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Full Discussion: iptables help with rules
Top Forums UNIX for Advanced & Expert Users iptables help with rules Post 302988732 by stomp on Sunday 1st of January 2017 11:10:37 AM
Old 01-01-2017
Look at my other two advices above. The solution will most likely to change that conntrack thingy.
 

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Connmark retriever action in tc(8)                                     Linux                                    Connmark retriever action in tc(8)

NAME
connmark - netfilter connmark retriever action SYNOPSIS
tc ... action connmark [ zone u16_zone_index ] [ CONTROL ] [ index u32_index ] CONTROL := { reclassify | pipe | drop | continue | ok } DESCRIPTION
The connmark action is used to restore the connection's mark value into the packet's fwmark. OPTIONS
zone u16_zone_index Specify the conntrack zone when doing conntrack lookups for packets. u16_zone_index is a 16bit unsigned decimal value. CONTROL How to continue after executing this action. reclassify Restarts classification by jumping back to the first filter attached to this action's parent. pipe Continue with the next action, this is the default. drop shot Packet will be dropped without running further actions. continue Continue classification with next filter in line. pass Return to calling qdisc for packet processing. This ends the classification process. index u32_index Specify an index for this action in order to being able to identify it in later commands. u32_index is a 32bit unsigned decimal value. SEE ALSO
tc(8) iproute2 11 Jan 2016 Connmark retriever action in tc(8)
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