Package: vtun
Version: 3.0.2-1
Severity: important
Every minute vtun closes the tunnel
syslog reports:
Aug 10 12:56:54 Anubis vtund[32254]: Use SSL-aware challenge/response
Aug 10 12:56:54 Anubis vtund[32254]: Session astra[***.***.***.***:53660] opened
Aug 10 12:56:54 Anubis kernel: tun0: Disabled Privacy Extensions
Aug 10 12:56:54 Anubis vtund[32254]: LZO compression[level 9] initialized
Aug 10 12:56:54 Anubis vtund[32254]: Blowfish-128-ECB encryption initialized
Aug 10 12:57:49 Anubis vtund[32254]: Invalid argument (22)
Aug 10 12:57:49 Anubis vtund[32254]: Session astra closed
This repeats every 60 seconds
I have tried removing encryption and compresson to no avail, it just times out.
I'm sure this is not a nat issue because the same thing happens regardless of
whether the client is on the same subnet or halfway across the world (and yes I
have tried it from halfway across the world).
strace doesn't tell me much, but it might tell you guys something.
------Note this is strace run from the server------
Anubis:~# strace -p 32254
Process 32254 attached - interrupt to quit
select(6, [4 5], NULL, NULL, {11, 206000}) = 0 (Timeout)
select(6, [4 5], NULL, NULL, {30, 0}) = 1 (in [5], left {5, 28000})
read(5, "\0\30"..., 2) = 2
read(5, "\355\246\344\323\206'\343o\217+6\300EX4 \224G\2346\340\31\320\211"...,
24) = 24
write(4,
"\377\377\377\377\377\377\0\0\0\0\0\0\210\242\20\0\377\377\377\1\0\0\0\0\0\0\0\0\0\0\0\0"...,
32) = -1 EINVAL (Invalid argument)
time(NULL) = 1218370009
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=3661, ...}) = 0
writev(2, [{"vtund[32254]: Invalid argument (2"..., 35}, {"\n"..., 1}], 2) = 36
send(3, "<30>Aug 10 13:06:49 vtund[32254]:"..., 55, MSG_NOSIGNAL) = 55
write(5, "\20\0"..., 2) = 2
munmap(0xb7bec000, 462848) = 0
rt_sigaction(SIGTERM, {0x804d5f0, [], SA_NOCLDWAIT}, NULL, 8) = 0
rt_sigaction(SIGINT, {0x804d5f0, [], SA_NOCLDWAIT}, NULL, 8) = 0
rt_sigaction(SIGHUP, {SIG_IGN}, NULL, 8) = 0
setpriority(PRIO_PROCESS, 0, 0) = 0
close(4) = 0
close(4) = -1 EBADF (Bad file descriptor)
close(5) = 0
close(-1) = -1 EBADF (Bad file descriptor)
time(NULL) = 1218370009
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=3661, ...}) = 0
writev(2, [{"vtund[32254]: Session astra close"..., 34}, {"\n"..., 1}], 2) = 35
send(3, "<30>Aug 10 13:06:49 vtund[32254]:"..., 54, MSG_NOSIGNAL) = 54
unlink("/var/lock/vtund/astra") = 0
close(5) = -1 EBADF (Bad file descriptor)
exit_group(0) = ?
Process 32254 detached
-----------end of strace---------------
The syslog from the client looks like this:
Aug 10 13:08:54 Astra vtund[5081]: Connecting to ***.***.***.***
Aug 10 13:08:54 Astra vtund[5081]: Use SSL-aware challenge/response
Aug 10 13:08:54 Astra vtund[5081]: Remote Server sends <TuL9E1> .
Aug 10 13:08:54 Astra vtund[5081]: Session astra[***.***.***.***] opened
Aug 10 13:08:54 Astra vtund[5081]: LZO compression[level 9] initialized
Aug 10 13:08:54 Astra vtund[5081]: Blowfish-128-ECB encryption initialized
Aug 10 13:09:49 Astra vtund[5081]: Connection closed by other side
Aug 10 13:09:49 Astra vtund[5081]: Session astra[***.***.***.***] closed
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.26.2 (SMP w/2 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages vtun depends on:
ii debconf [debconf-2.0] 1.5.23 Debian configuration management sy
ii libc6 2.7-13 GNU C Library: Shared libraries
ii liblzo2-2 2.03-1 data compression library
ii libssl0.9.8 0.9.8g-13 SSL shared libraries
ii zlib1g 1:1.2.3.3.dfsg-12 compression library - runtime
vtun recommends no packages.
vtun suggests no packages.
-- no debconf information
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