Okie let me check. No idea what's going wrong. Trying with different backend servers and all are getting 502.
On Thu, Dec 19, 2019, 6:48 PM Guillaume Quintard < [email protected]> wrote: > varnish doesn't generate 502s, that's your backend misbehaving. Again, > look at what you are sending to it using varnishlog, and understand what is > happening, but at this time, this is not a varnish issue. > -- > Guillaume Quintard > > > On Thu, Dec 19, 2019 at 1:59 PM Varun Nath <[email protected]> wrote: > >> I am getting 502 Operation not permitted error. The log is as below: >> >> ObjStatus 502 >> ObjReason Operation not permitted >> >> Sorry for the inconvenience 🙏 >> >> On Thu, Dec 19, 2019 at 6:15 PM Guillaume Quintard < >> [email protected]> wrote: >> >>> you need to understand what is going on why the backend is replying with >>> 403, then we can fix the vcl. >>> >>> -- >>> Guillaume Quintard >>> >>> >>> On Thu, Dec 19, 2019 at 1:18 PM Varun Nath <[email protected]> >>> wrote: >>> >>>> Thank You. Could you please confirm whether the VCL config I have >>>> shared if fine? >>>> >>>> On Thu, Dec 19, 2019 at 5:46 PM Guillaume Quintard < >>>> [email protected]> wrote: >>>> >>>>> check the backend transaction, and understand why your origin is >>>>> sending back a 403. This is due to your backend configuration and I can't >>>>> help you with that. >>>>> >>>>> -- >>>>> Guillaume Quintard >>>>> >>>>> >>>>> On Thu, Dec 19, 2019 at 1:03 PM Varun Nath <[email protected]> >>>>> wrote: >>>>> >>>>>> This is the VCL file am using: >>>>>> >>>>>> Note: Host is not a valid one >>>>>> >>>>>> vcl 4.0; >>>>>> import std; >>>>>> import directors; >>>>>> >>>>>> # Default backend definition. Set this to point to your content >>>>>> server. >>>>>> backend default { >>>>>> .host = "remote.host.com"; >>>>>> .port = "80"; >>>>>> } >>>>>> >>>>>> sub vcl_init { >>>>>> new vdir = directors.round_robin(); >>>>>> vdir.add_backend(default); >>>>>> } >>>>>> >>>>>> sub vcl_recv { >>>>>> unset req.http.proxy; >>>>>> unset req.http.cookie; >>>>>> set req.http.x-host = "http://remote.host.com";; >>>>>> set req.http.x-clientip = client.ip; >>>>>> set req.http.x-serverip = server.ip; >>>>>> set req.http.x-localip = local.ip; >>>>>> set req.http.x-remoteip = remote.ip; >>>>>> unset req.http.X-Forwarded-For; >>>>>> set req.http.x-forwarded-for = client.ip; >>>>>> return(pass); >>>>>> } >>>>>> >>>>>> sub vcl_backend_response { >>>>>> # Happens after we have read the response headers from the >>>>>> backend. >>>>>> # >>>>>> # Here you clean the response headers, removing silly Set-Cookie >>>>>> headers >>>>>> # and other mistakes your backend does. >>>>>> } >>>>>> >>>>>> sub vcl_deliver { >>>>>> # Happens when we have all the pieces we need, and are about to >>>>>> send the >>>>>> # response to the client. >>>>>> } >>>>>> >>>>>> Please let me know if I need to add something more to make the remote >>>>>> host caching from localhost varnish >>>>>> >>>>>> On Thu, Dec 19, 2019 at 5:05 PM Varun Nath <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> Hello, >>>>>>> I got some response via CURL. But getting 403 Forbidden message. Log >>>>>>> is as below: >>>>>>> * BerespStatus 403* >>>>>>> * BerespReason Forbidden* >>>>>>> Also tried setting >>>>>>> >>>>>>> *remove req.http.X-Forwarded-For;set req.http.x-forwarded-for = >>>>>>> client.ip;* >>>>>>> But didnt work. >>>>>>> Could you please share your thoughts? >>>>>>> >>>>>>> On Thu, Dec 19, 2019 at 3:00 PM Varun Nath <[email protected]> >>>>>>> wrote: >>>>>>> >>>>>>>> Thank You so much for your