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• Internet connection & IIS stopped on windows xp after VMware server 2 installation

  - by Eduardo Xavier

  Hi, I'm running a local network. My IP ranges from 192.168.1.2 to 192.168.1.15. All IP are static ones. And my router's IP is 192.168.1.1 and I provide it as default gateway and preferred DNS server on client machines. Everything worked fine on this scenario. I could use internet and reach services on other machines. BUT I have installed VMware server 2 on the windows XP to host windows 2003 Virtual Machine (VM). I set the following configuration: Windows XP's => 192.168.1.11. Windows 2003 => 192.168.1.12. (virtual machine) This approach worked just fine as it used to work with Microsoft Virtual PC. I can access mysql & IIS websites on the windows 2003 virtual machine. BUT two things doesn't work anymore on the Windows XP: internet connection - but I can see the MAC address on the wireless router IIS - Ping on 127.0.0.1 it's ok as I can hit localhost:8222 nor localhost Does anyone knows how to fix any of this? (at least the internet connection)

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• Bridged network on OS X only gets UDP broadcast traffic

  - by a paid nerd

  I've created a bridged network Mac OS X 10.8.5 using ifconfig and TUNTAP for OS X to bridge my wireless connection, en0, with a virtual interface, tap0, which I can use for guest VMs: $ sudo sysctl -w net.inet.ip.forwarding=1 $ sudo sysctl -w net.link.ether.inet.proxyall=1 $ sudo sysctl -w net.inet.ip.fw.enable=1 $ sudo ifconfig bridge0 create $ sudo ifconfig bridge0 addm en0 addm tap0 $ sudo ifconfig bridge0 up $ ifconfig en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether 28:cf:xx:xx:xx:xx inet6 xxxx::xxxx:xxxx:xxxx:xxxx%en0 prefixlen 64 scopeid 0x4 inet 192.168.100.64 netmask 0xffffff00 broadcast 192.168.100.1 media: autoselect status: active bridge0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether ac:de:xx:xx:xx:xx Configuration: priority 0 hellotime 0 fwddelay 0 maxage 0 ipfilter disabled flags 0x2 member: en0 flags=3<LEARNING,DISCOVER> port 4 priority 0 path cost 0 member: tap0 flags=3<LEARNING,DISCOVER> port 8 priority 0 path cost 0 tap0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 ether ca:3d:xx:xx:xx:xx open (pid 88244) However, if I tcpdump -i tap0, I only see broadcast traffic. Shouldn't I see a mirror of everything on en0? (192.168.100.33, the host doing the broadcasting, is another unrelate, noisy server on my LAN.) (I asked a similar question here and will probably close it.)

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• OS X can't copy files from Windows Home Server...over wifi.

  - by John Clayton

  I'm a brand spanking new user of OS X, coming from a lifetime of Windows use. I've been setting up my new Macbook Pro and have run into a very unusual problem. Over wifi, I am unable to copy files to or from my Windows Home Server. The problem seems to exist only over wifi, and only to WHS. Here are the details of my setup: 2010 Macbook Pro (Core i7), OS X 10.6.3 Windows Home Server PP3 (virtualized in XenServer 5.5) Windows 7 Ultimate x64 desktop Windows 7 Ultimate x64 in Boot Camp D-Link DIR-655 wireless N router Here is what I've done to narrow down the problem: Files copy fine from WHS to OS X when using gigabit ethernet Files copy fine from desktop to OS X when using gigabit ethernet Files fail to copy from WHS to OS X when using wifi (error -51) Files copy fine from desktop to OS X when using wifi Files copy fine from WHS to Boot Camp when using wifi Files copy fine from desktop to Boot Camp when using wifi From what I can tell, it seems to be some sort of issue between OS X and WHS, but I can't for the life of me see what would be different between shares on WHS and my desktop. They are both connected using smb://ADDRESS (I've tried both by IP and name). I can browse the shares on the WHS, but copying to OS X fails. I originally found the issue while installing VS2010 off an ISO from WHS, mounted to a Windows 7 VM using VMware Fusion. During the installation the VM was unusable - even the clock got behind the host be about 8 minutes. Once I plugged in the ethernet and disabled the wifi things picked up and finished quickly. The Fusion 3.1 RC is the only I think of that I installed that may have messed with the wifi driver. I've also tried resetting the wifi router, and have changed it from being G & N to N-only. Under Boot Camp I get similar speeds as my wife's N laptop. Any ideas? Thanks!

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• What do "Unknown SSAP" and "Unknown DSAP" mean in tcpdump?

