You've gotta run it with -t 4 or -t 5, so we can see the DLT code # being returned from libpcap. (I suppose I should add that to the error message too).
All the error is saying is that the values for the DLT_ code aren't in the table, so the header length is zero, which is bad.
(gdb) run -u ntop -w 192.168.2.1:3000 -p /etc/ntop/protocol.list -P /var/lib/ntop -a /var/lib/ntop/access.log -i eth1,sit1,tun3,tun4,tun7,tun9 -t 5 -O /var/log/ntop/ -M -m 192.168.2.0/24
Starting program: /export/opt/bin/ntop -u ntop -w 192.168.2.1:3000 -p /etc/ntop/protocol.list -P /var/lib/ntop -a /var/lib/ntop/access.log -i eth1,sit1,tun3,tun4,tun7,tun9 -t 5 -O /var/log/ntop/ -M -m 192.168.2.0/24
[New Thread 16384 (LWP 8498)]
07/Nov/2003 14:53:59 [util:2305] **WARNING** Trailing slash removed from argument '/var/log/ntop/'
07/Nov/2003 14:53:59 [main:1099] ntop v.2.2.96 MT (SSL) [i586-pc-linux-gnu (debian Linux 3.0)] (11/07/03 09:28:11 AM build)
07/Nov/2003 14:53:59 [main:1101] Copyright 1998-2003 by Luca Deri <[EMAIL PROTECTED]>
07/Nov/2003 14:53:59 [main:1102] Get the freshest ntop from http://www.ntop.org/
07/Nov/2003 14:53:59 [main:1106] Initializing ntop
07/Nov/2003 14:53:59 [initialize:117] Initializing IP services
07/Nov/2003 14:53:59 [ntop:432] PROTO_INIT: Processing protocol file: '/etc/ntop/protocol.list', size: 424
07/Nov/2003 14:53:59 [initialize:1352] Initializing network devices
07/Nov/2003 14:53:59 [initialize:1070] Adding network device eth1
07/Nov/2003 14:53:59 [initialize:1231] Interface 'eth1' (netmask 255.255.255.0) computed network size is 606 hosts
07/Nov/2003 14:53:59 [initialize:1246] MEMORY: ipTrafficMatrix base (no TrafficEntry) for interface 'eth1' is 1.45MB
07/Nov/2003 14:53:59 [initialize:1294] Checking eth1 for additional devices
07/Nov/2003 14:53:59 [initialize:1300] Checking eth1:0
07/Nov/2003 14:53:59 [initialize:739] Resetting traffic statistics for device eth1
07/Nov/2003 14:53:59 [initialize:1552] DLT: Device 0 [eth1] DLT_ is 1, assuming mtu 1514, header 14
07/Nov/2003 14:53:59 [initialize:1070] Adding network device sit1
07/Nov/2003 14:53:59 [initialize:1231] Interface 'sit1' (netmask 255.255.255.255) computed network size is 1024 hosts
07/Nov/2003 14:53:59 [initialize:1246] MEMORY: ipTrafficMatrix base (no TrafficEntry) for interface 'sit1' is 4.05MB
07/Nov/2003 14:53:59 [initialize:1294] Checking sit1 for additional devices
07/Nov/2003 14:53:59 [initialize:1300] Checking sit1:0
07/Nov/2003 14:53:59 [initialize:739] Resetting traffic statistics for device sit1
07/Nov/2003 14:53:59 [initialize:1552] DLT: Device 1 [sit1] DLT_ is 12, assuming mtu 1500, header 0
07/Nov/2003 14:53:59 [initialize:1561] **WARNING** DLT: Device 1 [sit1] MTU value is unknown
07/Nov/2003 14:53:59 [initialize:1566] DLT: Processing continues OK
07/Nov/2003 14:53:59 [initialize:1567] DLT: Please report your MTU values (e.g. ifconfig) to the ntop-dev list
07/Nov/2003 14:53:59 [initialize:1571] **ERROR** DLT: Device 1 [sit1] Header value for DLT_ is zero
07/Nov/2003 14:53:59 [initialize:1574] DLT: Processing continues OK - don't use the nfs plugin
07/Nov/2003 14:53:59 [initialize:1575] DLT: Please report this to the ntop-dev list
07/Nov/2003 14:53:59 [initialize:1070] Adding network device tun3
07/Nov/2003 14:54:00 [initialize:1231] Interface 'tun3' (netmask 255.255.255.255) computed network size is 51 hosts
07/Nov/2003 14:54:00 [initialize:1246] MEMORY: ipTrafficMatrix base (no TrafficEntry) for interface 'tun3' is 0.06MB
07/Nov/2003 14:54:00 [initialize:1294] Checking tun3 for additional devices
07/Nov/2003 14:54:00 [initialize:1300] Checking tun3:0
07/Nov/2003 14:54:00 [initialize:739] Resetting traffic statistics for device tun3
07/Nov/2003 14:54:00 [initialize:1552] DLT: Device 2 [tun3] DLT_ is 12, assuming mtu 1500, header 0
07/Nov/2003 14:54:00 [initialize:1561] **WARNING** DLT: Device 2 [tun3] MTU value is unknown
07/Nov/2003 14:54:00 [initialize:1566] DLT: Processing continues OK
07/Nov/2003 14:54:00 [initialize:1567] DLT: Please report your MTU values (e.g. ifconfig) to the ntop-dev list
07/Nov/2003 14:54:00 [initialize:1571] **ERROR** DLT: Device 2 [tun3] Header value for DLT_ is zero
07/Nov/2003 14:54:00 [initialize:1574] DLT: Processing continues OK - don't use the nfs plugin
07/Nov/2003 14:54:00 [initialize:1575] DLT: Please report this to the ntop-dev list
