[squid-users] (no subject)

[Amos Jeffries]

On 12/10/19 2:35 am, Vieri Di Paola wrote:
> Hi,
> 
> I'm trying to connect from a LAN client with IP addr. 10.215.144.48 to
> a web server through Squid 3 + Tproxy.
> 
> As you can see from the logs here below, there seems to be a timeout:
> 
> https://pastebin.com/2Jka4es1

That log contains only a few lines of actual relevance to the problem:

2019/10/11 15:13:48.003 kid1| 5,5| comm.cc(1574) checkTimeouts:
checkTimeouts: FD 14 Expired
2019/10/11 15:13:48.003 kid1| 5,5| comm.cc(1577) checkTimeouts:
checkTimeouts: FD 14: Call timeout handler
2019/10/11 15:13:48.003 kid1| 5,4| AsyncCall.cc(93) ScheduleCall:
comm.cc(1580) will call Comm::ConnOpener::timeout(local=10.215.144.48
remote=172.217.17.5:443 flags=25, data=0x149ac58) [call7547]
2019/10/11 15:13:48.023 kid1| 5,4| AsyncCallQueue.cc(55) fireNext:
entering Comm::ConnOpener::timeout(local=10.215.144.48
remote=172.217.17.5:443 flags=25, data=0x149ac58)
2019/10/11 15:13:48.023 kid1| 5,4| AsyncCall.cc(38) make: make call
Comm::ConnOpener::timeout [call7547]
2019/10/11 15:13:48.023 kid1| 45,9| cbdata.cc(492) cbdataReferenceValid:
0x149ac58
2019/10/11 15:13:48.023 kid1| 45,9| cbdata.cc(492) cbdataReferenceValid:
0x149ac58
2019/10/11 15:13:48.023 kid1| 45,9| cbdata.cc(492) cbdataReferenceValid:
0x149ac58
2019/10/11 15:13:48.023 kid1| 45,9| cbdata.cc(492) cbdataReferenceValid:
0x149ac58
2019/10/11 15:13:48.023 kid1| 5,4| AsyncJob.cc(123) callStart:
Comm::ConnOpener status in: [ job929]
2019/10/11 15:13:48.023 kid1| 45,9| cbdata.cc(492) cbdataReferenceValid:
0x149ac58
2019/10/11 15:13:48.023 kid1| 5,5| ConnOpener.cc(442) timeout:
local=10.215.144.48 remote=172.217.17.5:443 flags=25: * - ERR took too
long to receive response.


Note that this last entry is about a connection to port 443, whereas the
rest of the log is all about traffic to port 80.


> 
> The Squid machine has no issues if I browse the web from command line,
> eg. 'links http://www.linuxheadquarters.com' works fine.
> 
> What should I be looking for?

TCP/IP level packet routing. Squid is trying to open a TCP connection to
that "remote=" server. TCP SYN is sent, and then ... ... ... nothing.


Amos