Nmap Development: Re: Nmap unable to find appropriate interface

[Alexander Zinoviev <jason-z () yandex ru>]

 Hi, David.

> >  I have some problem with nmap:
> >
> > # nmap -e tun0 ya.ru
> >
> > Starting Nmap 4.68 ( http://nmap.org ) at 2008-09-19 20:55 YEKST
> > WARNING: Unable to find appropriate interface for system route to
> > 91.144.136.69
> > nexthost: failed to determine route to 213.180.204.8
> > QUITTING!
> >
> > # ifconfig
> > rl0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0
> > mtu 1500
> > options=8<VLAN_MTU>
> > ether 00:e0:4d:07:9f:6a
> > inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
> > media: Ethernet autoselect (100baseTX <full-duplex>)
> > status: active
> >
> > tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1492
> > inet 10.71.16.21 --> 91.144.136.69 netmask 0xffffffff
> > Opened by PID 1260
> >
> > # netstat -rn
> > Routing tables
> >
> > Internet:
> > Destination Gateway Flags Refs Use Netif Expire
> > default 91.144.136.69 UGS 0 13843 tun0
> > 91.144.136.69 10.71.16.21 UGH 1 2 tun0
> > 127.0.0.1 127.0.0.1 UH 0 560 lo0
> > 192.168.0.0/24 link#1 UC 0 0 rl0
> >
> > I don't understand reason of problem. Can anybody help?
> Can you send the output of
>
>       nmap --iflist
# nmap --iflist

Starting Nmap 4.76 ( http://nmap.org ) at 2008-10-20 13:17 YEKST
************************INTERFACES************************
DEV  (SHORT) IP/MASK        TYPE        UP MAC
rl0  (rl0)   192.168.0.1/24 ethernet    up 00:E0:4D:07:9F:6A
lo0  (lo0)   127.0.0.1/8    loopback    up
tun0 (tun0)  10.71.16.21/32 point2point up

WARNING: Unable to find appropriate interface for system route to 
91.144.136.69
**************************ROUTES**************************
DST/MASK         DEV  GATEWAY
91.144.136.69/32 tun0 10.71.16.21
127.0.0.1/32     lo0  127.0.0.1

With best regards, 
Alexander Zinoviev.


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