  - by lacker

  While trying to fix a problem with intermittently losing internet connection on a machine with a wireless connection to a router, I ran tcpdump and noticed packets with "Unknown SSAP" and "Unknown DSAP" errors coming at a rate of a few per second. 20:27:21.703178 00:24:a5:af:24:f6 (oui Unknown) Unknown SSAP 0xde > 1c:65:9d:48:38:95 (oui Unknown) Unknown DSAP 0xe2 Information, send seq 0, rcv seq 16, Flags [Response], length 171 20:27:21.724726 00:24:a5:af:24:f6 (oui Unknown) Unknown SSAP 0xde > 1c:65:9d:48:38:95 (oui Unknown) Unknown DSAP 0xe2 Information, send seq 0, rcv seq 16, Flags [Response], length 104 20:27:21.746449 00:24:a5:af:24:f6 (oui Unknown) Unknown SSAP 0xde > 1c:65:9d:48:38:95 (oui Unknown) Unknown DSAP 0xe4 Information, send seq 0, rcv seq 16, Flags [Response], length 88 20:27:21.970963 00:24:a5:af:24:f6 (oui Unknown) Unknown SSAP 0xde > 1c:65:9d:48:38:95 (oui Unknown) Unknown DSAP 0xe8 Information, send seq 0, rcv seq 16, Flags [Response], length 76 20:27:22.016565 00:24:a5:af:24:f6 (oui Unknown) Unknown SSAP 0xde > 1c:65:9d:48:38:95 (oui Unknown) Unknown DSAP 0xea Information, send seq 0, rcv seq 16, Flags [Response], length 88 20:27:22.038471 00:24:a5:af:24:f6 (oui Unknown) Unknown SSAP 0xde > 1c:65:9d:48:38:95 (oui Unknown) Unknown DSAP 0xea Information, send seq 0, rcv seq 16, Flags [Response], length 171 What does the "Unknown SSAP" and "Unknown DSAP" mean, and does it indicate a problem?

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• Problem linking two Cisco routers with a static route

  - by Chris Kaczor

  I'm trying to link two Cisco routers with a static route and I haven't been able to get it working as expected. Here is the basic setup: Router 1 - WRV210 - 192.168.1.1 - connected to cable modem Router 2 - RV120W - 192.168.2.1 I already have several machines on Router 1 that are working and I want to setup Router 2 with a few other machines on the different subnet. Here is what I've configured: Connected the WAN port on Router 2 to a LAN port on Router 1 Configured Router 1 to give 192.168.1.2 to Router 2 via DHCP Configured Router 1 with a static route (192.168.2.0 mask 255.255.255.0) to 192.168.1.2 using the LAN & Wireless interface Disabled the firewall on Router 2 (since it is covered by Router 1) Configured Router 2 to "Router" mode instead of "NAT" mode Configured Router 2 with a static route (192.168.1.0 mask 255.255.255.0) to 192.168.1.1 using the WAN interface From the research I've done I think that should be enough but things aren't working exactly as expected: Router 2 can ping 192.168.1.1 and 192.168.1.101 (a machine on router 1) A machine on Router 2 can ping 192.168.1.1 and 192.168.1.101 (a machine on router 1) ping 192.168.1.1 and 192.168.1.101 (a machine on router 1) Router 1 can NOT ping 192.168.2.1 or 192.168.2.101 (a machine on router 2) A machine on Router 1 can NOT ping 192.168.2.1 or 192.168.2.101 (a machine on router 2) can NOT ping 192.168.2.1 or 192.168.2.101 (a machine on router 2) Router 1 and a machine on Router 1 can ping 192.168.1.2 (Router 2 itself) I'm confused as to why Router 1 cannot talk to the 192.168.2.0/255.255.255.0 subnet. Any help would be greatly appreciated.

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• Windows 7 - Windows XP - sharing - why isn't working?

  - by durumdara

  Hi! This is seems to be "hardware" and not "software" / "programming" question, but I need to use this share in my programs, so it is "close to programming". We had an XP based wireless network. The server is XP Professional, the clients are XP Home (Notebooks). This was working well with folder sharing (with user rights, not simple share). Then we replaced the one of the notebook with Win7/X64 notebook. First time this can reach the server, and the another client too. Later I went to another sites, and connect to another servers, another networks. And then, when I return to this network, I saw that I cannot connect to this server. Nothing of resources I see, and when try to dbl click on this computer, I got login window, where I can write anything, never I can login... The interesting part, that: Another XP home can see the server, can login as quest, or with other user. The server can see the XP home notebook. The Win7 can see the notebook's shared folders, and XP home can see the Win7 shared folders. The server can see the Win7 folders, BUT: the Win7 cannot see the server folders. Cannot see the resources too... The Win7 is in "work networking group", the group name is not mshome. I tried everything on the server, I tried to remove MS client, restore it with simple sharing, set guest password, etc., but I lost the possibilities to access this server from Win7. Does anyone have any idea what I need to see, what I need to set to access these resource - to use them in my programs? Thanks for every info, link: dd

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• 1 document pending in printer queue in System Tray that won't go away

  - by White Phoenix

  Edit: I didn't want to do it, but I restarted my computer - cleared the problem right away. Though if I were running a Windows 2003/2008 server, I would hate to have to restart the domain controller just to get rid of this irritating problem. If I run into this problem again, I'm going to try that remove printer/reinstall printer thing. Thanks for your help @Psychogeek. Points for your attempt. Running Windows 7, 32-bit Professional. My printer is an HP OfficeJet Wireless 8500. It's connected to my network wirelessly through TCP/IP as a standalone device. I was having some print problems awhile back and had to do some print spooler stuff as part of my troubleshooting (stopping the Print Spooler service, clearing the print spooler files from C:\Windows\System32\spool\PRINTERS and then restarting the service). I've finally narrowed it down to it being application specific, so that's that. However, as a leftover from all that troubleshooting, my printer icon is stuck in the tray - when I mouseover the icon, Windows says that there is 1 document(s) pending for my username. However, when I open up that printer's queue, there's nothing in there. I restarted the Printer Spooler service and also checked C:\Windows\System32\spool\PRINTERS if there's anything in there - nothing. I did a quick Google search and an answer from one of those "reps" at the Microsoft Socialnet site says for me to uninstall and reinstall the printer. The funny thing is, when I send print jobs, they print just fine - that 1 mystery document stuck in queue isn't stopping anything from happening. Short of having to do that, are there any other quick troubleshooting steps I may be missing?

