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• Windows Firewall issues

  - by Will Vousden

  I'm not sure whether this is a Windows problem or a .NET problem (i.e. whether it belongs here on on SO), but I've written a small HTTP server program in C# (using the .NET HttpListner class) which works fine for the most part, but Windows Firewall seems to be refusing to let connections through to it from anything other than localhost. I've added exceptions for TCP and UDP in the "Inbound Rules" section of the firewall settings, essentially duplicating existing rules for other HTTP-based services which work fine (e.g. foo_httpcontrol). Specifically, I've added separate rules for TCP and UDP connections covering all ports, specific to the executable I'm running. There's no problem when Windows Firewall is disabled, but if I enable it, the connection simply times out.

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• OpenLDAP Password Expiration with pwdReset=TRUE?

  - by jsight

  I have configured the ppolicy overlay for OpenLDAP to enable password policies. These things work: Password lockouts on too many failed attempts Password Change required once pwdReset=TRUE added to user entry Password Expirations If the account is locked out due to intrusion attempts (too many bad passwords) or time (expiration time hit), the account must be reset by an administrator. However, when the administrator sets pwdReset=TRUE in the profile, this seems to also override the expiration policy. So, the password that the administrator sent out (which should be a temporary password) ends up being valid permanently. Is there a way in OpenLDAP to have a password that must be changed, but also MUST expire?

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• internet connection drops randomly

  - by Remus Rigo

  hi all I have 3 PC's at home (with Win XP, Win 7 & Win 7) and a router. I am always connected to the internet through the router (PPoE connection). My problem is that sometimes when I want to search or open a page, my browser tells me that the server cannot be reached, as if I don't have a connection to the internet. Other times it logs me out from messenger, but browsing still works. FTP download/upload also works. If i disable and enable the LAN then all works fine. The connection doesn't always drop on all three PC's at the same time. Anyone got any idea besides re-installing OS? thanks

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• wireless network with cable modem and access point

  - by hayri

  I have a Scientific Atlanta EPC2203 cable modem and a TP-Link TL-WA500G access point. When I connect my computer directly to modem with a CAT5e cable I have internet connection on my laptop (when i type ipconfig i see my external ip there, provided by isp). So I decided to have wireless network in the flat, allowing other devices to connect as well. I bought this wireless ap (TL-WA500G) configured Wireless security stuff, and connected it to my modem. With that configuration (by default AP has static ip of 192.168.1.254) only my computer can connect to internet over wifi, but not any other device. When I set the IP of AP to Dynamic IP (DHCP) it is the same. How should I change my configuration to enable all wifi devices to connect to internet?

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• Is there a way to allow administrators to change or reset user passwords?

  - by Jon Seigel

  We have a custom MembershipProvider implementation using form-based authentication (FBA) under Sharepoint 2007. I've searched high and low on Google, but only found: Active directory and FBA implementations to allow users to change their own password Active directory instructions (including video!) for administrators to change other users' passwords Have we missed an option to enable the latter under FBA? Should this work by default and is the MembershipProvider misbehaving? The procedure to do this as under active directory would be ideal, but the "Change Password" link does not appear in the Edit User screen. We verified that the logged-in user is a site collection administrator.

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• XDMCP works for Solaris, not for RHEL

  - by joshxdr

  I have some old RHEL4 servers that until recently I was able to connect to remotely with Exceed (remote desktop using XDMCP) from my windowsXP PC. My PC is connected to our network by wired LAN. Recently it seems something has changed in our network. I can still connect to all the old Solaris and HPUX servers with Exceed, but for some reason I can no longer connect to the RHEL4 servers. I assume this is some kind of "security" feature turned on in our network. Does anyone know what this might be, and how I can tell IT to re-enable it? Update: A colleague has found that he can connect (very slowly) to these RHEL4 boxes with XDMCP if he is using our VPN from home, but when he is in the office using wired LAN he cannot connect to them. So it seems that there is some kind of firewall or ???, part of our wired LAN network, that is blocking XDMCP traffic from RHEL4.

