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• Is it possible to backup an SQL Database hosted on an Azure VM, to our internal DPM2012?

  - by Florent Courtay

  I've got an SQL database on an azure VM (non domain) that i'd like to backup to our internal DPM 2012 server. I've installed the DPM agent on the Azure VM, setup DCOM to use only the ports 5000 to 5025 on both the VM and the DPM server, created the 135, 5000-5025, 5718 5719 endpoints on azure and on the VM's firewall. When trying to add this agent to the DPM server, I end up with an error, "Unable to contact the protection Agent on server .cloudapp.net" I know there is some sort of connection between them, as using a wrong password gives me an Invalid Credentials error. The error seems to be DCOM related : When trying to connect to the Azure VM from the DPM server using VBEMTest, i get an Error "0x800706ba The RPC server is unavailable", but access is deneid when using wrong credentials ) What am i missing ? Has someone been able to achieve this kind of setup ? Thanks for your help !

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• Open ports for Apache Tomcat-7.0.32 on Linux Mandriva

  - by ivanov-void

  I installed Apache Tomcat-7.0.32 on Linux Mandriva and I want to make it accessible. for this I need to open ports in iptables. I added the following rules- iptables -A INPUT -p tcp -m tcp --dport 8081 --syn -j ACCEPT iptables -A INPUT -p tcp -m tcp --dport 8010 --syn -j ACCEPT iptables -A INPUT -p tcp -m tcp --dport 8444 --syn -j ACCEPT iptables -A INPUT -p tcp -m tcp --dport 8006 --syn -j ACCEPT then save and restart iptables - /etc/init.d/iptables save /etc/init.d/iptables restart verify, that ports is open - netstat -tulpn | less I am running command - netstat-ntpl | grep java and see - When I disable the firewall, I see the start page of the server on request - http://server_ip:8081/ When enable - server not accessible from outside. In what may be the cause? I would be most grateful for the information! Thank you!

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• Setting up WAMP to run on a LAN

  - by Steve

  I've installed WAMP on a Windows 7 PC, and it is running fine locally, as localhost. I want PCs on the LAN to be able to view the local server. When they load my PC's IP address in their browser, they receive a "You don't have permission to access / on this server" error. I followed this guide, but the issue remains. To recap: I've added an inbound exception to Windows Firewall for port 80 for Private and Domain connections. I've edited Apache's httpd.conf to include: Listen 80 Listen 192.168.0.5:80 < Directory "c:/wamp/www/wordpress/" allow from all < /Directory I've edited httpd-vhosts.conf to include: < VirtualHost 192.168.0.5:80 DocumentRoot "C:/wamp/www/wordpress" < /VirtualHost Any ideas?

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• IIS cannot access itself

  - by dave

  We are on a corporate network that uses ISA and I am having issues trying to not have requests go through ISA. I have IIS7 on my local Windows 7 machine that has websites and a service layer. The websites access the service layer using a xxxx.servicelayer.local address that is set up in my HOSTS file to point to 127.0.0.1. I have Windows Firewall client which I have disabled. I have tried both adding this address into IE so that it does not go through ISA and also disabled this section altogether. When the website (which is actually IIS making the request to itself) tries to access the service layer I receive an ISA error that proxy authentication has failed. Considering that everything I can see to configure is set to not go through the proxy, ISA, I cannot see how this is actually going through the proxy and giving this error. Is there something within Windows 7 that forces the proxy setting, some sort of caching or similar?

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• FTP Access Denied when uploading to server

  - by Albert

  Ok, here's the story. I have a server running FTP 'out there' I can connect to it using the admin account, browse files, download files. When I try to upload files, I get 550 Access Denied. I have tried through FileZilla and command line. I have windows firewall turned off (on my machine) I can UPLOAD files from another machine (using the same admin account) on our local network (that means, same public IP) what is the problem? I am running Windows 7, Build 7100 and the other machine on the network is running XP SP3 The thing that gets me though, is that this worked for the last probably 4 months, without a problem, I get back in the office after a weekend today and it won't work...

