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• L2TP and multiple interfaces on the machine

  - by Alex

  We have setup ipsec and l2tp on linux. One question came up (due to firewall management policy) is whether it's possible to have 1 virtual interface instead of one per connected client. Now we have: ppp0 serverip clientip1 ppp1 serverip clientip2 Want to have: l2tp_tun serverip serverip like with OpenVPN's tun interfaces and then to be able to push IP address and route to each client.

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• Can't connect to FTP sites

  - by Javier Badia

  This started happening when I installed Windows 7. I've tried with Filezilla and with the FireFTP Firefox plugin, and I could never connect. Filezilla gave the error message "ECONNREFUSED - Connection refused by server". I tried disabling the Windows Firewall, but no luck. Any ideas on what might be causing this? I just discovered that I can connect with web services like net2ftp, but not with FTP clients.

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• What ports does Management Studio use to connect to SQL Server (2005)

  - by Martin

  I have SQL Server 2005 operating on a remotely hosted server and wish to access it from my own machine using management studio The firewall on the remote server is allready setup to allow all traffic from my external IP - and that works great. However I have a load balancing router that has a second line attached to it - unfortunatly the second line has a dynamic external IP. I need to therefore set up a rule in the router to always send data from Management studio on the first line - but I need to know the port numbers. Can you advise?

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• nmap says 0 hosts up even though I can ping

  - by Austin

  I'm running Metasploit from Win 7 x64, and I've set up my Metasploitable 2 virtual machine on VMware Player. I can ping Metasploitable's IP address from the Metasploit console, however if I use nmap it says: Note: Host seems down. If it is really up, but blocking our ping probles, try -Pn I try it with the -Pn switch, it says Nmap done: 1 IP address (0 hosts up) scanned in 0.64 seconds I've disabled my Windows firewall and I'm running Metasploit as admin. Why can't I nmap my virtual machine?

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• Windows Server 2003 port forwarding

  - by Vitor Braga

  Using the "netsh interface portproxy" I added a port forwarding to a Windows Server 2k3. The command "netsh interface portproxy show all" shows the added forwarding. On the other hand, any client connecting to the incoming port will receive a "connection refused" message. netstat also doesn't show the incoming port as listening. The machine firewall is disabled. There is any other way to setup port forwarding on Windows or debugging tips?

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• Unable to ping to outside network from behind a Linux router

  - by Supratik

  Hi My system is behind a Linux firewall, where eth0 is connected to internet and eth1 is connected to my LAN. The issue is I am not able to ping to outside my network. The iptables rule I have used here as below. iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -p icmp -j SNAT --to-source $PUBLICIP Please correct me if I am doing anything wrong here. Warm Regards Supratik

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• Is it a very bad idea to create disk image of mounted disk?

  - by Maciek Sawicki

  I would like to backup my server. For example using dd: dd if=/dev/md0 of=/some_network_share I wonder if this image will be vary inconsistent if /dev/md0 is mounted? Would it be possible to convert such dd image to vdi drive and create working virtual machine? Using this command for example: VBoxManage convertfromraw ImageFile.dd OutputFile.vdi Network traffic is disabled on firewall (there is only connection to/from one remote machine where image is copied).

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• FTP passive mode with limited port range?

  - by Phil Keeling

  I am running FileZilla FTP Server with passive mode enabled, and due to firewall constraints I have to limit the passive mode port range to only 6 ports. My question is how would FileZilla handle any situation where more than 6 concurrent FTP connections are active and want to passively upload a file. Would it queue the connections and prioritise them in a first in, first out manner? I'm not too familiar with FTP so any insight would be appreciated.

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• Can someone access my locally ran website even if I haven't specified any port forwarding?

  - by user701510

  I am using Xampp so I can test my web application directly on my own computer. I am concerned that someone can access my Xampp site since I am still connected to the internet. However, I have NOT explicitly enabled any port forwarding with respect to my Xampp site in my router firewall settings. Furthermore, I am using a dynamic ip address. Given the factors already stated, can someone from outside my local network still access my locally ran website?

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• Is it possible to open server ports on TUN devices?

  - by JosephH

  If I make a VPN connection to a server (say myvpn.com; assume this server is not behind any router/firewall) via a TUN device and open a port (say 5555), will someone else be able to connect to me via myvpn.com:5555? If not, is there a tunneling software that does exactly this in a transparent manner? i.e. run any TCP/UDP-based server instance behind a router without NAT using another remote server.

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• Remote Assistance to Windows 7 Starter Permission Denied

  - by ef2011

  Remote Assistance is enabled on a PC to-bo-controlled-remotely which is running Windows 7 Starter. I also allowed permanent access for it on the firewall. On the controlling Windows XP Professional laptop I enabled Offer Remote Assistance using gpedit.msc. Both are on the same Workgroup and on the same subnet in my LAN. But I still receive Permission Denied when I attempt to connect: Any idea what I could be missing and how to troubleshoot this problem?

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• how to create a home server ?

  - by Eva

  i download appserv and install on my computer and set the default ip in my Default Gateway but when other people want to connect to my home server , they get the error of time out ! what am i going to do ? my server address : http://192.168.210.230/ and my firewall is now off ! also my antivirus pls help me . Thanks in advance

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• how to create a home server ?

  - by Eva

  i download appserv and install on my computer and set the default ip in my Default Gateway but when other people want to connect to my home server , they get the error of time out ! what am i going to do ? my server address : http://192.168.210.230/ and my firewall is now off ! also my antivirus pls help me . Thanks in advance

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• What's the best way to apply a drop shadow?

