[squid-users] URL sometimes reurns empty response

Ralf Hildebrandt Ralf.Hildebrandt at charite.de
Tue May 2 13:08:43 UTC 2017

* Marcus Kool <marcus.kool at urlfilterdb.com>:

> Looks like MS uses multiple servers for msftconnecttest.com and that they send different content.

Nope. I verified the server's responses on the proxy machines itself
using direct connections. It's always correct.

Note this:

> > * Excess found in a non pipelined read: excess = 14 url = /ncsi.txt (zero-length body)

It seems that squid is returning an incorrect Content-Lenght: header 
while the revalidation is still fresh/ongoing.

I haven't yet tried tcpdumping the response to check if the 14 bytes
do indeed contain the correct string.

Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
ralf.hildebrandt at charite.de        Campus Benjamin Franklin
https://www.charite.de             Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155

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