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• Windows - Website unaccessible only on windows pcs in LAN

  - by DorentuZ

  For serveral days now, a website isn't accessible on a single pc in the LAN. On the other pc's, it works just fine. And it's just a single website that's not accessible as far as I know of. The website generates a timeout on every single web browser I've tried (IE8, Firefox and Chrome). However, traceroute, nmap and telnet all work just fine. I've even tried multiple user accounts and safe mode, but that didn't work either. As a side note: using a linux live cd did work and I could access the website without any problems. The hosts file is the windows default, the ip- and dns settings on the network adapter normal as well. No strange processes are running and no viruses found. According to tcpview and netstat there are connections to the domain, but every request in the browser results in a timeout.. Any idea what's happening? Update: All of the computers on the network running Windows (any version) are showing this problem now. The website is still working under linux and mac osx. So, it has to be related to some kind of windows update (although I haven't installed any on one computer in the past week, which I've set to do manual updates only)..

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• Debugging Samba/CUPS printer sharing with Windows

  - by mrdrbob

  I've got a HP Deskjet hooked up to a Slackware 12.2 box. I've got CUPS set up and can print a test page from the box just fine. I've also got Samba set up and have a couple file shares that work fine. I'm trying to share that HP Deskjet out via Samba, but I can't get it to show up in any Windows system. I see the server and its file shares in Windows networking, but when I open the Printers, no printer shows up. Running net view \\servername from the command line lists the file shares, but no printers. Here's the pertinent part of my smb.conf, if that helps: [global] workgroup = HOMENET security = share hosts allow = 192.168.1. 192.168.2. 127. load printers = yes printcap name = cups printing = cups log file = /var/log/samba.%m max log size = 50 [printers] comment = All Printers path = /var/spool/samba browseable = no public = yes writable = no printable = yes guest only = yes Can anyone give me some pointers as to where to start looking for potential causes? Update: Running testparm shows no errors. Here's the output (minus the file shares): [global] workgroup = HOMENET security = SHARE log file = /var/log/samba.%m max log size = 50 printcap name = cups hosts allow = 192.168.1., 192.168.2., 127. [printers] comment = All Printers path = /var/spool/samba guest only = Yes guest ok = Yes printable = Yes browseable = No

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• Internet slowed down because of SQUID Server setup

  - by Ranjith Kumar

  Recently I have setup a squid server for our office. I have computer (A) with two ethernet cards, one for internet and the second one for local networkIt has Ubuntu server OS with squid-server and dhcp3-server installedI have added few iptable rules to work like a router and redirect all http traffic to 3128 port This link is my reference. Everything worked fine for 2 days. All of a sudden internet speed went down drastically. When I connected the internet cable to my laptop to test the internet speed it was fine. Again when I reconnected it back to computer A everything was normal. This happened 4 times in a week. Could anyone here please help me why the internet speed is going down and it becomes normal when I reconnect the cable. EDIT: Rebooting the system (computer A) didn't make a difference. I have changed iptables so that http traffic doesn't redirect to 3128 port any further, still no change in the internet speed. I think the problem is not with squid but with something else. Here are my iptable rules SQUID_SERVER="10.1.1.1" INTERNET="eth1" LAN_IN="eth0" SQUID_PORT="3128" PROXYSERVERS=(Atlanta Baltimore Boston Chicago Dallas Denver Houston KansasCity LosAngeles Miami NewYork Philadelphia Phoenix SanAntonio SanDiego SanJose Seattle Washington) SERVERLEN=${#PROXYSERVERS[*]} I=0 iptables -F iptables -X iptables -t nat -F iptables -t nat -X iptables -t mangle -F iptables -t mangle -X modprobe ip_conntrack modprobe ip_conntrack_ftp echo 1 /proc/sys/net/ipv4/ip_forward iptables -P INPUT DROP iptables -P OUTPUT ACCEPT iptables -A INPUT -i lo -j ACCEPT iptables -A OUTPUT -o lo -j ACCEPT iptables -A INPUT -i $INTERNET -m state --state ESTABLISHED,RELATED -j ACCEPT iptables --table nat --append POSTROUTING --out-interface $INTERNET -j MASQUERADE iptables --append FORWARD --in-interface $LAN_IN -j ACCEPT iptables -A INPUT -i $LAN_IN -j ACCEPT iptables -A OUTPUT -o $LAN_IN -j ACCEPT while [ $I -lt $SERVERLEN ]; do iptables -t nat -A PREROUTING -i $LAN_IN -p tcp -d ${PROXYSERVERS[$I]}.wonderproxy.com --dport 80 -j ACCEPT let I++ done iptables -t nat -A PREROUTING -i $LAN_IN -p tcp --dport 80 -j DNAT --to $SQUID_SERVER:$SQUID_PORT iptables -A INPUT --protocol tcp --dport 80 -j ACCEPT iptables -A INPUT --protocol tcp --dport 443 -j ACCEPT iptables -A INPUT --protocol tcp --dport 22 -j ACCEPT iptables -A INPUT -j LOG iptables -A INPUT -j DROP