support. Will try this and let you know >>>>>>>> >>>>>>>> On Thu, Dec 19, 2019 at 2:49 PM Guillaume Quintard < >>>>>>>> [email protected]> wrote: >>>>>>>> >>>>>>>>> The backend portion of the vcl only handles the TCP part of the >>>>>>>>> equation. If your backend expect a specific host, you need to either >>>>>>>>> have >>>>>>>>> the client give it, or have varnish override it. >>>>>>>>> >>>>>>>>> Try curl -I localhost/your/file -H "host: >>>>>>>>> whatever.your.host.is.com" >>>>>>>>> >>>>>>>>> On Thu, Dec 19, 2019, 09:02 Varun Nath <[email protected]> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> Yes, I tried with http://locahost, but that is expected, right? >>>>>>>>>> since the backend server is configured in VCL file. Sorry if I am >>>>>>>>>> wrong >>>>>>>>>> >>>>>>>>>> On Thu, Dec 19, 2019 at 2:29 PM Guillaume Quintard < >>>>>>>>>> [email protected]> wrote: >>>>>>>>>> >>>>>>>>>>> Note: please keep the mailing list CC'd >>>>>>>>>>> >>>>>>>>>>> Check the host header you are sending to the backend. Usually, a >>>>>>>>>>> 404 arises because the URL and/or the host wrong. >>>>>>>>>>> >>>>>>>>>>> I'm thinking you possibly tested varnish requesting something >>>>>>>>>>> like http://localhost/your/test/file, but your backend isn't >>>>>>>>>>> configured to reply to the "localhost" host >>>>>>>>>>> >>>>>>>>>>> On Thu, Dec 19, 2019, 08:55 Varun Nath <[email protected]> >>>>>>>>>>> wrote: >>>>>>>>>>> >>>>>>>>>>>> Thanks again for the quick response. >>>>>>>>>>>> I have checked the log and getting the expected IP address in >>>>>>>>>>>> *BackendStart >>>>>>>>>>>> *parameter. Sorry I didnt get what you mean by you need to >>>>>>>>>>>> change *the host header before sending the request to the >>>>>>>>>>>> backend. *Could you please elaborate a little bit? >>>>>>>>>>>> >>>>>>>>>>>> On Thu, Dec 19, 2019 at 2:20 PM Guillaume Quintard < >>>>>>>>>>>> [email protected]> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Hi, >>>>>>>>>>>>> >>>>>>>>>>>>> Use varnishlog -b (with possibly -d) to see the backend >>>>>>>>>>>>> transactions and see what IP is being used (is it the right one). >>>>>>>>>>>>> It could >>>>>>>>>>>>> also be that you need to change the host header before sending >>>>>>>>>>>>> the request >>>>>>>>>>>>> to the backend. >>>>>>>>>>>>> >>>>>>>>>>>>> Cheers, >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> On Thu, Dec 19, 2019, 08:39 Varun Nath <[email protected]> >>>>>>>>>>>>> wrote: >>>>>>>>>>>>> >>>>>>>>>>>>>> Hello, >>>>>>>>>>>>>> I need to connect to a remote host from local VCL config >>>>>>>>>>>>>> file. I have added the backend config as below >>>>>>>>>>>>>> >>>>>>>>>>>>>> backend default { >>>>>>>>>>>>>> .host = "remote.host.com"; >>>>>>>>>>>>>> } >>>>>>>>>>>>>> >>>>>>>>>>>>>> But am getting Page not available message. Do I miss >>>>>>>>>>>>>> something? >>>>>>>>>>>>>> Thanks in advance >>>>>>>>>>>>>> >>>>>>>>>>>>>> -- >>>>>>>>>>>>>> VARUN NATH A V >>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>> varnish-misc mailing list >>>>>>>>>>>>>> [email protected] >>>>>>>>>>>>>> >>>>>>>>>>>>>> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>>> VARUN NATH A V >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> VARUN NATH A V >>>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> VARUN NATH A V >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> VARUN NATH A V >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> VARUN NATH A V >>>>>> >>>>> >>>> >>>> -- >>>> VARUN NATH A V >>>> >>> >> >> -- >> VARUN NATH A V >> >
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