[squid-users] Error from icap during respmod

[Alex Rousskov]

On 2024-04-29 13:06, Arun Kumar wrote:
> Configured python based icap server (pyicap) and getting 500 Internal 
> Server error during respmod.

AFAICT, this ICAP RESPMOD service is buggy: It sends what looks like an 
HTTP response body chunk after sending an ICAP 100 Continue control 
message. Instead, it is supposed to send the final ICAP response headers 
and HTTP response headers _before_ sending that HTTP response body chunk.


     00:50:54.989 ... ReadNow: conn33 ... size 65535, retval 25
     ICAP/1.0 100 Continue


     00:50:54.991 ReadNow: conn33 ... size 65535, retval 137
     83
     {"activity":...}


HTH,

Alex.

> https://drive.google.com/file/d/19yirXfxKli7NXon4ewiy-v3GpLvECT1i/view?usp=sharing <https://drive.google.com/file/d/19yirXfxKli7NXon4ewiy-v3GpLvECT1i/view?usp=sharing>
> 
> Squid configuration:
> icap_enable on
> icap_send_client_ip on
> icap_send_client_username on
> icap_client_username_encode off
> icap_client_username_header X-Authenticated-User
> icap_preview_enable on
> icap_preview_size 1024
> 
> icap_service service_req reqmod_precache bypass=0 
> icap://127.0.0.1:13440/example
> icap_service service_resp respmod_precache bypass=0 
> icap://127.0.0.1:13441/example
> 
> 
> 
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