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• Cannot access https sites through any browser on Win XP?

  - by manwood

  This isnt a firewall issue, I can telnet to gmail with no problems, but all browsers (chrome, IE, firefox) return a This web page is not available. error when tring to access it through the browser. I can access the same pages, using the same browsers, on the same machine, but through a different user account with no problem. What the hell is going on? Help appreciated. Edit: This is definitely a windows setup issue - I have just created a new admin account and can access https with problems. This is seriously infuriating.

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• How to tunnel port 25565 through SSH?

  - by user62389

  I want to play a game which is hosted on port 25565 (minecraft!), but my university firewall does not allow this port. I have a dedicated server running linux not too far from uni, so I think there's a way to tunnel through it (but I've never done this before and have no knowledge/experience of tunnelling) It would probably be slow, but it's better than not being able to play at all. Is it possible to do using only SSH, or do I need other client/server software? My server has OpenSSH installed. Also, the computer I'm using to play the game is running Ubuntu. I've tried searching but there seem to be so many different solutions to different types of problem =/

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• Self-hosted browser-based remote desktop script?

  - by rlsaj

  I need a self-hosted browser based remote desktop script that will connect me from any PC to my work PC. I need to either host this script within my own dedicated hosting or on my work PC. The PC that I need to remote into is always the one PC (Win7) and the IP never changes, and I have access to the Router/Firewall within. I have tried many remote desktop services and applications - LogMeIn, Team Viewer, (Ultra/Tight) VNC, GoToMyPC and iTeleport Connect and even Windows Remote Desktop - and the web services (or ports) are blocked at whatever free wi-fi/hotel/coffee shop I am at. Note that I will need to be able to access this from any PC, so I won't be able to install any applications (or use any portable software) - hence my thinking that it will need to be browser based on a standard (not blocked) port. If I can set up a web based remote desktop application - really a homebrew LogMeIn - then I should solve my problem. What is the best option here?

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• diagnostic software for wifi adapter

  - by Nathan Fellman

  I'm having trouble with my wifi connection. Is there any software out there that can help me determine if the problem is in the drivers or in the hardware? Regretfully, I'm working on Vista Edit: The problem I'm having is that the Vista reports that the wireless radio is connected, shows an IP and all, the router also shows that the computer is connected, but there's no connectivity. I can't logon to the router, and I can't even ping it. When I ping it I get the response: General Failure I have tried connecting with and without various wireless security protocols. I have tried disabling the wireless adapter and re-enabling it from the Device Manager I have tried updating the driver None of this has helped. When I connect via Ethernet (with a cable, that is), everything works fine. Edit: I'm not using any firewall on the computer, that I'm aware of. The IP address for the WIFI adapter is similar to the one for the LAN adapter. They differ by one.

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• Getting prompted for password accessing page through script even when client and server are in same

  - by Munawar

  I'm trying to pull up an internal webpage in automated fashion using the methods in 'Internetexplorer.Application' using vbscript. But I'm getting prompted for password, although the client and the server both are in the same domain. Predictably when I manually try to access the web page, I don't have any problem. Only when I try using cscript.exe or iexplore.exe, I get prompted. I'm trying to automate some of the smoke test we do after a new build is deployed. But this password prompt is getting in the way. Following are the system specs Client machine - IE 7.0, OS is Windows server 2003 Server machine - Windows Server 2008 Both are in the same domain. So far I've unsuccessfully tried following to automate the password input system.diagnostics.process.start var WinHttpReq = new ActiveXObject("WinHttp.WinHttpRequest.5.1"); WinHttpReq.Open("GET", "http://website", false); WinHttpReq.SetCredentials("username", "password", 0); Nothing seems to work I checked in IIS. we have only anonymous and forms authentication enabled Is there any configuration setting in the client machine that can be tweaked to bypass this, although I'd hate to do it since you step on the toes of twenty people trying to do that. Preferable way would be to programmatically input it if its possible. Also, if you can suggest a more appropriate forum, that'd be great too. Please help.

