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Re: Proxy Server closes the connection to http server before transferring all application data to http client

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Probably it’s the server side that does that.

I have seen such a thing in the past with couple webservers.

Depends on the language that the server uses it’s possible to resolve this issue.

If you have a specific language I can try to reproduce this issue to make sure what the issue is.

Specifically in PHP there was something combined with nginx and apache.

I have not tried it with caddy or another web server that uses fastcgi.

 

Let me know if you need my assistance.

Eliezer

 

----

Eliezer Croitoru

Tech Support

Mobile: +972-5-28704261

Email: eliezer@xxxxxxxxxxxx

 

From: Zhang, Lily (USD) <Lily.Zhang@xxxxxxxx>
Sent: Wednesday, December 16, 2020 9:40 AM
To: Eliezer Croitor <ngtech1ltd@xxxxxxxxx>
Cc: squid-users@xxxxxxxxxxxxxxxxxxxxx
Subject: RE: Proxy Server closes the connection to http server before transferring all application data to http client

 

Hi Croitor,

 

I investigated this issue as I have tickets from customer side.  http client can't get the full response sometimes (example 20 0000 char, get 17 0000 chars).

 

Thanks

Lily

From: Eliezer Croitor <ngtech1ltd@xxxxxxxxx>
Sent: Tuesday, December 15, 2020 10:47 PM
To: Zhang, Lily (USD)
Cc: squid-users@xxxxxxxxxxxxxxxxxxxxx
Subject: RE: Proxy Server closes the connection to http server before transferring all application data to http client

 

[EXTERNAL EMAIL]

Hey Lily,

 

Is there any specific issue which made you aware of this issue?

 

Thanks,

Eliezer

 

----

Eliezer Croitoru

Tech Support

Mobile: +972-5-28704261

Email: eliezer@xxxxxxxxxxxx

 

From: squid-users <squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Zhang, Lily (USD)
Sent: Tuesday, December 15, 2020 5:21 AM
To: squid-users@xxxxxxxxxxxxxxxxxxxxx
Subject: Proxy Server closes the connection to http server before transferring all application data to http client

 

Hi           

                           

I installed 4.13 squid proxy server. See attachment, http server (10.250.16.46) sends FIN, ACK to tells that response is finished.  Proxy server (10.244.102.133) sends FIN, ACK back to http server (10.250.16.46) before "Application Data" is transferred to http client (10.245.166.20).

 

Would you please help me on questions below:

  1. Is it normal that proxy server sends FIN, ACK to http server before http client finishes receiving  all the “Application Data” ?
  2. Does proxy server have option to stop item 1?

 

Thanks

Lily

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