On Mon, Mar 06, 2017 at 11:15:04AM -0600, gerald wrote: > https://bugzilla.netfilter.org/show_bug.cgi?id=1123 > > OS localhost 4.9.8-1-ARCH #1 SMP PREEMPT Mon Feb 6 12:59:40 CET 2017 x86_64 GNU/Linux > > conntrackd version 1.4.4 > conntrackd gives an error for each remote connction it attempts to add to the local table: > [Thu Feb 16 17:56:27 2017] (pid=1312) [ERROR] inject-add2: Invalid argument > Thu Feb 16 17:56:27 2017 icmp 1 src=192.168.0.15 dst=67.36.196.10 type=8 code=0 id=5486 [UNREPLIED] > [Thu Feb 16 17:56:27 2017] (pid=1312) [ERROR] inject-upd1: Invalid argument > Thu Feb 16 17:56:27 2017 icmp 1 src=192.168.0.15 dst=67.36.196.10 type=8 code=0 id=5486 I fail to reproduce this here with 4.10 and current libnetfilter_conntrack and conntrack-tools git HEAD. EINVAL means that the message we send to the kernel is malformed, that looks like a normal ping. > when > DisableExternalCache On > > conntrackd WILL add to external table when the external cache is enabled > but errors with the cache is disabled > > with the external cache disabled > entries DO NOT appear in conntrack -L > entries DO NOT appear in conntrackd -e > entries DO NOT appear in conntrackd -i > failures show in conntrackd -s > > > conntrackd.conf: > Sync { > Mode FTFW { > DisableExternalCache On You cannot use FTFW with DisableExternalCache On. I'll make a patch to warn on this to users. But this shouldn't be the cause of the problem. > CommitTimeout 1800 Could you comment out this option and retest? > PurgeTimeout 5 > } > > UDP { > IPv4_address 192.168.0.31 > IPv4_Destination_Address 192.168.0.30 > Port 3780 > Interface ens8 > SndSocketBuffer 24985600 > RcvSocketBuffer 24985600 > Checksum on > } > } > > General { > Nice -20 > HashSize 32768 > HashLimit 131072 > LogFile on > Syslog on > LockFile /var/lock/conntrack.lock > UNIX { > Path /var/run/conntrackd.ctl > Backlog 20 > } > NetlinkBufferSize 2097152 > NetlinkBufferSizeMaxGrowth 8388608 > Filter From Userspace { > Protocol Accept { > TCP > UDP > ICMP # This requires a Linux kernel >= 2.6.31 > } > Address Ignore { > IPv4_address 127.0.0.1 # loopback > IPv4_address 192.168.0.30 > IPv4_address 192.168.0.31 > } > } > } > > conntrack -c > works and adds entries to the local table when executed > > perhaps related to: > http://www.linuxquestions.org/questions/showthread.php?p=5547189#post5547189 > -- > To unsubscribe from this list: send the line "unsubscribe netfilter" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html