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"generate openvpn" uses "comp-lzo no", which leads to problems on Android-Clients
Closed, ResolvedPublicBUG

Description

It leads to a well known behavior, which also happens when compression is active at client-side, but not server-side:

# run monitor log openvpn

May 22 12:31:36 openvpn-vtun0[4581]: Manuel/2001:9e8:8677:xxxx:xxxx:483a:f456:6448 IP packet with unknown IP version=15 seen
May 22 12:31:36 openvpn-vtun0[4581]: Manuel/2001:9e8:8677:xxxx:xxxx:483a:f456:6448 IP packet with unknown IP version=15 seen
May 22 12:31:36 openvpn-vtun0[4581]: Manuel/2001:9e8:8677:xxxx:xxxx:483a:f456:6448 IP packet with unknown IP version=15 seen
May 22 12:31:36 openvpn-vtun0[4581]: Manuel/2001:9e8:8677:xxxx:xxxx:483a:f456:6448 IP packet with unknown IP version=15 seen

Maybe we just could omit the comp-lzo-statement if there is no compression configured, since OpenVPN recommends working without compression anyway.

The Android-Client is running version 3.4.2 (current version from Play-Store). My Ubuntu-Client behaves exaclty the same. I have to uncheck "Data compression" to get it working, after importing the generated ovpn-file. On Android this is not possible.

Details

Version
1.4.0-epa2
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)

Event Timeline

Viacheslav moved this task from Backlog to Finished on the VyOS 1.4 Sagitta (1.4.1) board.
dmbaturin changed Issue type from Cosmetic issue (typos etc.) to Bug (incorrect behavior).Dec 6 2024, 2:50 PM