07/Nov/2003 14:54:00 [initialize:1070] Adding network device tun4
07/Nov/2003 14:54:00 [initialize:1231] Interface 'tun4' (netmask 255.255.255.255) computed network size is 51 hosts
07/Nov/2003 14:54:00 [initialize:1246] MEMORY: ipTrafficMatrix base (no TrafficEntry) for interface 'tun4' is 0.06MB
07/Nov/2003 14:54:00 [initialize:1294] Checking tun4 for additional devices
07/Nov/2003 14:54:00 [initialize:1300] Checking tun4:0
07/Nov/2003 14:54:00 [initialize:739] Resetting traffic statistics for device tun4
07/Nov/2003 14:54:00 [initialize:1552] DLT: Device 3 [tun4] DLT_ is 12, assuming mtu 1500, header 0
07/Nov/2003 14:54:00 [initialize:1561] **WARNING** DLT: Device 3 [tun4] MTU value is unknown
07/Nov/2003 14:54:00 [initialize:1566] DLT: Processing continues OK
07/Nov/2003 14:54:00 [initialize:1567] DLT: Please report your MTU values (e.g. ifconfig) to the ntop-dev list
07/Nov/2003 14:54:00 [initialize:1571] **ERROR** DLT: Device 3 [tun4] Header value for DLT_ is zero
07/Nov/2003 14:54:00 [initialize:1574] DLT: Processing continues OK - don't use the nfs plugin
07/Nov/2003 14:54:00 [initialize:1575] DLT: Please report this to the ntop-dev list
07/Nov/2003 14:54:00 [initialize:1070] Adding network device tun7
07/Nov/2003 14:54:00 [initialize:1231] Interface 'tun7' (netmask 255.255.255.255) computed network size is 51 hosts
07/Nov/2003 14:54:00 [initialize:1246] MEMORY: ipTrafficMatrix base (no TrafficEntry) for interface 'tun7' is 0.06MB
07/Nov/2003 14:54:00 [initialize:1294] Checking tun7 for additional devices
07/Nov/2003 14:54:00 [initialize:1300] Checking tun7:0
07/Nov/2003 14:54:00 [initialize:739] Resetting traffic statistics for device tun7
07/Nov/2003 14:54:00 [initialize:1552] DLT: Device 4 [tun7] DLT_ is 12, assuming mtu 1500, header 0
07/Nov/2003 14:54:00 [initialize:1561] **WARNING** DLT: Device 4 [tun7] MTU value is unknown
07/Nov/2003 14:54:00 [initialize:1566] DLT: Processing continues OK
07/Nov/2003 14:54:00 [initialize:1567] DLT: Please report your MTU values (e.g. ifconfig) to the ntop-dev list
07/Nov/2003 14:54:00 [initialize:1571] **ERROR** DLT: Device 4 [tun7] Header value for DLT_ is zero
07/Nov/2003 14:54:00 [initialize:1574] DLT: Processing continues OK - don't use the nfs plugin
07/Nov/2003 14:54:00 [initialize:1575] DLT: Please report this to the ntop-dev list
07/Nov/2003 14:54:00 [initialize:1070] Adding network device tun9
07/Nov/2003 14:54:00 [initialize:1231] Interface 'tun9' (netmask 255.255.255.255) computed network size is 51 hosts
07/Nov/2003 14:54:00 [initialize:1246] MEMORY: ipTrafficMatrix base (no TrafficEntry) for interface 'tun9' is 0.06MB
07/Nov/2003 14:54:00 [initialize:1294] Checking tun9 for additional devices
07/Nov/2003 14:54:00 [initialize:1300] Checking tun9:0
07/Nov/2003 14:54:00 [initialize:739] Resetting traffic statistics for device tun9
07/Nov/2003 14:54:00 [initialize:1552] DLT: Device 5 [tun9] DLT_ is 12, assuming mtu 1500, header 0
07/Nov/2003 14:54:00 [initialize:1561] **WARNING** DLT: Device 5 [tun9] MTU value is unknown
07/Nov/2003 14:54:00 [initialize:1566] DLT: Processing continues OK
07/Nov/2003 14:54:00 [initialize:1567] DLT: Please report your MTU values (e.g. ifconfig) to the ntop-dev list
07/Nov/2003 14:54:00 [initialize:1571] **ERROR** DLT: Device 5 [tun9] Header value for DLT_ is zero
07/Nov/2003 14:54:00 [initialize:1574] DLT: Processing continues OK - don't use the nfs plugin
07/Nov/2003 14:54:00 [initialize:1575] DLT: Please report this to the ntop-dev list
07/Nov/2003 14:54:00 [globals-core:96] Initializing gdbm databases
07/Nov/2003 14:54:00 [util:3612] Now running as requested user 'ntop' (105:105)
07/Nov/2003 14:54:00 [initialize:866] Opening database '/var/lib/ntop/prefsCache.db'
07/Nov/2003 14:54:00 [initialize:866] Opening database '/var/lib/ntop/ntop_pw.db'
07/Nov/2003 14:54:00 [initialize:866] Creating database '/var/lib/ntop/addressQueue.db'
07/Nov/2003 14:54:00 [initialize:872] **FATAL_ERROR** ....open of /var/lib/ntop/addressQueue.db failed: File write error
07/Nov/2003 14:54:00 [initialize:884] 1. Is another instance of ntop running?
07/Nov/2003 14:54:00 [initialize:885] 2. Make sure that the use you specified can write in the target directory
Program exited with code 0377. (gdb)
Regards
Julien
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