#20358: PPTP/GRE doesn't work, conntrack shows UNREPLIED
----------------------------------+---------------------------
Reporter: thorstenhirsch | Owner: developers
Type: defect | Status: new
Priority: high | Milestone: Bugs Paradise
Component: packages | Version: Trunk
Keywords: pptp, vpn, conntrack |
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Though I installed kmod-nf-nathelper-extra I cannot establish PPTP
connections from a client behind the router to a PPTP server on the in
internet. I can see a new gre entry when I try to establish the
connection:
{{{
# conntrack -L | grep gre
conntrack v1.4.2 (conntrack-tools): 5 flow entries have been shown.
gre 47 27 src=192.168.1.103 dst=1.2.3.4 srckey=0x0 dstkey=0x1980
packets=1 bytes=60 [UNREPLIED] src=1.2.3.4 dst=5.6.7.8 srckey=0x1980
dstkey=0x0 packets=0 bytes=0 mark=0 use=1
}}}
But as you can see it is "UNREPLIED". A successfully established gre
connection would look like that:
{{{
gre 47 17999 src=192.168.1.103 dst=1.2.3.4 srckey=0x10d8 dstkey=0xf00
packets=71 bytes=6467 src=1.2.3.4 dst=5.6.7.8 srckey=0xf00 dstkey=0xe99b
packets=100 bytes=20508 [ASSURED] mark=0 use=1
}}}
I also noticed that the client aborts with an error message at once. There
seems to be no timeout.
--
Ticket URL: <https://dev.openwrt.org/ticket/20358>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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