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• How do I get a Wireless N PCi card to connect to a wireless G router?

  - by Andy

  I'm having some problems setting up a new wireless PCI card on a WinXP SP3 PC. I know that the router is configured correctly. It is a Linksys WRT54GL, using 802.11b/g. Security mode is WPA2 Personal with TKIP+AES encryption. I am able to connect to this fine using my laptop (first gen MacBook with a 802.11b built in card). The new PCI card is also Linksys, but it supports 802.11n. Card seems to be installed ok (Windows sees it fine, doesn't list any errors in Device Manager), however when it scans for available wireless networks it can't find my wireless network (the router is set to broadcast the SSID). I tried to enter the network SSID manually, but that didn't seem to help. I chose WPA2-PSK for network authentication. The only options for encryption are TKIP or AES - I've tried both, neither worked. I am sure that I typed in my wireless key correctly. At this point, I don't think the problem is with encryption, but something else. It almost seems like I need to switch the wireless card into g mode, but I haven't found a way to do that (if that is even possible/necessary - I thought n was fully backwards compatible with g). Also, the PC is in the same room as the router, and my laptop, so I don't think that it is an interference issue. Any ideas what I'm doing wrong? I'm running out of things to try at this point. :(

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• Set default tab url in firefox 14

  - by sebster

  In the latest firefox update, new tabs show -instead of the previously default blank page- a window of recently viewed pages. Before this was available, I had installed an 'addon' to allow this (called 'fvd speed dial'). It worked fine however I have since delete.d this as it is no longer needed but still loads the page where the addon was housed:'chrome://fvd.speeddial/content/fvd_about_blank.html'. I have reinstalled firefox yet the same problem still occurs. On the 'about:config' page I have found the setting 'browser.newtab.url' but do not know the default url. Is there any way to remedy this? I will just add, I appologise if this is not the case with the new tab feature. It is all I have gathered from the firefox update page. Also, I do not want to, ideally, simply restore my settings as I have changed some of them (such as the search bar, that work fine. I am on windows-xp, home edition. Not sure of what service pack.

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• Custom flash uploader breaks only on Media Temple

  - by LaserWolf

  I've built a flash uploader to upload files up to 100MB using a php backend. It works wonderfully on our dev server, on a hostgator vps, and on one of our clients' servers running Debian. It will not work on our Media Temple (dv)3.5 and I don't know why. The upload will start but will choke after a few seconds with this flash error message: ioerror: [IOErrorEvent type="ioError" bubbles=false cancelable=false eventPhase=2 text="Error #2038: File I/O Error. URL: http://..._upload.php"] The problem seems to be specific to the asynchronous nature of the flash uploader because if I try a straight php upload it works fine. The php.ini settings are set to allow such a large upload as well. Also, I've thoroughly googled flash, 2038, I/O error, etc but have yet to find anything that helped. Here's the weird part though: We work in Seattle. It won't work from the office. It won't work from home. But, while on the phone with MT's support, they were able to upload a file through our flash uploader just fine. I'm not sure where his office was located but I think it was Atlanta. So the problem also seems specific to physical location. Has anyone run into this sort of problem before?

