Asymmetric routing and firewalls dropping UDP packets

Daniel J. Grinkevich danielgrinkevich at gmail.com
Mon Sep 7 18:43:24 CEST 2015


We are running tinc (v. 1.0.26) in switch mode with bmx6 (another mesh
protocol) running on top of the tap0 interface on about 25 devices.  The
asymmetric routing of UDP packets is causing my firewall and I presume
others to drop some of the packets, since there are no outbound SYN packets
originating from the device running tinc.  Is there any way to mitigate
this issue besides enabling tcponly (and not putting the tinc device in the
dmz)?  tcplonly would defeat the purpose of a mesh network.

Thanks,
Dan

-- 
---
GPG Key: 0x160B24D1C08FB4E4
<https://pgp.mit.edu/pks/lookup?op=get&search=0x160B24D1C08FB4E4>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.tinc-vpn.org/pipermail/tinc/attachments/20150907/41362e7c/attachment.html>


More information about the tinc mailing list