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• How to restore broken Ethernet functionality on Mac G5 running Mac OS 10.4.11 (Tiger)

  - by willc2

  I had a disk error that rendered my Mac unbootable. I repaired it with Tech Tool 4, but now networking does not work. Network Preferences reports that my Ethernet cable is unplugged. I know this is bogus because when I boot from an emergency partition, networking works correctly. Furthermore, wireless networking is also broken, which I tested with a known-good Wi-Fi dongle. Whenever I try to change Network Port Configurations by creating a New or Renaming an existing one, example: I get this message in the console: Error - PortScanner - setDevice, device == nil! Error - PortScanner - setDevice, device == nil! In sets of two as shown. When I try to invoke the Network Diagnostics app, it immediately crashes. My first thought is to reinstall Tiger with the Archive and Install method so I don't have to reinstall all my applications but I have lost my Tiger installer disk. My next thought is to buy Leopard for $107 on Amazon. If there is any way I can just repair my Tiger install I would be happy to save that money, though. This is not my main machine and I am loathe to put more money into it. How can I recover my network functionality? UPDATE: I found my Tiger install disk and tried an Archive and Install. It failed with an unhelpful error message along the lines of "Can't install, try again". I tried again but had the same error. My guess is, some corrupt or missing file in my User folder is preventing migration. I have a backup created with Super Duper that is a bit out of date but will startup the machine (with functional networking). I would love to just copy over the file(s) that got messed up but I don't even know where to look. What is the likely location of the System files that would cause the aforementioned symptoms?

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• Dropbox failing to update?

  - by Mick

  I have two PC's at home. One XP the other Windows 7-64bit. I have a word document that I edit on either PC - to enable this I have the file stored in a Dropbox folder. This usually works fine - but sometimes I find that the file does not get updated on my windows7 PC. I.e. I edit the file on my Windows XP machine, then go to my Windows 7 PC and see that there is a previous, old, datestamp on the file and sure enough if I open up the file to have a look, I see that the latest edits are not included. If I right-click on the file and select "Browse on Dropbox website" I see that the latest file is correctly there. Surely there must be some option to say please update this file - but can find no such thing. Has something gone wrong? I should point out that my wireless internet connection is a little intermittent - could this have caused some glitch? By the way I do not leave the old file open in word on my Windows-7 PC as I can well imagine that would cause trouble. Also I should mention that the icon on the document has the little green tick on it showing that Dropbox is not in the process of doing a transfer. Also the Dropbox icon in my system tray also has the green tick - so Dropbox is not busy transferring some other file(s). If I hover the mouse over the Dropbox icon I get the tooltip "All files up to date".

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• can't ssh within LAN, but can connect from outside

  - by Patrick B.

  A strange issue: I have a desktop running Ubuntu 10.04 behind a Netgear WNR1000 router performing NAT. I would like to be able to ssh into the desktop from my laptop (running Windows 7 and Cygwin). When at home, both the desktop and the laptop are connected by wireless (the desktop is in a different room from the router). sshd seems to be running fine, since ssh localhost from the desktop works without trouble. Also, ssh my.ip.address from my laptop when it is not behind the router works fine (I am forwarding port 22 on the router to my desktop). However, ssh same.ip.address from within the LAN fails with "Connection refused". ssh 192.168.local.ip.address fails with a different message, "Connection timed out". I can connect if I first ssh to a machine outside the LAN. So far I haven't found anything with Google because with the search terms that seem like they would be relevant, the vast majority of people have the opposite problem - i.e., they can't connect from outside the LAN but can connect within it. I can port forward through a remote server when I'm at home, but this seems like a totally absurd way to connect two computers on the same home LAN. I have already tried stopping and starting sshd on the desktop. Any thoughts?

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• Why can't I route to some sites from my MacBook Pro that I can see from my iPad?

  - by Robert Atkins

  I am on M1 Cable (residential) broadband in Singapore. I have an intermittent problem routing to some sites from my MacBook Pro—often Google-related sites (arduino.googlecode.com and ajax.googleapis.com right now, but sometimes even gmail.com.) This prevents StackExchange chat from working, for instance. Funny thing is, my iPad can route to those sites and they're on the same wireless network! I can ping the sites, but not traceroute to them which I find odd. That I can get through via the iPad implies the problem is with the MBP. In any case, calling M1 support is... not helpful. I get the same behaviour when I bypass the Airport Express entirely and plug the MBP directly into the cable modem. Can anybody explain a) how this is even possible and b) how to fix it? mella:~ ratkins$ ping ajax.googleapis.com PING googleapis.l.google.com (209.85.132.95): 56 data bytes 64 bytes from 209.85.132.95: icmp_seq=0 ttl=50 time=11.488 ms 64 bytes from 209.85.132.95: icmp_seq=1 ttl=53 time=13.012 ms 64 bytes from 209.85.132.95: icmp_seq=2 ttl=53 time=13.048 ms ^C --- googleapis.l.google.com ping statistics --- 3 packets transmitted, 3 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 11.488/12.516/13.048/0.727 ms mella:~ ratkins$ traceroute ajax.googleapis.com traceroute to googleapis.l.google.com (209.85.132.95), 64 hops max, 52 byte packets traceroute: sendto: No route to host 1 traceroute: wrote googleapis.l.google.com 52 chars, ret=-1 *traceroute: sendto: No route to host traceroute: wrote googleapis.l.google.com 52 chars, ret=-1 ^C mella:~ ratkins$ The traceroute from the iPad goes (and I'm copying this by hand): 10.0.1.1 119.56.34.1 172.20.8.222 172.31.253.11 202.65.245.1 202.65.245.142 209.85.243.156 72.14.233.145 209.85.132.82 From the MBP, I can't traceroute to any of the IPs from 172.20.8.222 onwards. [For extra flavour, not being able to access the above appears to stop me logging in to Server Fault via OpenID and formatting the above traceroutes correctly. Anyone with sufficient rep here to do so, I'd be much obliged.]

