On 24/02/22 12:05, Andreas Weigel wrote:
Hi everyone,
I had the following issue with Squid in Transparent Mode (and SSL
Interception in mode splice). It is working as expected, however after
multiple long-running (talking about several seconds) anti-virus
ecap-Processes have finished, I *sometimes* get the following in the log:
2022/02/23 14:56:40.668 kid1| 5,2| src/comm/TcpAcceptor.cc(224)
doAccept: New connection on FD 21
2022/02/23 14:56:40.668 kid1| 5,2| src/comm/TcpAcceptor.cc(312)
acceptNext: connection on local=[::]:2412 remote=[::] FD 21 flags=41
2022/02/23 14:56:40.668 kid1| 89,5| src/ip/Intercept.cc(405) Lookup:
address BEGIN: me/client= 192.168.180.1:2412, destination/me=
192.168.180.10:48582
2022/02/23 14:56:40.668 kid1| ERROR: NF getsockopt(ORIGINAL_DST) failed
on local=192.168.180.1:2412 remote=192.168.180.10:48582 FD 37 flags=33:
(2) No such file or directory
2022/02/23 14:56:40.669 kid1| 89,9| src/ip/Intercept.cc(151)
NetfilterInterception: address: local=192.168.180.1:2412
remote=192.168.180.10:48582 FD 37 flags=33
2022/02/23 14:56:40.669 kid1| ERROR: NAT/TPROXY lookup failed to locate
original IPs on local=192.168.180.1:2412 remote=192.168.180.10:48582 FD
37 flags=33
These can happen if the NAT table entries expire or otherwise get
dropped by conntrack between the client initiating TCP SYN and Squid
accept(2) receiving the connection.
Your config looks good to me and the lack of regularity indicates the
issue is likely this type of transient state situation.
Is this happening at times of unusually high client connections
through the NAT?
Is eCAP processing blocking the Squid worker for all those seconds?
2022/02/23 14:56:40.669 kid1| 5,5| src/comm/TcpAcceptor.cc(287)
acceptOne: non-recoverable error: FD 21, [::] [ job2] handler
Subscription: 0x55edac3d08d0*1
Sometimes, this only appears on on of the two interception ports,
sometimes on both. After that, the squid worker does not poll the
intercept listen port any longer, i.e. stops working.
That part is likely to be the issue recently worked around by
<http://www.squid-cache.org/Versions/v6/changesets/squid-6-9fd3e68c3d0dfd6035db98ce142cf425be6c5fc1.patch>
Amos
_______________________________________________
squid-users mailing list
squid-users@xxxxxxxxxxxxxxxxxxxxx
http://lists.squid-cache.org/listinfo/squid-users
