Thank you both for your help!

I have tried to embed a URI encoded username and password in the HTTP_PROXY setting but still did not work.

I have managed to find an alternative proxy by talking to the network department that does not require authentication!

So now "stack upgrade" works for me too!

I will continue with this workaround for now ...

many thanks!

Nikos

On Wed, Mar 21, 2018 at 6:05 AM, Yuji Yamamoto <whosekiteneverfly@gmail.com> wrote:

According to the error, you must set proxy user name and password to pass the authentication.

Like this:

HTTP_PROXY = http://username:password@proxy-host:8080

HTTPS_PROXY = http://username:password@ proxy-host:8080  

Note that you must URI-encode the username or password if they include some meta-characters like a colon or an at-sign.

Besides,  stack 1.3.2 is too old!

2018-03-21 2:00 GMT+09:00 Nikos Karagiannidis <nikoshaskell@gmail.com>:

Hi all,

I am trying to run stack build, or stack update behind the corporate web proxy and I get the following error:

$ stack build
Downloading lts-11.1 build plan ...HttpExceptionRequest Request {
  host                 = "raw.githubusercontent.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/fpco/lts-haskell/master//lts-11.1.yaml"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (ProxyConnectException "raw.githubusercontent.com" 443 (Status {statusCode = 407, statusMessage = "Proxy Authentication Required ( Forefront TMG requires authorization to fulfill the request. Access to the Web Proxy filter is denied.  )"}))

My stack version is:

$ stack --version
Version 1.3.2, Git revision 3f675146590da4f3edf768b89355f798229da2a5 x86_64 hpack-0.15.0

I have set the HTTP_PROXY and HTTPS_PROXY environment variables to a value of:

HTTP_PROXY = http://proxy-host:8080

HTTPS_PROXY = http://proxy-host:8080

Can you help me how to achieve proxy authentication via stack?

thank you in advance!

Nikos

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