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• Ctrl + 1 and Ctrl + 2 key combinations don't work

  - by musicfreak

  I noticed back in August (when I got StarCraft 2) that the key combinations Ctrl + 1 and Ctrl + 2 didn't work. I thought this was weird because Ctrl + 3 and all the other combinations worked fine (including Shift + 1, etc), so I didn't think much of it; I just shrugged it off as a SC2 bug. Now, 4 months later, I decided to play a completely unrelated game--Dawn of War 2--and noticed the same thing: those two specific key combinations don't work. To make sure I wasn't going insane, I tried it in Chrome and a couple other applications, and alas, it didn't work. I remember playing strategy games over the summer before StarCraft 2 and it worked fine. Any idea as to what went wrong? My keyboard, a Microsoft Wireless Keyboard 1000 (I know, insert Microsoft joke here), is a little over a year old, so I'm going to assume it's not dying until proven otherwise. Things I've tried ActiveHotkeys says the key combination is not a global hotkey. Tried another keyboard--still doesn't work. The key combinations do work in a virtual machine (tried with both Windows and Ubuntu as guests).

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• WD my cloud 4th is Super Slow

  - by Saduser

  I am using a WD my cloud 4Tb and I have read other posts about users complaining about getting only 10Mb per second. My problem is that I am getting about 100kb/s to transfer a 125gb iPhoto library. Estimated time is 11 days to transfer this file. This is unacceptable. On the back of the WD cloud I am getting a solid green light and from what I read this means that I am on a gigabyte network. I have mac book pro running Mac OS Mavericks. I have tried 4 different cables and turned off my router firewall. I don't run anti-virus nor any firewall on the mac. Other things I have checked: direct connection to both router and WD cloud device. Tried wireless but it is even slower. Previously I was able to transfer a 55Gb iPhoto library in 14 hours which I felt was acceptable. I figured it would take approximately double the time to transfer the 125gb file but 11 days is ridiculous. Any other suggestions? Anything else I can check (how to check it) what is the bottle neck?

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• Linux Sound Drivers - Recompiling kernel with ehcd-hcd module

  - by jhome

  I just installed Linux Mint and I am trying to get my usb soundcard to work. I am completely new to Linux so I have only been learning about all the important parts of the OS this afternoon. No one I know has compiled kernel so I can't ask anyone. I am following instructions on this site: http://wiki.ubuntuusers.de/Benutzer/BigMc#Final-setup-of-US-122L-US-144 "Recompile your Kernel with ehcd-hcd as a module: Instructions for Ubuntu (german) Change "Device Drivers - USB support - EHCI HCD (USB 2.0) support)" to "M" when configuring. Make sure you also install the kernel headers." I know how to do any of these processes. Someone mentioned a package manager. Is recompiling basically in layman's terms reinstallation? Where do I go to the change device drivers? Cheers Edit: I am attempting to be able to use my Tascam US-144 on Linux Mint. Apparently, to use it properly it has to regress to functionality of a former unit (US-122), so according to the instructions a USB port has to be USB 1.0, rather than USB 2.0. I've tried using that ndis** programme for wireless drivers but with no success.

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• Can't do more than one activity at a time after switching modems

  - by vallorn

  I had to replace the Motorola 2210 DSL modem that I got when I signed up for AT&T DSL Direct a few years ago. The modem kept randomly restarting and it eventually gave out on me. I am assuming overheating was the cause here because it was almost too hot to touch. In any case, I replaced it with a Netgear DM111PSP. It works fine but I can't do more than one activity at a time with it. If my wife is watching Netflix, there is a noticeable delay/latency when trying to view web sites. It's even worse if I try to play an on-line game while she's streaming; the game is basically unplayable. The odd thing is, the only other activity I can do while she's streaming is stream another Netflix show myself. There is no delay when doing that, no buffering either. I'm not a networking guy so maybe there is an explanation for it but I find that kind of odd. I've tried using QoS through my Buffalo N600 wireless router and it doesn't seem to help. With the old Motorola modem, she could be watching Netflix while I play a game and everything worked just fine. Is there anything I can check or reconfigure possibly on the modem that would account for this? Should I just ditch the Netgear and get another modem instead? I have the Netgear modem connected to the Buffalo router in a bridged mode. Its the same exact setup as I had with the Motorola and as far as I can tell, it's not the router that is the cause.