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• SPDIF passthrough not working in Windows 7

  - by adriangrigore

  Hi, I'm running Windows 7 on a computer with an Audigy Platinum eX sound card connected to a surround receiver via optical cabling. Sound works fine when listening to non-surround audio sources, such as windows sounds or MP3. However, when I view a DVD in Media Center and the SPDIF passthrough kicks in, I can only hear an awful noise instead of the movie soundtrack. Also, the receiver does not show the Dolby Digital or DTS symbol, but stays at Dolby Prologic, so it seems it doesn't identify the sound encoding properly. I could switch off SPDIF passthrough and use the sound card's decoder instead, but that's not an option for me since it would create more problems with regular MP3 playback via additional Stereo Receiver which is also connected to the same sound card. I've tried both the default Audigy drivers that come with Windows 7 and the latest drivers from the Soundblaster website, but the problem remains unchanged. Also, I have ensured that the receiver's Dolby Digital decoder is not broken by successfully connecting it to my PS3 to view a Dolby Digital DVD. Besides, SPDIF passthrough was working fine in Vista before I upgraded to Windows 7. Is there anything else I could try?

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• SVNParentPath directory authorization

  - by James

  The question is a bit stupid but I can't get it sorted. I have a server with SVN that uses the SVNPath directive in httpd.conf and all works fine with path authorizations. Now I'm installing a second serer where I'm going to use SVNParentPath directive and I've got it all running except I can't get the authorization part quite right. From what I understand it's the same as when you use SVNPath but you need to specificy the repo name before the folder name.. My SVNParentPath is /srv/svn/ and I created a directory /srv/svn/testproj and then ran svnadmin create /srv/svn/testproj Now i'm configuring my authorization file: [/] * = svnadmin = rw adusgi = rw [testproj:/svn/testproj] demada = rw degari = rw scarja = rw Now if I try to commit /svn/testproj using user svnadmin or adusgi all is fine. If I try for example demada it doesn't work... (I've run the htpasswd2 commands for the user obviously. The directory is correct or atleast thats how I use the directory with the SVNPath server thats already running, the part I think I'm getting wrong is the repo name, I just used the directory name but what am I really supposed to put there?? Thank you, James

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• I am looking for a tool to measure or detect "unresponsiveness" of a desktop PC

  - by Tom H

  I have a client that provides some server systems to a hospital, and a support ticket was raised that the desktop application was hanging waiting for the server. We did some extensive testing and its pretty clear that the server is responsive, and the network is fine, and that the problem is on the client end. (no requests are received during the hang etc...) We take a look at the desktop machines and they should be fine, so we raise tickets with the software vendor who says that it must be the hardware, the hardware company says that it is the software, etc etc Anyway, so talking to the nurses, they say that these machines often "hang" for 30 seconds at a time, and sometimes during important moments where they need to get data for a patient who is unwell, such as charts and status. So I want to stick a client on these machines that would be able to detect arbitrary "unresponsiveness" of the keyboard/mouse and log that for analysis later. Obviously I am wary to suggest some application that takes resources and makes the problem even worse, so I would interested to see any tools that would detect these (is it correct to say that the keyboard interrupts are being discarded?) scenarios by looking for the OS discarding the interrupts, or whatever is appropriate here. so go on then serverfault, here is your chance to save a life.... ;-) Edit: I am starting to think that some of the tools associated with real time systems might be appropriate, at least as a diagnostic.

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• Hyper-V 2008 R2 synthetic networking stops working with linux 2.6.32.15

  - by luxifer

  Hi there, so I thought I'd give Hyper-V on Windows Server 2008 R2 Enterprise a try on my Homeserver (yes, it's legit... got it from msdnaa). First thing to throw at it was my firewall which runs IPFire. This distribution currently uses the kernel version 2.6.32.15 and comes with the Hyper-V drivers. So I enabled them and at first they work just fine but after a few minutes they just fail. There are no packages going in or out anymore until I reboot the VM but sometimes even that won't work so the VM just keeps "Stopping" like forever. Emulated networking works fine but it slow and uses more CPU. That way my firewall routes slower than when running under virtualbox on an atom N270. My server has an E6750; VM is limited to 25%, but that should still outperform this atom CPU especially since it's never going anywhere near 100% CPU load, so give me a break! A quick google search led me to people having the same problem (even with other distributions and kernel versions that include those drivers) but no solution yet... I already found this but I can't quite follow the author on the part where he solved the issue - especially since I need two virtual nics for my firewall distro to work (obviously one internal and one external) What am I missing here?