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• Android tethering question

  - by Solignis

  Hi there, I have a Motorola Droid 1 with Android 2.2 on it. I found something odd that I don't understand why it works. If I plug my phone into my home computer which is Windows 7 and I turn on the tethering ability, I am met with a Verizon captive portal and it tells me I need to pay for a tethering plan (which I don't have). Now the weird thing, if I plug the same phone into my Ubuntu 10.10 laptop and enable tethering it works and can get on the internet with no captive portal showing up. The only thing I could notice that was different about the connections was Windows connected to the phone with an NDIS driver and Linux connected to the phone with what I think is a raw device mapping. Would that have anything to do with it?

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• variables in batch files

  - by richzilla

  Hi All, Im trying to set up a batch file to automatically deploy a php app to a web server, and basically what i want is an entirely automated process where i would just give it a revision number from the repository and it would then export the files, upload via ftp and then update deployment info at the repo host (codebase). However, im starting from scratch here, and im wanting to know, how would i set up a batch file to accept a variable when it was run, for example typing myfile.bat /revision 42 would enable me to deploy revision 42 to my server. if anyone can point me in the right direction id be very appreciated.

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• Integrated video card not detected after installing new video card

  - by Jaime

  Hi, I got this emachines ET1331G-03W with a built in integrated video card (GeForce 6150SE). I added another video card (e-GeForece 6200 LE) in the hopes that I utilize both and have a dual monitor. But once the additional card was installed, windows 7 does not recognize the integrated video. Is it possible to use both video cards and have a dual monitor setup? Is there a switch on the motherboard that I have to turn on or off to enable the integrated video card along with the new card. Thanks!

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• Internet connection issue

  - by Mr New

  For some reason this laptop doesn't want to stay connected to the Internet... I have to restart the DHCP client service every time to fix the connection problem. Could someone tell me whats going on because I didn't have to usually do this? And I'm not sure if these problems are connected but the sound also disconnects itself and I have to enable it back, but everything that was using audio has to be restarted in order to hear it, even the browser? There are no external speakers and I didn't install any new software. My laptop is an XPS M1530, running Windows Vista.

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• [Ubuntu] How can i log-in to Ubuntu using USB-serial console (rs232) ?

  - by marc

  Welcome, How can enable remote terminal login into Ubuntu 9.10 using usb-serial terminal ? I got created device ttyUSB0 and i want allow to log-in using hyper-terminal. I found some resources but they are related to real! hardware rs232 ports, i can't find any information about USB converter. Right now i have established connection between that usb-serial port and my laptop (i can send text writing to port cp sometext.txt /dev/ttyUSB0 and read using hyperterminal). Any idea ? Regards

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• Recompile PHP *nix

  - by Dorjan

  Hello everyone, I'm a total newb to *nix in all forms so assume I know nothing about it. I've been trying to use a php function set called "ZipArchive". It says I need to recompile php with the --enable-zip option. Now "recompile php" scares me. Does that re-install it!? Does it clear all previous settings so if I do this then any settings done prior will be wiped? Or is there a way to add on this one option? Seems a bit much for a re-installation to add a model when on a windows server it is just add a line to the .ini file :\ Many thanks to anyone who can clear up this matter for me :)

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• remote desktop to Fedora 20 with xrdp

  - by 5YrsLaterDBA

  I was able to setup xrdp on my Fedora 13 machine and access it from my Windows 7 machine by follow the steps on the first post on this thread It was simple and easy. But when i try the same on my Fefora 20 machine, things are quite different. There is no error message but some new info like these: # chkconfig --levels 35 xrdp on Note: Forwarding request to 'systemctl enable xrdp.service'. # service xrdp start Redirecting to /bin/systemctl start xrdp.service and then I cannot remote it from my window machine. I also did the following based on the last post of above threa: # yum -y install tigervnc-server Any configuration I should do to make xrdp works for me? I was able to ping each other. EDIT: I can access the shared folder on my Windows machine from my Fedora 20. It seems the problem is on the Fedora side. how to know the service on linux is running? The "service --status-all" cannot give me useful information.

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• CELLPHONE's wifi makes my wireless router disconnect Plz Help me

  - by wifiprobodude

  Hey guys i have a problem. For 7 months now, i have been dealing with internet problems. But i finally found out why my wireless router has been disconnecting randomly. Everytime I enable wifi on my cellphone, my whole router disconnects and lose internet untill i swtich the wifi off on my phone. I dont understand why this is doing this Can anyone help has this happend to you? htc android-wifi everyday-problems And Just to findout it happens with all wifi devices?