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• can't properly shutdown ubuntu and sound problem on HP mini 311 netbook

  - by Viele

  hi, I recently bought a HP mini 311 netbook. I replaced its harddrive and installed ubuntu 10.04. Since then, I have encountered some very strange problem with its sound and shutdown/reboot. At times, when I start the computer, it will have no sound, on the GUI the sound is at max, but no sound is available. This sometimes also happen after after upgrades, hibernate, and toggling the wireless radio button. Strangely, when the sound is out the device will also refuse to be shutdown. If I shutdown the computer using the GUI, it will simply go back to the log in screen without actually shutting down. If I use "sudo shutdown 0", the computer will hang on the loading screen of the shut down process. I had to force the pc to shutdown by holding the power button down. usually (probably always) after I force a turn-off then start off again. the sound and shutdown become normal. I wonder if anyone have clues regarding to the cause of this problem. This the info about the computer: 1) installed ubuntu 10.04LTS RC, later upgraded to formal released version. 2) cat /proc/asound/version == "Advanced Linux Sound Architecture Driver Version 1.0.21." however, when doing 'alsaconf' the version displayed is 1.0.23 any help is appreciated. Thanks

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• Xp SP3 - Non-Functioning

  - by Josh

  Ok Here is a crazy problem, I have a HP dv6000 Laptop that can no longer hold a charge, so I hooked it up to my TV, bought a wireless mouse and keyboard and configured xp to run with the lid closed, It has medium to heavy usage mainly just streaming from sites like Netfilx, Hulu, ABC, etc. And playing movies I ripped of dvd. It ran fine for a while but recently it has been having some weird problems: Problem one: I used to use firefox but now when run it I can type but as soon as I click something it just shuts down, completely, I can't even close it unless I use taskmanager to do it. So I went and got google chrome which is better but still hit or miss, but never completely shuts down, I just can't click anything or type anything, or sometimes I just can't type anything or vice versa. Also when I open a new tab, and try to move back to my old one, it automatically closes the old tab when I click on it. Problem two: When using the internet I can't use any other application or anything windows (ie. Windows explorer) until I force quit all browsers with taskmanger. The reason I can't run anything is because I can't click on it. Problem three: When I try to play a movie (with vlc) Once it starts playing I can't click on anything, but I can use hotkeys, and once it stops everything is fine again. Well I hope somebody knows whats going on because I have no clue, If you need clarification or more info on something I would be happy to provide it...

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• Accounting setup in freeradius with mikrotik and the "always" module

  - by Matt

  I have a freeradius setup that is being used to provide authentication for users on a wireless network. The access points are all Mikrotik hardware and the users are connected 24/7. We've been using Daloradius with mysql and freeradius 2. The boss wants to use the accounting information and while this is all set up and appears to be working, I've found that not all the accounting information is present. Since our users may be connected for more than 24 hours at a time we keep this in here, it will reset some attributes daily so that the accounting packets work correctly. So he started poking around at this link: http://wiki.mikrotik.com/wiki/RouterOs_MySql_Freeradius#Configuring_RouterOs_for_Radius_.26_PPP.2A_AAA And was looking specifically at the following section. Since our users may be connected for more than 24 hours at a time we keep this in here, it will reset some attributes daily so that the accounting packets work correctly always fail { rcode = fail } always reject { rcode = reject } always ok { rcode = ok simulcount = 0 mpp = no } However, that link references freeradius 1 and I can't find this in the radius.conf file for freeradius 2. What does it do and could it be a reason I'm missing data? EDIT: I have found one issue. We have a backup freeradius server that is also receiving the accounting packets. Although they are replicating, it's only a master/slave configuration. If the slave receives accounting packets it won't replicate them back to the master. Although I suspect this might solve it, the boss is not convinced due to the always module. Is there anything special I need to configure in the mikrotik AP's or freeradius 2 for clients connected 24/7.

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• Can't ping my Window 7 machine from within a Windows XP virtual machine

  - by Jonathan Conway

  I have Windows 7 installed as my primary operating system, on a laptop that's on my home network (wireless). I'm using Microsoft Virtual PC 2007 SP1 to run a virtual machine of Windows XP SP3, in which I want to access the Windows 7 instance, both to browse a shared folder and access the local Apache server. So far I can ping my Windows 7 IP address (IPv4) and access the apache server through the web browser through HTTP. However using my machine name never seems to work. Pinging it fails, and I can't access my apache server using it either. The problem seems to be something to do with my machine's name being registered under IPv6 rather than IPv4. I'm at a loss what to do. Should I try to set up IPv6 on the virtual machine? Not sure how to go about that. Or maybe I should somehow get my machine name on Windows 7 to work with IPv4? Although I think it already does, because I can ping it from a separate box (running Ubuntu), which is only registered under IPv6.

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• OpenVPN connected but not internet access on the client

  - by Stefan

  I've setup OpenVPN following this tutorial, and everything works fine except that I don't have an internet connection on the client while connected to VPN. http://www.howtoforge.com/internet-and-lan-over-vpn-using-openvpn-linux-server-windows-linux-clients-works-for-gaming-and-through-firewalls My VPS server config is as follows (Ubuntu): dev tun proto udp port 1194 ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key /etc/openvpn/easy-rsa/keys/server.key dh /etc/openvpn/easy-rsa/keys/dh1024.pem user nobody group nogroup server 10.8.0.0 255.255.255.0 persist-key persist-tun status /var/log/openvpn-status.log verb 3 client-to-client push "redirect-gateway local def1" #set the dns servers push "dhcp-option DNS 8.8.8.8" push "dhcp-option DNS 8.8.4.4" log-append /var/log/openvpn comp-lzo plugin /usr/lib/openvpn/openvpn-auth-pam.so common-auth My client config is as follows (Windows 7): dev tun client proto udp remote XXX.XXX.XXX.XXX 1194 resolv-retry infinite nobind persist-key persist-tun ca ca.crt cert stefan.crt key stefan.key comp-lzo verb 3 auth-user-pass redirect-gateway local def1 I've turned off the firewall on the server for testing purposes (it doesn't help), and tried both wired and wireless connecting on the client. I've tried many Google results... but nothing seems to help. Can you help me? Thanks so far...