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• Can't access LAN computers with SSH

  - by endolith

  I got a new Windows 7 machine, and was using VNC,SSH etc to connect to my Ubuntu machine, and it worked fine previously. Now it doesn't work if I use the machine's hostname or local IP, but if I use the DynDNS name, it works. I can also access it from my Android phone using the local hostname over SSH. If I try to connect with SSH to the hostname, it says "Host does not exist". VNC says "Failed to get server address". NX says "no address associated with name", and I don't see it in Windows' "Network" folder. I've rebooted everything. I've turned off Windows firewall. It was working fine a few days ago, but now it's not. How do I figure out what's blocking it?

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• iptables: built-in INPUT chain in nat table?

  - by ughmandaem

  I have a Gentoo Linux system running linux 2.6.38-rc8. I also have a machine running Ubuntu with linux 2.6.35-27. I also have a virtual machine running Debian Unstable with linux 2.6.37-2. On the Gentoo and Debian systems I have an INPUT chain built into my nat table in addition to PREROUTING, OUTPUT, and POSTROUTING. On Ubuntu, I only have PREROUTING, OUTPUT, and POSTROUTING. I am able to use this INPUT chain to use SNAT to modify the source of a packet that is destined to the local machine (imagine simulating an incoming spoofed IP to a local application or just to test a virtual host configuration). This is possible with 2 firewall rules on Gentoo and Debian but seemingly not so on Ubuntu. I looked around for documentation on changes to the SNAT target and the INPUT chain of the nat table and I couldn't find anything. Does anyone know if this is a configuration issue or is it something that was just added in more recent versions of linux?

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• iptables question

  - by RubyFreak

  i have a small network, with one valid IP and a firewall with 3 network interfaces (LAN, WAN, DMZ). I want to enable PAT on this valid IP to redirect http traffic to a server in my DMZ. (done) I want to enable MASQ on this ip from traffic that comes from my LAN (done) I want from my LAN as well to access my http server at DMZ. (partially) Question: in the above scenario, i cannot from my LAN, to access my http server in the DMZ, since it has the IP used by the MASQ (the only valid ip that i have). What would be the best option to solve this problem? network interfaces: eth0 (WAN) eth1 (DMZ) eth2 (LAN) /sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE /sbin/iptables -A FORWARD --o eth1 -d 2.2.2.2 -p tcp --dport 80 -j ACCEPT /sbin/iptables -t nat -A PREROUTING -i eth0 -d 1.1.1.1 -p tcp --dport 80 -j DNAT --to 2.2.2.2 /sbin/iptables -A FORWARD -i eth0 -o eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT /sbin/iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT /sbin/iptables -A FORWARD -i eth2 -o eth0 -j ACCEPT

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• Proxying fake domain to a localhost port

  - by Trevor Burnham

  I'd like to do much the same thing described at Redirect Domain Name to Localhost for web app development purposes, but with the twist that I'd like requests to fakedomain.com:80 to be routed to localhost:8080, say, so that I don't have to actually use my development machine's port 80. I'd welcome answers that take the form of: Small changes to configuration files like /etc/hosts, and/or An easy-to-configure proxy server I could run Note: Pow takes the approach of setting a firewall rule to forward all incoming traffic on port 80 to port 20559. That may be an acceptable solution, but ideally, I'd like to forward only a specific domain + port combination.

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• Cannot connect to telnet server

  - by BloodPhilia

  So, I can't use telnet to connect to any server but it works fine from a different computer. It just says it can't connect. I tried the following things: Disable firewall and AV protection. (Basically, there was no security feature left online) Telnet is set to "Trusted" in my AV protection. (Kaspersky Internet Security 2011) Using Putty to telnet, but apparently Putty's connection is also inhibited. (Says it can't connect to host) Disabling the telnet client in Control Panel and then re-enabling it. (Windows 7 Ultimate) hosts file is clean. Checked for nasties using MBAM and KIS 2011 as well as going though my HijackThis logs, nothing found. I can connect to the same machines/servers through the web browser, ping, tracert, etc. Only telnet seems to be blocked. Any other thoughts?

