Hi all,
I am using VTun for over half a year.
I have two Linksys routers running WhiteRussian 0.9 with vtun (+some
required libraries) installed from *.ipk packages.
Up to now everything was ok.
But last days I've tried to recompile the firmware one of my Linksys
using Kamikadze.
Additionally i wanted to customize it having VTun included and exclude
not interesting stuff.
After that the VTun connetion problem appeared.
On the Linksys side I see:
#vtund -n -f /tmp/vtund.conf MySession XXX.XXX.XXX.XXX
vtund[617]: VTun client ver 3.X 05/01/2010 started
vtund[617]: Connecting to XXX.XXX.XXX.XXX
vtund[617]: Connection denied by XXX.XXX.XXX.XXX
On the server side:
[vtund] Denied connection from
YYY.YYY.YYY.YYY:2049
Running tcpdump at server I see:
#tcpdump -n -i eth1 host YYY.YYY.YYY.YYY and port 5000 -s 1500 -A
tcpdump: verbose output suppressed, use -v or -vv for full protocol
decode
listening on eth1, link-type EN10MB (Ethernet), capture size 1500
bytes
14:53:47.158288 IP YYY.YYY.YYY.YYY.2051 > XXX.XXX.XXX.XXX.5000: S
1616526116:1616526116(0) win 5840 <mss 1460,nop,nop,sackOK,nop,wscale 0>
e.....@.<.=5MO....7.....`Z;$........q!..............
14:53:47.158314 IP XXX.XXX.XXX.XXX.5000 > YYY.YYY.YYY.YYY.2051: S
2318711996:2318711996(0) ack 1616526117 win 5840 <mss
1460,nop,nop,sackOK,nop,wscale 6>
e.....@.@.
...7.MO.......4..`Z;%....*...............
14:53:47.172165 IP YYY.YYY.YYY.YYY.2051 > XXX.XXX.XXX.XXX.5000: . ack 1
win
5840
E..(....@.<....@mo....7.....`z;%.4..P...j.........
14:53:47.172426 IP XXX.XXX.XXX.XXX.5000 > YYY.YYY.YYY.YYY.2051: P
1:51(50) ack 1 win
92
e.....@.@.U[..7.MO.......4..`Z;%P..\0j..VTUN server ver 12/04/2009
A
....................
14:53:47.180773 IP YYY.YYY.YYY.YYY.2051 > XXX.XXX.XXX.XXX.5000: . ack 51
win
5840
E..(....@.<.=?MO....7.....`Z;%.4..P...j.........
14:53:47.180791 IP YYY.YYY.YYY.YYY.2051 > XXX.XXX.XXX.XXX.5000: P
1:51(50) ack 51 win
5840
e.....@.<.=.MO....7.....`Z;%.4..P...S_..HOST: MySession
...............................
14:53:47.180799 IP XXX.XXX.XXX.XXX.5000 > YYY.YYY.YYY.YYY.2051: . ack 51
win
92
E..(.&@....@.u...7.mo.......4..`z;WP..\....
14:53:47.181110 IP XXX.XXX.XXX.XXX.5000 > YYY.YYY.YYY.YYY.2051: P
51:101(50) ack 51 win
92
E..Z.'@....@.uy..7.mo.......4..`z;WP..\0j..OK CHAL:
<inbkfagjkeldbpanjholnjmendojfofm>
......
14:53:47.192302 IP YYY.YYY.YYY.YYY.2051 > XXX.XXX.XXX.XXX.5000: P
51:101(50) ack 101 win 5840
e.....@.<.=.MO....7.....`Z;W.4.!P.......CHAL:
<cobbhfcjieabidkcbiiihofnghljdkei>
.........
14:53:47.192392 IP XXX.XXX.XXX.XXX.5000 > YYY.YYY.YYY.YYY.2051: P
101:151(50) ack 101 win 92
E..Z.(@....@.ux..7.mo.......4.!`z;.P..\0j..ERR
So the problem concerns password checking (at least it looks like).
But I used exactly the same config files both for server (here nothing
has been changed)
and for newly compiled Linksys client (the client config has worked with
WhiteRussian powered router).
Probably I missed something (not compiled) in Kamikadze configuration.
Any ideas will be appreciated.
Regards,
Dorian
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