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• Kernel hacking methodology - how to find out where to hack the linux kernel

  - by Flavius

  I have a throw-away cheap laptop I'd like to twiddle around, a Thinkpad SL 500. What bothers me are two leds, the one for wireless connectivity, and the one for hibernation, which don't light up at all, although they're functional, I've tried it on windows. So I would like to write a kernel driver for them, nothing big, it just looks like a good idea to play around with the kernel. My question is what methodology should I follow systematically to find out what devices are responsible for those leds (in general, not necessarily specific to my hardware), and what drivers are responsible for the other two leds that work, bluetooth and the battery indicator? And when I say methodology, I really mean the methodology, step by step, with reasons for each step, like in the answer I've gave to someone else over here: What does && mean in void *p = &&abc; I am profficient at fgrepping through big code repositories, using static code analysers & co, but I think my lack of hardware knowledge hinders me on this problem. PS: I'm using ArchLinux, so almost the latest kernel version.

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• Very strange networking problem in all computers in my house

  - by Anthony

  I have three computers in my house: One desktop (wired), and two laptops (wireless). I'm using Cox Communications (yes they suck), and yesterday they had a major outage. I know it was them because I called them up when I started losing connection to the internet. All the computers can connect just fine, but they don't have internet access. It just says "local only". The weird thing is, some of them work occasionally. For the first day my laptop was working perfectly, while all the other computers couldn't connect. Later on in the day it got reversed, and the desktop was the one with internet access. By the second day the problem on Cox's end was fixed, but we still had no access. I called them up and they reset my modem, and did the usual troubleshooting stuff. It never fixed the problem, but we found out that the problem had to do with conflicting IP addresses. My router was a Linksys WRT54G and it was about 5 years old. I figured it might have gotten damaged from the outage since it was so old, and now it's having trouble "fixing itself" and giving out the proper IP addresses. So I bought a new router, a Cisco Linksys E1000. I set everything up, and still the same problem. My computer has access right now (that's how I'm writing this), but no other computers seem to be able to get access. Is there possible damage to the modem? Can someone help me please? Sorry for this being so long.

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• UAC being turned off once a day on Windows 7

