Trouble is in call of vpnc without --enable-1des option.
VPNC_DEBUG=1 /usr/lib/NetworkManager/nm-vpnc-service
/usr/sbin/vpnc: peer selected (single) DES as "encrytion" method.
This algorithm is considered to weak today
If your vpn concentrator admin still insists on using DES
use the "--enable-1des" option.
** (nm-vpnc-service:23633): WARNING **: <WARN> vpnc_watch_cb(): vpnc exited
with error code 1
When I had added that option to nm-vpnc-service.c and built the package,
trouble disappeared.
diff -c network-manager-vpnc-0.8.4/src/nm-vpnc-service.c ../network-manager-
vpnc-0.8.4/src/nm-vpnc-service.c
*** network-manager-vpnc-0.8.4/src/nm-vpnc-service.c 2011-04-05
19:31:00.000000000 +0300
--- ../network-manager-vpnc-0.8.4/src/nm-vpnc-service.c 2011-08-08
21:45:31.000000000 +0300
***************
*** 281,286 ****
--- 281,287 ----
g_ptr_array_add (vpnc_argv, (gpointer) (*vpnc_binary));
g_ptr_array_add (vpnc_argv, (gpointer) "--non-inter");
g_ptr_array_add (vpnc_argv, (gpointer) "--no-detach");
+ g_ptr_array_add (vpnc_argv, (gpointer) "--enable-1des");
g_ptr_array_add (vpnc_argv, (gpointer) "-");
g_ptr_array_add (vpnc_argv, NULL);