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• What are the challenges when my enterprise desires to move the processing component of an applicatio

  - by Berkay

  Assume that i have an enterprise accounting application that consists of a front-end interface, a processing tier, and a back-end database. This is an application that contains private business data, and thus is traditionally run in a secure private network environment within the enterprise. What are the challenges that appear when my enterprise desires to move the processing component of this application to a cloud computing data center in order to achieve greater scalability or to reduce IT costs ? Pls note: do i have to make significant changes to my own infrastructure to enable external access to formerly private resources? do i have to modify the application code to handle new network topology ? thanks, if you give your answers in a simple manner, really appreciated.

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• SQL Server Instancing: Should I use multiple instances or databases?

  - by Spence

  I have a reasonable server connected to a SAN which will be running SQL servers for multiples of the same application. There are no security issues with one application being able to read anothers database. We are unfortunately in 32 bit windows as well. I'm of the opinion that it would be better to use one instance on the server, enable AWE so that the server instance can use almost all of the ram we have and then run each of the databases in the one instance. However I've been overruled by the gods of the IT department on this one, so I'm really curious to hear your thoughts on this. From a performance point of view, am I incorrect that one instance of SQL is better than two? I know that we could do some failover stuff, but doing that on one blade only seems like overkill to me..

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• Setting up an Active-Active IIS Cluster with ARR - is it possible?

  - by Ahmed Zubair

  I would like to know if we can setup an Active-Active IIS Cluster using Windows Cluster services that shares a common storage to store web content and WITHOUT the use of Windows NLB. I'm aware that this may not be a best practice or not a recommended setup, however, the setup is to be configured as below: Two web servers running IIS 7.5 (needs a common storage for web content) for HA and another set of two servers for sql cluster in active-passive mode for HA. Also is it possible to enable ARR on 2 node active-active IIS cluster for load balancing http requests? Appreciate if someone replies with both pros & cons of the setup.

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• How can I stop my laptop display from flickering when I connect my TV?

  - by Lord Torgamus

  I have a laptop with an HDMI output port running Vista, and an HDTV with HDMI input ports. The laptop is set to extend its desktop onto a second monitor. When I connect the computer to the TV with an HDMI cable, my laptop screen usually flickers rapidly. Most of the time it lasts for about 30 seconds, but sometimes it lasts for several minutes and once in a while it doesn't happen at all. It wouldn't be so bad except that the cursor moves back to the center of the laptop screen with each flicker, so I can't really do anything until the machine decides it's ready to calm down. I haven't been able to find any pattern at all for the causes or duration of the flickering. It doesn't seem to matter what programs the laptop is running when I connect it to the TV, whether I enable the extended display before or after I connect the TV or which HDMI port/cable I use. What could be causing this, and how can I make it go away?

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• How do you implement NAT-T passthrough on a Juniper SRX series Firewall?

  - by Chris

  We have 3 juniper SRX-100 firewalls, they are configured like so: FW1 - FW2 - INTERNET - FW3 We would like to create an IPSEC tunnel between FW3 and FW1 passing through FW2 preferably using NAT-T. Is this possible? FW1 and FW2 have some strict access rules only allowing 1 port connected (it's a DMZ with a server in) so we can't just create a route based vpn between FW1 and FW2 to forward the traffic (otherwise all traffic will be forwarded) We know the tunnel is fine because we have managed to test it between FW1 and FW3 (without FW2 in the middle) so we know that the issue is to do with the 'passthrough' on FW2. Essentially, the question is - What options do we need to select on FW2 to enable it to pass through the IPSEC traffic straight to FW1? Many thanks in advance

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• Connecting my XBOX 360 to home network

  - by patrick

  I am trying to set up my XBOX 360 as a Windows Media Center Extender. I input the code as shown on the XBOX screen, but I get the error message: "Cannot Set Up Extender." This means that the Extender was found (there's a separate error msg for extender not found), however it can't be set up. Windows points me to this page which tells me to change my router settings to enable multicast and UPnP. My router doesn't have those specific settings but I did open all ports for the XBOX. What is odd about this problem is that it did work, then I restarted my computer and didn't change any settings, and now it doesn't work. I guess something did change, but I can't figure out anything else to try after opening all ports. I'm running Windows 7 and the router is fairly recent (I bought it about six months ago) so it should be able to handle this. The router firmware is up to date.

