Nmap Development mailing list archives
Re: "dnet: Failed to open device" errors on AIX, as root
From: David Fifield <david () bamsoftware com>
Date: Wed, 21 Nov 2012 16:16:16 -0800
On Sun, Nov 11, 2012 at 12:14:47PM -0500, Ben Lentz wrote:
On 11/11/12 11:44 AM, David Fifield wrote:On Sat, Nov 10, 2012 at 10:31:52AM -0500, Ben Lentz wrote:I have downloaded and compiled Nmap 6.01 on AIX. Any time I perform any type of scan, as root, on any IP address on the interface's local network, I get the classic "dnet: Failed to open device" error. However, when I perform a scan of an IP or network that's off network, it works just fine.What's the output of these commands? nmap --iflist nmap --route-dst 10.0.17.1 nmap --route-dst 10.0.18.1W/root: $ sudo nmap --iflist Starting Nmap 6.01 ( http://nmap.org ) at 2012-11-11 12:10 EST ************************INTERFACES************************ DEV (SHORT) IP/MASK TYPE UP MTU MAC en2 (en2) 10.0.17.14/24 ethernet up 1500 9E:8B:F7:E6:00:0B lo0 (lo0) 127.0.0.1/8 loopback up 16896 lo0 (lo0) ::1/0 loopback up 16896 **************************ROUTES************************** DST/MASK DEV GATEWAY 10.0.17.255/32 en2 10.0.17.14 10.0.17.0/32 en2 10.0.17.14 10.0.17.14/32 lo0 127.0.0.1 10.0.17.0/24 en2 10.0.17.14 10.0.17.0/24 en2 10.0.17.14 127.0.0.0/8 lo0 127.0.0.1 0.0.0.0/0 en2 10.0.17.1 $ sudo nmap --route-dst 10.0.17.1 10.0.17.1 en2 en2 srcaddr 10.0.17.14 direct $ sudo nmap --route-dst 10.0.18.1 10.0.18.1 en2 en2 srcaddr 10.0.17.14 nexthop 10.0.17.1
This is difficult to diagnose because we can't reproduce it. The reason it fails only for on-link targets is because it's trying to do ARP scan, which requires sending via an Ethernet handle, which is the part that's failing. As a workaround, you can try the --send-ip option. Here are some other things you can try: Do you have /dev/bpf* devices? Try running "sudo truss nmap --route-dst 10.0.17.1" and sending us the truss log. This will show if there is a system call that is failing and causing the error. David Fifield _______________________________________________ Sent through the nmap-dev mailing list http://cgi.insecure.org/mailman/listinfo/nmap-dev Archived at http://seclists.org/nmap-dev/
Current thread:
- "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 10)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 11)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 12)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 21)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 22)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 22)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 23)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 23)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 12)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 11)
- <Possible follow-ups>
- "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Dec 07)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Dec 08)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Dec 08)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Dec 10)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Dec 10)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Dec 10)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Dec 08)