On Tue, 2002-11-05 at 11:41, web master wrote: > > > > hello > i'm running a redhat machine and while checking > [root@localhost root]# ifconfig -a ... > tunl0 Link encap:IPIP Tunnel HWaddr > NOARP MTU:1480 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) > > i see tunl0 and i dont know who made it and why is it there its always 0.0 b > and its always there even if ppp0 isnt up , so i'd like to investigate this > , is my machine compromised or a software made it , please help me with it . This looks like a virtual network interface created by the tun.o kernel module. Check the output of 'lsmod' and see if you see any modules with "tun" in the name. You can also do a search on Google for "vtund" -Ben.