  - by jckeyes

  What is the best method for applying drop shadows? I'm working on a site right now where we have a good deal of them, however, I've been fighting to find the best method to do it. The site is pretty animation heavy so shadows need to work well with this. I tried a jQuery shadow pulgin. The shadows looked good and were easy to use but were slow and didn't work well with any animations (required lots of redrawing, very joggy). I also tried creating my own jQuery extension that wraps my element in a couple gray divs and then offsets them a little bit to give a shadow effect. This worked well. It's quick and responsive to the animation. However, it makes DOM manipulation/traversal cumbersome since everything is wrapped in these shadow divs. I know there has to be a better way but this isn't exactly my forte. Thoughts?

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• xampp - can access control panel, cannot access projects/sites on local network

  - by Peter O.

  I've configured xampp and firewall so I can access desktop pc's localhost over my local network through desktop pc's IP. But I'm not able to access auctual projects: I can access: http://192.168.x.x/xampp or http://192.168.x.x/phpMyAdmin But I cannot access: http://192.168.x.x/myWebsite/ I get an error: Server error We're sorry! The server encountered an internal error and was unable to complete your request. Please try again later. error 500

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• Hosted file is downloaded damaged by IE

  - by victor hugo

  I have a ZIP file hosted via Apache with Akamai as CDN, the problem is when trying to download it with IE (and just IE) it is damaged and I'm unable to open it. Since the problem occurs in other computers in different locations I've discarded network settings (firewall, proxy, etc). I don't even know where start to look? What would be a possible cause for this to happen? UPDATE I'm trying to solve the problem in the server (or CDN), I've verified it's not a client error

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• OS X - forwarding external port to local loopback address

  - by Rory Fitzpatrick

  I have an HTTP service bound to port 8000 that I want to access from another computing on the network, but I can't seem to connect using the external IP address of the machine (e.g. 192.168.0.105). I've checked the OS X firewall isn't running, so I'm assuming the issue is the service is only bound to the IP address 127.0.0.1, and not the external IP address. What would be the easiest way to temporarily forward external connections on port 8000 to 127.0.0.1:8000?

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• xtreamer doesn't see Window 7 shares

  - by Assaf Lavie

  Weird situation after reinstalling Windows 7 on my PC. Suddenly the xTreamer (media streamer) that's connected to the same LAN doesn't see shares by my PC. Other PCs (and even a MacBook) on the same network can access these shares just fine. And the xTreamer is capable of seeing other shares in the network (e.g. by some other NAS server I have). It can't be permissions/firewall because the Mac does connect to the shares... I'm stumped. Ideas?

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• torrent program dropping peers

  - by jabbers

  hello, i am trying to download a torrent and i'm noticing that i have plenty of seeds and peers, but the peers connect then disconnect very quickly after, they keep getting dropped. why could this be? firewall settings possibly?

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• postgresql login from remote

  - by Hellnar

  I want to give remote access to my postresql db (8.2) to computers that are at the same lan, at the default config I have added this line to pg_hba.conf where xxx.xx.xx.xx is the ip of the machine that hosts postgresql. This machine is a windows 2k server. # IPv4 local connections: host all all 0.0.0.0/0 password host all all xxx.xx.xx.xx/24 password There no firewall or such blocking the connection between and `listen_addresses = '*' for postgresql.conf .

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• Internet explore is unresponsive while loading a large page

  - by kdhamane

  We have a html page being rendered in the browser (IE) that causes the browser to hang. The page is generated through server side script (ASP.NET and viewstate is disabled). The page while loading takes a long time (its not a b\w issue since we can reproduce it on local machine) and sometimes results in script unresponsive error. On debugging the issue we found that the html size on the client side is 4.73 MB. There's also a lot of DOM traversal (using JQuery) after document is ready (jquery-document.ready). After loading as well, the page simply hangs on any user interaction (scroll, mouseover) etc. A CPU usage spike (25-50% usage) is seen during loading and on any user interaction

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• No Data Received

  - by Ben Moore

  Out of the blue, around 40% of my website's community can no longer visit, saying they're getting "No Data Received" errors. We've taken our firewall offline, tried going through systems such as Cloudflare and checked our .htaccess to no avail. I've asked affected users to traceroute but the weird thing is it looks like it's being stopped at ISP level. Can anyone suggest other things that may be causing this error?

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• Connecting to a remote mysql server from a windows machine (XP)

  - by Samuel Martin

  I am trying to connect to mysql server which is installed on my home pc from another pc. I allowed all connection in mysql configuration. There's no firewall blocking on the pc I am trying to connect from. I used the command- mysql -h Some.Host.IP -u SomeUser -p SomePassword I am getting- ERROR 2003 (HY000): Can't connect to MySQL server on 'Some.Host.IP' (10060) I can connect through php!! What's the problem? How do I solve it?

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• Ping issues with Windows Server 2008 R2 with mail server!

  - by S. M.

  For some reason I can ping all servers in my network except for the mail server and the mail server can ping all servers except the windows server 2008 R2. The firewall has been disabled and still it doesn't respond. The weird part is that every once in a while it will all of a sudden start allowing pings and then just as suddenly stop allowing pings. I've made sure there's no type-o's in the ip address or subnet mask or gateway. Any other ideas?

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• Why is connecting to external FTP sites slow on virtual 2008 R2 and not on host?

  - by subkamran

  I have Windows Server 2008 R2 installed as a virtual guest in my Windows 7 host via VirtualBox 4.0. I did this to move my development activity to a controlled environment that doesn't affect my host OS when I don't want to develop. The problem I have is that when I try to connect to my shared hosting FTP, it's slow as hell on the virtual OS but perfectly fast on the host. I tried: Disabling Windows Firewall Trying several different FTP clients Anyone else have this issue?

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