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• Proxmox 31 + KVM routing + IP subnet + csf

  - by KeyJey

  We have proxmox 3.1 server in netzner with routuing network and IP subnet block. We want to implement csf firewall without interfering the traffic of the KVM VMs, what would be the easiest way? We readed that we should add this lines to /etc/csf/csfpost.sh: iptables -A FORWARD -d 144.76.223.155 -j ACCEPT iptables -A FORWARD -d 144.76.223.156 -j ACCEPT iptables -A FORWARD -d 144.76.223.157 -j ACCEPT iptables -A FORWARD -d 144.76.223.158 -j ACCEPT iptables -A FORWARD -d 144.76.223.159 -j ACCEPT iptables -A FORWARD -d 144.99.183.323 -j ACCEPT But when we enable csf the ping breaks, this is the network config (IPs are modified): auto lo iface lo inet loopback # device: eth0 auto eth0 iface eth0 inet static address 144.76.166.100 netmask 255.255.255.255 pointopoint 144.76.183.97 gateway 144.76.183.97 # for single IPs auto vmbr0 iface vmbr0 inet static address 144.76.166.100 netmask 255.255.255.255 bridge_ports none bridge_stp off bridge_fd 0 up ip route add 144.99.183.323/32 dev vmbr0 # for a subnet auto vmbr1 iface vmbr1 inet static address 144.76.166.100 netmask 255.255.255.248 bridge_ports none bridge_stp off bridge_fd 0 Thanks in advanced ! :)

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• Anonymous user with proftpd on fedora

  - by stukerr

  Hi there, I am trying to setup an anonymous user account on our server to enable people to downlaod technical manuals for our products etc. and I would like this to be as secure as possible! I was just wondering if anyone knew a series of steps that will allow me to create an anonymous ftp account linked to a directory on the server that enables download only ? Also how could i make a corresponding ftp account with write priviledges to this account to allow people within our company to upload new files ? Sorry i'm a bit new to all this! Many Thanks, Stuart

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• XP Mode as a server, Win 7 as a client

  - by Spyro

  I have two virtual machines (XP Mode). They are connected to each other by a network setting - Internal Network. It is the only working setting. This is the only way I got two virtual XP to ping each other. Now I want to connect each of them from the application that runs on Windows 7 which is hosting both virtual machines, but I can't do that. The firewall on both XP-Mode machines is disabled. Any other networking setting added as additional adapter on Xp-Mode machine does not allow me to connect from Windows 7. So my question is this - how to enable connection from Windows 7 application to XP mode application (client - server)? Point 2 (pass message) work perfectly because of the "internal network" setting. The problem is point 1 and 3.

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• Google Chrome can't play some flash videos

  - by Stoney

  Some flash videos won't play in Chrome, while they play perfectly in other browsers. The player will load, but instead of showing a preview of the video and a play button on the middle of the video, the screen is black: Here's an example of a video that does not work and here is a video on the same site that does work. The video that works is a Youtube video embedded on the site with JW Player, while the nonworking one is probably hosted by the website itself. In both cases it is using Flash. The site is popular and others don't seem to be experiencing this problem. I am running Win7 64bit and I have no ad blockers installed. I have found two common solutions to this problem, neither of which work: Solution #1: Remove all flash application data. Solution #2: Enable and disable Chrome's built in flash and System's flash. Any suggestions?

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• OpenLDAP Password Expiration with pwdReset=TRUE?

  - by jsight

  I have configured the ppolicy overlay for OpenLDAP to enable password policies. These things work: Password lockouts on too many failed attempts Password Change required once pwdReset=TRUE added to user entry Password Expirations If the account is locked out due to intrusion attempts (too many bad passwords) or time (expiration time hit), the account must be reset by an administrator. However, when the administrator sets pwdReset=TRUE in the profile, this seems to also override the expiration policy. So, the password that the administrator sent out (which should be a temporary password) ends up being valid permanently. Is there a way in OpenLDAP to have a password that must be changed, but also MUST expire?

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