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Date:      Wed, 25 Mar 2009 19:51:21 -0700
From:      Nerius Landys <nlandys@gmail.com>
To:        jimmiejaz@gmail.com
Cc:        freebsd-questions@freebsd.org
Subject:   Re: nmap as user works, root doesn't
Message-ID:  <560f92640903251951t35d873f1ydea701c8e1b5cde0@mail.gmail.com>
In-Reply-To: <49CAEAD3.60304@gmail.com>
References:  <49CAEAD3.60304@gmail.com>

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Try compiling your kernel with bpf enabled.  I had the same or at
least a similar problem to what you're having and enabling device bpf
in the kernel fixed the problem.

On Wed, Mar 25, 2009 at 7:39 PM, Jimmie James <jimmiejaz@gmail.com> wrote:
> Can anyone make sense of this?
> Straight DSL connection, no router.
> using -e [any interface] results in the same errors
>
> nmap-4.76
>
> As root:
> #nmap -v -v google.ca
>
> Starting Nmap 4.76 ( http://nmap.org ) at 2009-03-25 22:35 EDT
> Warning: Hostname google.ca resolves to 3 IPs. Using 64.233.161.104.
> WARNING: Unable to find appropriate interface for system route to
> 64.230.197.58
> nexthost: failed to determine route to 64.233.161.104
> QUITTING!
>
> As user:
> ~>nmap -v -v google.ca
>
> Starting Nmap 4.76 ( http://nmap.org ) at 2009-03-25 22:35 EDT
> Warning: Hostname google.ca resolves to 3 IPs. Using 64.233.187.104.
> Initiating Ping Scan at 22:35
> Scanning 64.233.187.104 [1 port]
> Completed Ping Scan at 22:35, 0.08s elapsed (1 total hosts)
> Initiating Parallel DNS resolution of 1 host. at 22:35
> Completed Parallel DNS resolution of 1 host. at 22:35, 0.06s elapsed
> Initiating Connect Scan at 22:35
> Scanning jc-in-f104.google.com (64.233.187.104) [1000 ports]
>
> #nmap -iflist
>
> Starting Nmap 4.76 ( http://nmap.org ) at 2009-03-25 22:35 EDT
> ************************INTERFACES************************
> DEV  (SHORT) IP/MASK          TYPE        UP MAC
> fxp0 (fxp0)  192.168.2.100/24 ethernet    up 00:11:D8:11:B7:4E
> rl0  (rl0)   172.16.0.1/24    ethernet    up 00:E0:29:51:C7:61
> xl0  (xl0)   10.10.10.2/24    ethernet    up 00:04:75:C7:27:DA
> lo0  (lo0)   127.0.0.1/8      loopback    up
> tun0 (tun0)  76.71.17.226/24  point2point up
>
> WARNING: Unable to find appropriate interface for system route to
> 64.230.197.58
> **************************ROUTES**************************
> DST/MASK         DEV  GATEWAY
> 64.230.197.58/32 tun0 76.71.17.226
> 127.0.0.1/32     lo0  127.0.0.1
>
>
> Routing tables
>
> Internet:
> Destination        Gateway            Flags    Refs      Use  Netif Expire
> default            64.230.197.58      UGS         0   832901   tun0
> 10.10.10.0/24      link#3             UC          0        0    xl0
> 10.10.10.3         02:01:02:7b:3c:72  UHLW        1    57249    xl0   1004
> 64.230.197.58      76.71.17.226       UGH         1        2   tun0
> 127.0.0.1          127.0.0.1          UH          0      303    lo0
> 172.16.0.0/24      link#2             UC          0        0    rl0
> 172.16.0.255       ff:ff:ff:ff:ff:ff  UHLWb       1       18    rl0
> 192.168.2.0/24     link#1             UC          0        0   fxp0
> 192.168.2.1        00:0b:23:9c:f9:0c  UHLW        1        1   fxp0    448
>
> #ifconfig
> fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>        options=8<VLAN_MTU>
>        ether 00:11:d8:11:b7:4e
>        inet6 fe80::211:d8ff:fe11:b74e%fxp0 prefixlen 64 scopeid 0x1
>        inet 192.168.2.100 netmask 0xffffff00 broadcast 192.168.2.255
>        media: Ethernet autoselect (100baseTX <full-duplex>)
>        status: active
> rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>        options=8<VLAN_MTU>
>        ether 00:e0:29:51:c7:61
>        inet6 fe80::2e0:29ff:fe51:c761%rl0 prefixlen 64 scopeid 0x2
>        inet 172.16.0.1 netmask 0xffffff00 broadcast 172.16.0.255
>        media: Ethernet autoselect (none)
>        status: no carrier
> xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>        options=9<RXCSUM,VLAN_MTU>
>        ether 00:04:75:c7:27:da
>        inet6 fe80::204:75ff:fec7:27da%xl0 prefixlen 64 scopeid 0x3
>        inet 10.10.10.2 netmask 0xffffff00 broadcast 10.10.10.255
>        media: Ethernet autoselect (100baseTX <full-duplex>)
>        status: active
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>        inet6 ::1 prefixlen 128
>        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
>        inet 127.0.0.1 netmask 0xff000000
> tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1492
>        inet 76.71.17.226 --> 64.230.197.58 netmask 0xffffff00
>        Opened by PID 13443
>
>
> --
> Over the years I've come to regard you as people I've met.
>
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