> So whats preventing the IPv4 TCP connect() getting through? If I knew... there is even no firewall blocking anything. > So what is Squid logging during startup/reconfigure about that IPv6 port ? A lot of kids dying: 2016/01/19 13:36:27 kid11| Squid Cache (Version 3.5.12): Exiting normally. 2016/01/19 13:36:28 kid11| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid11| Service Name: squid 2016/01/19 13:36:28 kid11| Process ID 11684 2016/01/19 13:36:28 kid11| Process Roles: coordinator 2016/01/19 13:36:28 kid11| With 32768 file descriptors available 2016/01/19 13:36:28 kid5| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid5| Service Name: squid 2016/01/19 13:36:28 kid5| Process ID 11690 2016/01/19 13:36:28 kid5| Process Roles: worker 2016/01/19 13:36:28 kid5| With 32768 file descriptors available 2016/01/19 13:36:28 kid10| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid10| Service Name: squid 2016/01/19 13:36:28 kid10| Process ID 11685 2016/01/19 13:36:28 kid10| Process Roles: worker 2016/01/19 13:36:28 kid10| With 32768 file descriptors available 2016/01/19 13:36:28 kid6| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid6| Service Name: squid 2016/01/19 13:36:28 kid6| Process ID 11689 2016/01/19 13:36:28 kid6| Process Roles: worker 2016/01/19 13:36:28 kid6| With 32768 file descriptors available 2016/01/19 13:36:28 kid9| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid9| Service Name: squid 2016/01/19 13:36:28 kid9| Process ID 11686 2016/01/19 13:36:28 kid9| Process Roles: worker 2016/01/19 13:36:28 kid9| With 32768 file descriptors available 2016/01/19 13:36:28 kid7| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid7| Service Name: squid 2016/01/19 13:36:28 kid7| Process ID 11688 2016/01/19 13:36:28 kid7| Process Roles: worker 2016/01/19 13:36:28 kid7| With 32768 file descriptors available 2016/01/19 13:36:28 kid2| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid2| Service Name: squid 2016/01/19 13:36:28 kid2| Process ID 11693 2016/01/19 13:36:28 kid2| Process Roles: worker 2016/01/19 13:36:28 kid2| With 32768 file descriptors available 2016/01/19 13:36:28 kid8| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid8| Service Name: squid 2016/01/19 13:36:28 kid8| Process ID 11687 2016/01/19 13:36:28 kid8| Process Roles: worker 2016/01/19 13:36:28 kid8| With 32768 file descriptors available 2016/01/19 13:36:28 kid4| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid4| Service Name: squid 2016/01/19 13:36:28 kid4| Process ID 11691 2016/01/19 13:36:28 kid4| Process Roles: worker 2016/01/19 13:36:28 kid4| With 32768 file descriptors available 2016/01/19 13:36:28 kid3| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid3| Service Name: squid 2016/01/19 13:36:28 kid3| Process ID 11692 2016/01/19 13:36:28 kid3| Process Roles: worker 2016/01/19 13:36:28 kid3| With 32768 file descriptors available 2016/01/19 13:36:28 kid1| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:28 kid1| Service Name: squid 2016/01/19 13:36:28 kid1| Process ID 11694 2016/01/19 13:36:28 kid1| Process Roles: worker 2016/01/19 13:36:28 kid1| With 32768 file descriptors available 2016/01/19 13:36:28 kid5| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid5| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid11| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid10| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid10| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid2| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid11| commBind: Cannot bind socket FD 13 to 0.0.0.0:3128: (98) Address already in use 2016/01/19 13:36:28 kid2| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid8| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid8| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid6| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid6| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid4| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid4| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid7| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid7| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid9| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid9| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid1| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid1| Squid plugin modules loaded: 0 2016/01/19 13:36:28 kid3| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:28 kid3| Squid plugin modules loaded: 0 2016/01/19 13:36:34 kid5| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid5| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid5| Closing HTTP port [::1]:3128 FATAL: kid5 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.063 seconds = 0.036 user + 0.027 sys Maximum Resident Size: 74528 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid10| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid10| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid10| Closing HTTP port [::1]:3128 FATAL: kid10 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.069 seconds = 0.045 user + 0.024 sys Maximum Resident Size: 74528 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid2| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid2| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid2| Closing HTTP port [::1]:3128 FATAL: kid2 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.063 seconds = 0.042 user + 0.022 sys Maximum Resident Size: 74528 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid8| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid8| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid8| Closing HTTP port [::1]:3128 FATAL: kid8 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.061 seconds = 0.037 user + 0.024 sys Maximum Resident Size: 74544 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid6| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid6| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid6| Closing HTTP port [::1]:3128 FATAL: kid6 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.060 seconds = 0.036 user + 0.024 sys Maximum Resident Size: 74544 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid4| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid4| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid4| Closing HTTP port [::1]:3128 FATAL: kid4 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.059 seconds = 0.039 user + 0.020 sys Maximum Resident Size: 74512 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid7| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid7| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid7| Closing HTTP port [::1]:3128 FATAL: kid7 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.063 seconds = 0.033 user + 0.030 sys Maximum Resident Size: 74512 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid9| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid9| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid9| Closing HTTP port [::1]:3128 FATAL: kid9 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.063 seconds = 0.039 user + 0.024 sys Maximum Resident Size: 74528 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid1| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid1| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid1| Closing HTTP port [::1]:3128 FATAL: kid1 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.060 seconds = 0.030 user + 0.030 sys Maximum Resident Size: 74544 KB Page faults with physical i/o: 0 2016/01/19 13:36:34 kid3| Closing HTTP port 0.0.0.0:3128 2016/01/19 13:36:34 kid3| Closing HTTP port [::]:3128 2016/01/19 13:36:34 kid3| Closing HTTP port [::1]:3128 FATAL: kid3 registration timed out Squid Cache (Version 3.5.12): Terminated abnormally. CPU Usage: 0.060 seconds = 0.034 user + 0.025 sys Maximum Resident Size: 74544 KB Page faults with physical i/o: 0 2016/01/19 13:36:37 kid5| Starting Squid Cache version 3.5.12 for x86_64-redhat-linux-gnu... 2016/01/19 13:36:37 kid5| Service Name: squid 2016/01/19 13:36:37 kid5| Process ID 11696 2016/01/19 13:36:37 kid5| Process Roles: worker 2016/01/19 13:36:37 kid5| With 32768 file descriptors available 2016/01/19 13:36:37 kid5| Sending SNMP messages from 0.0.0.0:3401 2016/01/19 13:36:37 kid5| Squid plugin modules loaded: I use "workers 10" setting. -- Henri Wahl IT Department Leibniz-Institut fuer Festkoerper- u. Werkstoffforschung Dresden tel: +49 (3 51) 46 59 - 797 email: h.wahl@xxxxxxxxxxxxxx https://www.ifw-dresden.de Nagios status monitor Nagstamon: https://nagstamon.ifw-dresden.de DHCPv6 server dhcpy6d: https://dhcpy6d.ifw-dresden.de S/MIME: https://nagstamon.ifw-dresden.de/pubkeys/smime.pem PGP: https://nagstamon.ifw-dresden.de/pubkeys/pgp.asc IFW Dresden e.V., Helmholtzstrasse 20, D-01069 Dresden VR Dresden Nr. 1369 Vorstand: Prof. Dr. Manfred Hennecke, Dr. Doreen Kirmse _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users