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• django : Serving static files through nginx

  - by PlanetUnknown

  I'm using apache+mod_wsgi for django. And all css/js/images are served through nginx. For some odd, reason when others/friends/colleagues try accessing the site, jquery/css is not getting loaded for them, hence the page looks jumbled up. My html files use code like this - <link rel="stylesheet" type="text/css" href="http://x.x.x.x:8000/css/custom.css"/> <script type="text/javascript" src="http://1x.x.x.x:8000/js/custom.js"></script> My nginx configuration in sites-available is like this - server { listen 8000; server_name localhost; access_log /var/log/nginx/aa8000.access.log; error_log /var/log/nginx/aa8000.error.log; location / { index index.html index.htm; } location /static/ { autoindex on; root /opt/aa/webroot/; } } There is a directory /opt/aa/webroot/static/ which have corresponding css & js directories. The odd thing is that the pages show fine when I access them. I have cleared my cache/etc, but the page loads fine for me, from various browsers. Also, I don't see any 404 any error in the nginx log files. Actually the logs for nginx are not getting refreshed at all. I restarted the nginx server using root, is that incorrect ? There is a user www-data defined in the nginx configuration file. Any pointers would be great.

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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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• Outlook 2007 will not send/receive using RPC over HTTP to an exchange server.. works for other users

  - by bob franklin smith harriet

  I have an incredibly frustrating user issue that I have been unable to resolve for over a week, any ideas for this would be greatly appreciated. The user is having troubles using Outlook 2007 to send or receive emails over using RPC over HTTP (Outlook Anywhere) to an exchange server. Basically what happens, the connection will be establised and the user will be prompted for the username and password, those are submitted and then outlook tries to download emails which fails and the connection to the exchange server will remain unavailable. The machine can ping and everything to the exchange server there is no connection issue there. The setup worked fine for him up untill now and also works for possibly hundreds of other users using the exact same settings, also the same settings will work from the users iphone on the same internet connection, and from my own system using outlook. The exchange server has the webmail https feature and that can be logged into and send and receive emails fine. Steps taken so far: removing the .ost file for the account and allowing office to rebuild it (fixes the issue for a short period of time, then the same symptons occur) deleted exchange profile and recreated (no change in issue) uninstalled all antivirus and firewalls (no change in issue) removed all cached passwords (keymgr.dll) (no change in issue) removed all entries from the hosts file (no change in issue) uninstalled and reinstalled office 2007 (Temporary fix of issue) Installing Symantec Endpoint Client caused a lot of email scan popups to be displayed, after a reboot this stopped and a scan it picked a few trojans that it removed. This fixed the issue temporarily as well, the issue is back again now. I am completely out of ideas now, there seems to be nothing that can be done to fix this issue outside of rebuilding the PC which is a massive pandoras box I don't want to enter with this user. --- Update ---- Malware scans from multiple products have been run on the machine and all updates were installed. The real problem with this user is his distance from us, there is no way to supply a spare laptop or rebuild the machine currently.

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• Cannot ping Google Public DNS on 8.8.8.8

  - by Tibor

  I have a weird problem on my Windows 7 (x64) computer. I seem to cannot ping the Google Public DNS on one of its addresses (while the other works fine). The peculiar thing is that it fails with the General failure. error message which usually means that there is a problem with a network adapter/base connectivity and not a timeout as one would expect. I checked my routing tables for any anomalies and I even flushed them but the problem seems unrelated. All the other hosts I tried ping fine (either respond or timeout). If I try to tracert or connect to the address via browser (yes, I know that it doesn't listen on port 80), it also fails instantaneously. The reason I need to ping 8.8.8.8 is that I commonly use it as a test of Internet conectivity due to it being rememberable. The problem occurs no matter where I connect to the Internet (it is a laptop computer). What could be the cause of this anomaly? Note: I use native IPv6 connectivity.

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• OpenSwan (IPSEC) on Fedora 13 with Snow Leopard as a client