  - by Mehper C. Palavuzlar

  I have strange problem on my HP laptop. This began to happen recently. Whenever I start my machine, Windows 7 Action Center displays the following warning: You need to restart your computer for UAC to be turned off. Actually, this does not happen if it happened once on a specific day. For example, when I start the machine in the morning, it shows up; but it never shows up in the subsequent restarts within that day. On the next day, the same thing happens again. I never disable UAC, but obviously some rootkit or virus causes this. As soon as I get this warning, I head for the UAC settings, and re-enable UAC to dismiss this warning. This is a bothersome situation as I can't fix it. First, I have run a full scan on the computer for any probable virus and malware/rootkit activity, but TrendMicro OfficeScan said that no viruses have been found. I went to an old Restore Point using Windows System Restore, but the problem was not solved. What I have tried so far (which couldn't find the rootkit): TrendMicro OfficeScan Antivirus AVAST Malwarebytes' Anti-malware Ad-Aware Vipre Antivirus GMER TDSSKiller (Kaspersky Labs) HiJackThis RegRuns UnHackMe SuperAntiSpyware Portable Tizer Rootkit Razor (*) Sophos Anti-Rootkit SpyHunter 4 There are no other strange activities on the machine. Everything works fine except this bizarre incident. What could be the name of this annoying rootkit? How can I detect and remove it? EDIT: Below is the log file generated by HijackThis: Logfile of Trend Micro HijackThis v2.0.4 Scan saved at 13:07:04, on 17.01.2011 Platform: Windows 7 (WinNT 6.00.3504) MSIE: Internet Explorer v8.00 (8.00.7600.16700) Boot mode: Normal Running processes: C:\Windows\system32\taskhost.exe C:\Windows\system32\Dwm.exe C:\Windows\Explorer.EXE C:\Program Files\CheckPoint\SecuRemote\bin\SR_GUI.Exe C:\Windows\System32\igfxtray.exe C:\Windows\System32\hkcmd.exe C:\Windows\system32\igfxsrvc.exe C:\Windows\System32\igfxpers.exe C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe C:\Program Files\Synaptics\SynTP\SynTPEnh.exe C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QLBCTRL.exe C:\Program Files\Analog Devices\Core\smax4pnp.exe C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\VolCtrl.exe C:\Program Files\LightningFAX\LFclient\lfsndmng.exe C:\Program Files\Common Files\Java\Java Update\jusched.exe C:\Program Files\Microsoft Office Communicator\communicator.exe C:\Program Files\Iron Mountain\Connected BackupPC\Agent.exe C:\Program Files\Trend Micro\OfficeScan Client\PccNTMon.exe C:\Program Files\Microsoft LifeCam\LifeExp.exe C:\Program Files\Hewlett-Packard\Shared\HpqToaster.exe C:\Program Files\Windows Sidebar\sidebar.exe C:\Program Files\mimio\mimio Studio\system\aps_tablet\atwtusb.exe C:\Program Files\Microsoft Office\Office12\OUTLOOK.EXE C:\Program Files\Babylon\Babylon-Pro\Babylon.exe C:\Program Files\Mozilla Firefox\firefox.exe C:\Users\userx\Desktop\HijackThis.exe R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896 R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896 R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157 R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,AutoConfigURL = http://www.yaysat.com.tr/proxy/proxy.pac R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll O2 - BHO: Babylon IE plugin - {9CFACCB6-2F3F-4177-94EA-0D2B72D384C1} - C:\Program Files\Babylon\Babylon-Pro\Utils\BabylonIEPI.dll O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe O4 - HKLM\..\Run: [hpWirelessAssistant] C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe O4 - HKLM\..\Run: [QlbCtrl.exe] C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start O4 - HKLM\..\Run: [SoundMAXPnP] C:\Program Files\Analog Devices\Core\smax4pnp.exe O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe" O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe" O4 - HKLM\..\Run: [lfsndmng] C:\Program Files\LightningFAX\LFclient\LFSNDMNG.EXE O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe" O4 - HKLM\..\Run: [Communicator] "C:\Program Files\Microsoft Office Communicator\communicator.exe" /fromrunkey O4 - HKLM\..\Run: [AgentUiRunKey] "C:\Program Files\Iron Mountain\Connected BackupPC\Agent.exe" -ni -sss -e http://localhost:16386/ O4 - HKLM\..\Run: [OfficeScanNT Monitor] "C:\Program Files\Trend Micro\OfficeScan Client\pccntmon.exe" -HideWindow O4 - HKLM\..\Run: [Babylon Client] C:\Program Files\Babylon\Babylon-Pro\Babylon.exe -AutoStart O4 - HKLM\..\Run: [LifeCam] "C:\Program Files\Microsoft LifeCam\LifeExp.exe" O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun O4 - Global Startup: mimio Studio.lnk = C:\Program Files\mimio\mimio Studio\mimiosys.exe O8 - Extra context menu item: Microsoft Excel'e &Ver - res://C:\PROGRA~1\MICROS~1\Office12\EXCEL.EXE/3000 O8 - Extra context menu item: Translate this web page with Babylon - res://C:\Program Files\Babylon\Babylon-Pro\Utils\BabylonIEPI.dll/ActionTU.htm O8 - Extra context menu item: Translate with Babylon - res://C:\Program Files\Babylon\Babylon-Pro\Utils\BabylonIEPI.dll/Action.htm O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~1\Office12\REFIEBAR.DLL O9 - Extra button: Translate this web page with Babylon - {F72841F0-4EF1-4df5-BCE5-B3AC8ACF5478} - C:\Program Files\Babylon\Babylon-Pro\Utils\BabylonIEPI.dll O9 - Extra 'Tools' menuitem: Translate this web page with Babylon - {F72841F0-4EF1-4df5-BCE5-B3AC8ACF5478} - C:\Program Files\Babylon\Babylon-Pro\Utils\BabylonIEPI.dll O16 - DPF: {00134F72-5284-44F7-95A8-52A619F70751} (ObjWinNTCheck Class) - https://172.20.12.103:4343/officescan/console/html/ClientInstall/WinNTChk.cab O16 - DPF: {08D75BC1-D2B5-11D1-88FC-0080C859833B} (OfficeScan Corp Edition Web-Deployment SetupCtrl Class) - https://172.20.12.103:4343/officescan/console/html/ClientInstall/setup.cab O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = yaysat.com O17 - HKLM\Software\..\Telephony: DomainName = yaysat.com O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = yaysat.com O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = yaysat.com O18 - Protocol: qcom - {B8DBD265-42C3-43E6-B439-E968C71984C6} - C:\Program Files\Common Files\Quest Shared\CodeXpert\qcom.dll O22 - SharedTaskScheduler: FencesShellExt - {1984DD45-52CF-49cd-AB77-18F378FEA264} - C:\Program Files\Stardock\Fences\FencesMenu.dll O23 - Service: Andrea ADI Filters Service (AEADIFilters) - Andrea Electronics Corporation - C:\Windows\system32\AEADISRV.EXE O23 - Service: AgentService - Iron Mountain Incorporated - C:\Program Files\Iron Mountain\Connected BackupPC\AgentService.exe O23 - Service: Agere Modem Call Progress Audio (AgereModemAudio) - LSI Corporation - C:\Program Files\LSI SoftModem\agrsmsvc.exe O23 - Service: BMFMySQL - Unknown owner - C:\Program Files\Quest Software\Benchmark Factory for Databases\Repository\MySQL\bin\mysqld-max-nt.exe O23 - Service: Com4QLBEx - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\Com4QLBEx.exe O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe O23 - Service: OfficeScanNT RealTime Scan (ntrtscan) - Trend Micro Inc. - C:\Program Files\Trend Micro\OfficeScan Client\ntrtscan.exe O23 - Service: SMS Task Sequence Agent (smstsmgr) - Unknown owner - C:\Windows\system32\CCM\TSManager.exe O23 - Service: Check Point VPN-1 Securemote service (SR_Service) - Check Point Software Technologies - C:\Program Files\CheckPoint\SecuRemote\bin\SR_Service.exe O23 - Service: Check Point VPN-1 Securemote watchdog (SR_Watchdog) - Check Point Software Technologies - C:\Program Files\CheckPoint\SecuRemote\bin\SR_Watchdog.exe O23 - Service: Trend Micro Unauthorized Change Prevention Service (TMBMServer) - Trend Micro Inc. - C:\Program Files\Trend Micro\OfficeScan Client\..\BM\TMBMSRV.exe O23 - Service: OfficeScan NT Listener (tmlisten) - Trend Micro Inc. - C:\Program Files\Trend Micro\OfficeScan Client\tmlisten.exe O23 - Service: OfficeScan NT Proxy Service (TmProxy) - Trend Micro Inc. - C:\Program Files\Trend Micro\OfficeScan Client\TmProxy.exe O23 - Service: VNC Server Version 4 (WinVNC4) - RealVNC Ltd. - C:\Program Files\RealVNC\VNC4\WinVNC4.exe -- End of file - 8204 bytes As suggested in this very similar question, I have run full scans (+boot time scans) with RegRun and UnHackMe, but they also did not find anything. I have carefully examined all entries in the Event Viewer, but there's nothing wrong. Now I know that there is a hidden trojan (rootkit) on my machine which seems to disguise itself quite successfully. Note that I don't have the chance to remove the HDD, or reinstall the OS as this is a work machine subjected to certain IT policies on a company domain. Despite all my attempts, the problem still remains. I strictly need a to-the-point method or a pukka rootkit remover to remove whatever it is. I don't want to monkey with the system settings, i.e. disabling auto runs one by one, messing the registry, etc. EDIT 2: I have found an article which is closely related to my trouble: Malware can turn off UAC in Windows 7; “By design” says Microsoft. Special thanks(!) to Microsoft. In the article, a VBScript code is given to disable UAC automatically: '// 1337H4x Written by _____________ '// (12 year old) Set WshShell = WScript.CreateObject("WScript.Shell") '// Toggle Start menu WshShell.SendKeys("^{ESC}") WScript.Sleep(500) '// Search for UAC applet WshShell.SendKeys("change uac") WScript.Sleep(2000) '// Open the applet (assuming second result) WshShell.SendKeys("{DOWN}") WshShell.SendKeys("{DOWN}") WshShell.SendKeys("{ENTER}") WScript.Sleep(2000) '// Set UAC level to lowest (assuming out-of-box Default setting) WshShell.SendKeys("{TAB}") WshShell.SendKeys("{DOWN}") WshShell.SendKeys("{DOWN}") WshShell.SendKeys("{DOWN}") '// Save our changes WshShell.SendKeys("{TAB}") WshShell.SendKeys("{ENTER}") '// TODO: Add code to handle installation of rebound '// process to continue exploitation, i.e. place something '// evil in Startup folder '// Reboot the system '// WshShell.Run "shutdown /r /f" Unfortunately, that doesn't tell me how I can get rid of this malicious code running on my system. EDIT 3: Last night, I left the laptop open because of a running SQL task. When I came in the morning, I saw that UAC was turned off. So, I suspect that the problem is not related to startup. It is happening once a day for sure no matter if the machine is rebooted.

