[squid-users] When does Squid reset upstream connections?

[Amos Jeffries]

On 27/04/18 00:20, jbhasin83 wrote:
> Hello,
> 
> I have a squid set up in transparent proxy. Squid sends a TCP RESET message
> to the uperstream server but does not put an outgoing TCP outgoing mark.
> Squid puts an outgoing TCP mark on every other packet going upstream.
> Is this a bug ?

Maybe, *if* the RESET was sent by Squid. The TCP network stack itself
can also generate them if data arrives on a socket/port which was
previously closed by Squid with a FIN, FIN+ACK, or earlier RST packet.

Amos