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Ticket Resolution Summary Owner Reporter
#2899 obsolete nmap does not work on host attached tap devices z1
Description

hi i have a virtualbox installed on a debian/testing

i have a win32 xp guest system.

The host has a tap0 device with 192.168.30.1 ip address the guest has a host interface under 192.168.30.2 attached to tap0

i can ping the guest from the host and the host from the guest

ping 192.168.30.2
PING 192.168.30.2 (192.168.30.2) 56(84) bytes of data.
64 bytes from 192.168.30.2: icmp_seq=1 ttl=128 time=3.02 ms

but if i try to nmap the guest from the host it does not work (even with -PN)

nmap -v -A 192.168.30.2

Starting Nmap 4.62 ( http://nmap.org ) at 2008-12-26 14:22 CET
Initiating ARP Ping Scan at 14:22
Scanning 192.168.30.2 [1 port]
Completed ARP Ping Scan at 14:22, 0.21s elapsed (1 total hosts)
Read data files from: /usr/share/nmap
Note: Host seems down. If it is really up, but blocking our ping probes, try -PN
Nmap done: 1 IP address (0 hosts up) scanned in 0.287 seconds
           Raw packets sent: 2 (84B) | Rcvd: 0 (0B)

i can not identify exactly the problem. but if i tcpdump on tap0 i noticed a strange behavior on arp requests

14:10:24.471499 arp who-has 192.168.30.2 tell 192.168.30.1
14:10:24.471749 00:02:08:00:27:1c (oui Unknown) > 00:01:08:00:06:04 (oui Unknown), ethertype Unknown (0xa9db), length 46: 
	0x0000:  c0a8 1e02 c205 a87b 714f c0a8 1e01 804b  .......{qO.....K
	0x0010:  2910 0001 0000 0000 0001 2046 4845 5046  )..........FHEPF

i did not used virtualbox for a while as i was waiting for some feature from that version but i m pretty sure that nmap worked like a charm in the 2.0 series.

#2903 obsolete Dial Up Internet stops working after change in native xp pro sp3 Denny
Description

the native system is windows xp pro service pack 3.

i use a dial up internet service, i am too poor and too far from any city to have broadband.

my dial up internet works with vbox untill i make a networking change, sometimes as simple as changing the name of my workgroup. at that time i will no longer be able to connect to the internet in any of my many linux distro's. then my options are 1, hope there is a new version of vbox, this repairs my internet, or 2 format and reinstall my native os.

My native os will still have internet after i make the change, my vm's (none of the 20 plus) will have internet. My file server, which i never change will still have internet access to it's 3-4 various linux distro's that are vm'ed.

I know where the bug is, it's not in my native os or in any of the vm's, it's in the program itself. I am sure there must be a way to have virtualbox repair it's network connections. something it does while updating fixes this problem.

I am forced to bring my machine to work to update and also to study new linux distro's, which is a big part of my job. but i do a lot of work at home, which means i need my vm'ed distro's to have internet access, and my job forces me to change my workgroup name several times a year. (i know you can look into other workgroups and gain access to them without changing your workgroup name, but not in this case.)

I beg of you, don't tell me to get broadband, change my os or anything else.. i know this is fixable, and that the problem is not my hardware or software, my networking or my vm's, it's virtualbox.

I have asked this question both on the forum and the vbox irc chat channel.

Last but not least, if i have come across as a jerk, i apologize, but i have been working on this problem for quite some time now, and with the other mediums at my disposal, the poeple trying to help me would not consider the bug to be in virtualbox myself, after the past year and a half of trying to figure this out, i know this is virtualbox not handling the changes properly.

Thank You Dennis Gutowski.

#2912 obsolete USB Mice Unresponsive Upon First Run of VirtualBox Kevin Dean
Description

The first time VirtualBox is run on Windows Server 2008, USB Mice become unresponsive. Later runs do not cause this problem.

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