  - by sicn

  I recently installed OpenSwan on my Fedora 13 machine. I want to use it to connect with Mac OS X with L2TP over IPSEC, unfortunately I am already stuck on the IPSEC-negotation part. My server is running behind a NATted firewall so my external IP differs from the server's IP. The server has a fixed IP on the network and the same is almost always valid for the clients (they are usually behind a NATted firewall). I installed OpenSwan on Fedora 13 and have following configuration: config setup protostack=netkey nat_traversal=yes virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12 oe=off nhelpers=0 conn L2TP-PSK-NAT rightsubnet=vhost:%priv also=L2TP-PSK-noNAT conn L2TP-PSK-noNAT authby=secret pfs=no auto=add keyingtries=3 rekey=no ikelifetime=8h keylife=1h type=transport left=my.servers.external.ip leftprotoport=17/1701 right=%any rightprotoport=17/0 IPSEC starts fine and listens to UDP 500 and 4500. These two ports are opened in the firewall and are forwarded fine to the server. In my /etc/ipsec.secrets file I have my.servers.external.ip %any: "LongAndDifficultPassword" And finally in my sysctl.conf (the redirect-entries are there because OpenSwan was strongly protesting about send/accept_redirects being active) I have net.ipv4.ip_forward = 1 net.ipv4.conf.all.send_redirects = 0 net.ipv4.conf.all.accept_redirects = 0 Running "ipsec verify" gives me "all greens" (except Opportunistic Encryption Support, which is DISABLED), however, when trying to connect my Mac gives me following in the logs: Nov 1 19:30:28 macbook pppd[4904]: pppd 2.4.2 (Apple version 412.3) started by user, uid 1011 Nov 1 19:30:28 macbook pppd[4904]: L2TP connecting to server 'my.servers.ip.address' (my.servers.ip.address)... Nov 1 19:30:28 macbook pppd[4904]: IPSec connection started Nov 1 19:30:28 macbook racoon[4905]: Connecting. Nov 1 19:30:28 macbook racoon[4905]: IKE Packet: transmit success. (Initiator, Main-Mode message 1). Nov 1 19:30:31 macbook racoon[4905]: IKE Packet: transmit success. (Phase1 Retransmit). Nov 1 19:30:38: --- last message repeated 2 times --- Nov 1 19:30:38 macbook pppd[4904]: IPSec connection failed Any ideas at all?

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• Running git-svn with cron results in garbage in .git

  - by Paul

  I've setup a git-svn repo with cron to fetch from the svn repo daily. I have a script to do the fetching, and this is what is invoked by cron. Everything is fine with the repo, and the script works fine when executed manually. However, when it runs under cron, empty files get dropped into the .git directory. The files have names that look like they are some base64 output, e.g. juTrvjP6m8 and kcKf3hu3b4. Two of these files show up for every cron run. I thought these might be commit hashes, but they're not, git-show says it's an unknown revision. I set-up the repo as follows: git svn init http://svn.ip.addr/repo git svn fetch svn-remote My script looks like this: cd /gitsvn/dir git svn fetch svn-remote git svn push pub The last line pushes the repo to a separate (bare) public repo from which others can clone. I'm piping the output from the cron job to a file, which looks like this: fatal: unable to run 'git-svn' Counting objects: 21, done. Delta compression using up to 2 threads. Compressing objects: 100% (10/10), done. Writing objects: 100% (11/11), 59.08 KiB, done. Total 11 (delta 8), reused 0 (delta 0) To /gitpub/repo.git 360faf5..a153b0d trunk -> trunk The line "fatal: unable to run 'git-svn'" is alarming, but the fetch seems to go ahead anyway. Any suggestions? Where are these empty garbage files coming from, and how to stop them? Am I in for bigger problems in the future? BTW, I'm using git 1.6.3.3.

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• ESXi 4.1 host not recognising existing VMFS datastore

  - by ThatGraemeGuy

  Existing setup: host1 and host2, ESX 4.0, 2 HBAs each. lun1 and lun2, 2 LUNs belonging to the same RAID set (my terminology might be sketchy here). This has been working just fine all along. I added host3, ESXi 4.1, 2 HBAs. If I view Configuration / Storage Adapters, I can see that both HBAs see both LUNs, but if I view Configuration / Storage, I only see 1 datastore. host1/2 can see both LUNs and I have VMs running on both too. I have rescanned, refreshed and even rebooted, but host3 refuses to acknowledge 1 of the datastores. Does anyone know what's going on? Update: I re-installed the host with ESX (not i) 4.0, same version as the existing hosts and it's still not recognising the vmfs. I think I'm going to SVmotion everything off that datastore then format it. Update2: I've created the LUN from scratch and the problem gets even weirder. I've presented the LUN to all 3 hosts, and I can see the LUN in the vSphere client's Configuration / Storage Adapters section on all 3 hosts. If I create a datastore on the LUN via the Configuration / Storage section on host1, it works fine and I can create an empty folder via datastore browser, but the datastore is not seen by the host2 and host3. I can use the Add Storage wizard on host2 and it will see the LUN. At this point the "VMFS Label" column has the label I gave with "(head)" appended. If I try the Add Storage wizard's "Keep the existing signature" option, it fails with an error "Cannot change the host configuration." and a dialog box that says 'Call "HostStorageSystem.ResolveMultipleUnresolvedVmfsVolumes" for object "storageSystem-17" on vCenter Server "vcenter.company.local" failed.' If I try the Add Storage wizard's "Assign a new signature" option on host2, it will complete and the VMFS label will have "snap-(hexnumber)-" prepended. At this point its also visible on host3, but not host1. I have a similar setup in a different datacenter which didn't give me all this trouble.

