations Research Analyst
>> NOAA/NMFS
>> Environmental Research Division
>> Southwest Fisheries Science Center
>> ***Note new address and phone***
>> 110 Shaffer Road
>> Santa Cruz, CA 95060
>> Phone: (831)-420-3666
>> Fax: (831) 420-3980
>> e-mail: Roy.Mendelssohn@xxxxxxxx www: http://www.pfeg.noaa.gov/
>> 
>> "Old age and treachery will overcome youth and skill."
>> "From those who have been given much, much will be expected"
>> "the arc of the moral universe is long, but it bends toward justice" -MLK Jr.
>> 
>> 
>> 
>>  
>> --
>> 
>> Steve Ansari
>> 
>> Physical Scientist
>> 
>> NOAA National Centers for Environmental Information (NCEI)
>> 
>> (828) 271-4611
>> 
>>  
>> The newly formed NCEI merges the National Oceanographic Data Center (NODC), 
>> the National Climatic Data Center (NCDC), and the National Geophysical Data 
>> Center (NGDC).
>> 
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>> 
>>  
>> --
>> 
>> James Gallagher
>> jgallagher@xxxxxxxxxxx
>> 
>>  
>> 
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>> 
>>  
>> 
>> 
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> 
> 
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> 
> 
> -- 
> Gerry Creager
> NSSL/CIMMS
> 405.325.6371
> ++++++++++++++++++++++
> “Big whorls have little whorls,
> That feed on their velocity; 
> And little whorls have lesser whorls, 
> And so on to viscosity.” 
> Lewis Fry Richardson (1881-1953)
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**********************
"The contents of this message do not reflect any position of the U.S. 
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
***Note new address and phone***
110 Shaffer Road
Santa Cruz, CA 95060
Phone: (831)-420-3666
Fax: (831) 420-3980
e-mail: Roy.Mendelssohn@xxxxxxxx www: http://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."
"From those who have been given much, much will be expected" 
"the arc of the moral universe is long, but it bends toward justice" -MLK Jr.



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