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• Networking - intermittent, slow speeds

  - by jack

  Hi all I'm a novice when it comes to networking. I live in a large two storey building that used to be a school and we have an internet connection with BT (british telecoms provider), the connection speed is 12Mb.. Basically our connection is slow and very intermittent and I was wondering if anybody here could provide some help or ideas. There are about 11 people in the building who could be online at any time. We have a router on the ground floor which is bog standard supplied by BT. To provide Broadband access to the 1st and 2nd floors, we used an old switch that the school left, we have a cable running from the router on the first floor to the switch which connects to a wireless router which is configured as a bridge on the 2nd floor supplying broadband access to the 1st and 2nd floors. Additionally we have 3 computers that are connected via the switch through the ethernet sockets left by the school on the ground floor. The router we use on the 2nd floor came in a pack of 2 and cost about £15 (bought by another person). Sometimes the connection is perfectly fine, i.e. early hours of the morning or when everybody is out, we have rang BT who say that the connection cannot cope with the numbers of people online, plus I'm not sure whether each person is streaming etc. Can anybody offer any advice?

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• Virus / Malware: Explorer window with strange user logged into Hotmail

  - by abel

  I was looking into a PC, the user of which had complained that he couldn't connect to the internet and that the PC was experiencing random restarts. The PC runs WinXP SP3. On examination, I found that the Wireless Zero Configuration service was stopped. I enabled that and the internet was back on(The pc connected through wifi). Then I started firefox and browsed to gmail.com. I did not launch any other program, except for a few explorer windows. It was then I noticed a window had popped up(it was not a pop up). It had the explorer folder icon and instead of explorer folder contents, it showed a hotmail page, with a user named "Homer Stinson" logged in. The titlebar was empty and there were no toolbars. I asked the client whether this was his email id, which he said it was not. I opened task manager, which did not show this explorer window in it's Application tab. I switched back to the 'rogue' window and found that the hotmail settings page was now open, which later changed to the hotmail edit profile page for the same user. I was not clicking anything. Then suddenly the window closed. I checked the autorun locations, fired up a Malwarebytes Anti Malware scan which gave a clean result. The system also had an updated installation of AVG. I don't want a solution for this virus(?) problem. I asked this here because I wanted to know if somebody has come across something similar. What kind of malware can this be? The user had not seen a similar window before and I should have taken screenshots. (PS:Homer Stinson is an imaginary name. I searched for the other real name with some relevant keywords but could not come up with a virus/malware discussion post.) UPDATE: When I checked the PC later a DEP error had popped up closing which restarted the PC.

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