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• ASP.NET Web API returns 404 for PUT only on some servers

  - by Greg Bacchus

  Ok, I have been racking my brain and the internet for a solution to this. I just can't figure it out. I have written a site that uses ASP.NET MVC Web API and all working nicely until I put it on staging server. The site works fine on my local machine and the dev web server. Both dev and staging servers are Win Server 2008 R2. The problem is this: basically the site works, but there are some API calls that use the HTTP PUT method. These fail on staging returning a 404, but work fine elsewhere. The first problem that I came across and fixed was in Request Filtering. But still getting the 404. I have turned on tracing in IIS and get the following problem. 168. -MODULE_SET_RESPONSE_ERROR_STATUS ModuleName IIS Web Core Notification 16 HttpStatus 404 HttpReason Not Found HttpSubStatus 0 ErrorCode 2147942402 ConfigExceptionInfo Notification MAP_REQUEST_HANDLER ErrorCode The system cannot find the file specified. (0x80070002) The configs are the same on dev and staging, matter of fact the whole site is a direct copy. Why would the GETs and POSTs work, but not the PUTs? Thanks Greg

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• Exchange server intermittently not receiving or delivering emails to a few addresses?

  - by Gary Willoughby

  This is a strange problem. We are using an Exchange 2007 server to handle the emails to and from the company. There are two main problems which are probably related. None of our mails sent to one single customer are ever received. When we send any type of mail to one particular customer, they never get it. We have confirmed the address and tried to send more to other mail addresses on the same domain and they still don't receive it. No error (email or otherwise) is ever issued. (Domain related? Blacklisted?) Sometimes (intermittently) a mail sent to our company (can be any address on our domain) is never received. I tried this the other day from home and sent a mail to my work address. It was never received. But then a day later i sent another and it was received fine (so the mail address is fine). No error (email or otherwise) is ever issued. Any ideas where to start looking for causes?

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• subdomain .htaccess redirection via ssh remote port forwarding

  - by Achim

  I ask you to help me URL redirecting a subdomain to a SSH remote forwarded port: The current setup is the following: The server A have a local webserver running on port 80. This server is connected to a DSL line or a GPRS connection where the IP address changes often. To prevent a DynDNS setup we established a SSH remote port forwarding to a server B with a static IP adress. This is done on server A by the following statement: ssh -N -p 80 -g -R 10000:localhost:80 tunneling@<Server B IP> So by accessing the new port 10000 of the servers B IP-adress, all traffic is forwarded to the server A port 80 - this works fine! But to offer a more comfortable url to the user I want to hide the server B IP-adress and offer a subdomain. My domain provider allows to add subdomains and redirections to some other servers. In general, this works, I've tested this with different servers. But it don't work if the destination is the port forwarded port of server B. The initial redirection is done, the request is send to server A and the response are forwarded to server B and shown in the browser - fine. But then the URL within the browser is switched away from the subdomain to the IP:port of server B. So the user don't see the subdomain in the URL string of the browser anymore. I've tried this with my providers subdomain redirection, as well as .htaccess redirect, as well as META refresh, the problem always persist. Is there a parameter in the ssh reverse forwarding setup (I guess this is the place where the fix have to be) to keep the typed in subdomain URL and not show the IP. Thanks Achim

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• Can't login to phpMyAdmin on a WAMP server running Windows 2008

  - by Richard West

  I am setting up a new server. I have installed Apache 2.2.17, PHP 5.3.3, MySQL 5.1.53 and phpMyAdmin 3.3.8 running on a Windows 2008 (32 bit) OS. I have configured Apache and PHP so they appear to be working fine. I have created the standard test php page with the following code and everything appears to be working fine. <?php //index.php phpinfo(); ?> I also see the mySQL and mySQLi section in the above webpage, so it appears that that I have the proper extensions loaded for mySQL access. The problem that I am having centeres around myPHPAdmin. I have this installed and I can access to the login screen at http://localhost/pma I login using "root" and the password I have setup for root. After a delay of 30 seconds or so the web page goes to a blank screen, and the url is now http://localhost/pma/index.php?token= No error is ever displayed - however nothing usable is either. I have confirmed that mySQL is running by going to the command line and logging into mySQL from there. I have double checked my configuration but I am not having any luck getting this to work. I have also disabled the Windows firewall, but that did not change anything. I installed mySQL using the standard port 3306. Any advice would be greatly appreciated.

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• Loading dependencies for custom puppet functions

  - by Ben Smith

  I have written a custom puppet function, which is working fine, that depends on the cloudservers gem (a Rackspace client library). This is fine if I have pre-installed the gem on a server before running puppet but totally breaks if I have not installed the gem as the function seems to be run during the 'compilation' sweep, well before my package definition is realised. Here's what my .pp looks like, with get_hosts the function that requires the cloudservers gem. package { "rubygems": ensure => installed, provider => "gem"; } package { "cloudservers": ensure => installed, provider => "gem", require => Package["rubygems"]; } class hosts::us { $hosts = get_hosts("us") hostentry { $hosts: } } define hostentry() { $parts = split($name, ',') $address = $parts[0] $ip = $parts[1] $aliases = $parts[2] host{ $address: ip => $ip, host_aliases => $aliases } } Is there a way to stop the function getting run so early, or at least having it's run depend up the library being installed. Alternatively, is there a way that I can add dependencies somewhere in the functions folder that will be available to the function?

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• After update to Windows 8.1 brigthness isn't working (changing)

  - by Bibo

  I just update my Windows 8 to Windows 8.1 by Windows Store and I have some problems. My notebook is Acer Aspire Timelinex 3820TG and I know it's little old for Windows 8 but I install them and works fine (I updated my HDD to SSD). Now I just updated Windows and I have problem with changing brightness on my dedicated graphic card (Ati HD 5650). First I can changing brigthness with fn + keys but It just changing level in OS. No change in real. I tried reinstall drivers, install drivers for my card from Acer with compatibility to Windows 7 and without change. When I switch to integrated card changing brightness works. I think the problem is with drivers but I don't know how to get it working. Thanks for help Bonus question: I have another problem (but this one is not so important). Does anyone knows what msietxghh.exe is doing? Everytime when my system runs (after update) I get message that this program stops working but I just cancel and looks everything works fine.

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• network latency, TCP and UDP packets

  - by user115848

  Hello recently my network has started to cause me lots of problems. I have a cable modem, connected to a tp-link router (with some port forwarding). Everything was working fine then i started to get lots of udp (port 53) "UNREPLIED" logs in the router. Now there are tcp UNREPLIED logs too. This is causing lots of latency and failed connections when trying to connect to different internet sites. Also, we run an openfire server for spark connections, and I believe its causing connectivity issues for some users who are trying to connect using Spark (some people connect fine, others don't). Please see screen shot below for packet logs. It has to be something internally, as I connected straight to the comcast modem and i was able to connect to the internet and various sites as normal. I tried to swap out the router with a different and got the same issue. I scanned both my internal dns servers for viruses or malware and it came up empty. Another anomaly is that when i try to connect to www.cnn.com, i get redirected to the different site. I scanned my own machine for hijacks. Not sure if this is related to the networking issue. Please let me know if you have any ideas for troubleshooting.

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• What can cause Powershell execution policy not to be taken into account?

  - by Stephane

  We have in our infrastructure a number of powershell scripts used for various tasks ranging from user login to support technician simulating a user context. These scripts are centralized on our file server (through DFS) for easier management. Some of them are run at logon, some are run through published Citrix applications. We have applied a policy for the whole domain and all users that sets the Powershell execution policy to "unrestricted" so that the scripts can run from the file server. This works perfectly fine for logon script (at least, so far) but for scripts that are run later (usually through a published application but the same applies when using terminal services and a full desktop), the results are inconsistent: some users can run the script fine, some are always prompted in the powershell console for letting the scripts run. I cannot find anything that could cause this behavior and it's really inconsistent: if I start powershell manually and runs get-executionpolicy, I am told that the current policy is unrestricted. Yet, if from the same session I try to run a script through a program that calls powershell <script file name> <parameters> I get prompted before the script can run. What could cause such behavior ?

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