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• How to access a port via OpenVpn only

  - by Andy M

  I've set up an openvpn server alongside an apache website that can only be accessed on port 8100 on the same machine. My /etc/openvpn/server.conf file looks like this: port 1194 proto tcp dev tun ca ./easy-rsa2/keys/ca.crt cert ./easy-rsa2/keys/server.crt key ./easy-rsa2/keys/server.key # This file should be kept secret dh ./easy-rsa2/keys/dh1024.pem # Diffie-Hellman parameter server 10.8.0.0 255.255.255.0 ifconfig-pool-persist ipp.txt # make sure clients can still connect to the internet push "redirect-gateway def1 bypass-dhcp" keepalive 10 120 comp-lzo persist-key persist-tun status openvpn-status.log verb 3 Now I tried to let only clients connected to the vpn network access the website on apache via port 8100. So I defined a few iptables rules: #!/bin/sh # My system IP/set ip address of server SERVER_IP="192.168.0.2" # Flushing all rules iptables -F iptables -X # Setting default filter policy iptables -P INPUT DROP iptables -P OUTPUT DROP iptables -P FORWARD DROP # Allow incoming access to port 8100 from OpenVPN 10.8.0.1 iptables -A INPUT -i tun0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o tun0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT # outgoing http iptables -A OUTPUT -o tun0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A INPUT -i tun0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT Now when I connect to the server from my client computer and try to access the website on 192.168.0.2:8100, my browser can't open it. Will I have to forward traffic from tun0 to eth0? Or is there anything else I'm missing?

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• Windows VPN not authenticating from ADSL to Wireless link

  - by deanvz

  I have a normal windows VPN on a computer connecting to a 196.201.x.x/24 IP. If this VPN tries to connect from any address in the 41.x.x.x range it cant get there. The server is a normal windows 2008 server, running exchange with a PPPoE IP natted to a public IP on the public gateway of the wireless network as the server is on site and its connectivity is derived from Mikrotik RB's. The computer on the 41 range can traceroute and ping the server, but the VPN does not authenticate. When on the network or any other, the VPN works fine. Is there something that could be configured on the VPN client? All firewall settings of a standard ADSL router have been checked and found to block only ICMP's. Is this a VPN configuration problem or a network issue?

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• Can I set up a 2nd home wireless router, with router2 connecting to the internet through a desktop which is wirelessly connected to router1?

  - by gil b.

  Hi, I apologize for the crudeness of my MSPaint drawing, but please view my diagram of what I'd like to accomplish: Proposed home network architecture Currently, all devices are connected to 1 wireless router. I would like to make my own subnet, with a box in-between my subnet and the shared wireless router, so that I can learn about IDS, traffic analysis, etc. I was also given a cisco PIX firewall to play around with, and it'd be an added bonus if I could incorporate that into my network. The reason for this proposed architecture is so that I can monitor all MY traffic, without seeing anything going on with my roommates' traffic. my MAIN Question is, is it possible to have my desktop connect to the wireless router with internet via wireless card AND share that connection via the ethernet card, hooked to wireless router 2? cable modem - wireless router - desktop pc connected wirelessly - wireless router 2 getting internet from wired connection to desktop pc - laptops connected wirelessly The PIX can be left out for now, but I'm wondering if it could eventually be incorporated? THANKS!

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• Altq limits not being applied to UDP transfers

  - by overkordbaever

  I have a OpenBSD server acting as a router/firewall with yhr packet filter ruleset shown below, a linux server, and a linux client. When transferring files (using netcat) by TCP, the limits are applied (for example the 100mbit limit in the example), though when transferring data by UDP, the limits aren't applied; the file always takes the same amount of time no matter the queue bandwidth limit I set (I can even turn off the queues completely, and will still get the same result). Why aren't the queuing rules applied to UDP packages? The rules used: #queue rules altq on { $int_if, $ext_if } cbq bandwidth 100Mb queue { def, low } queue def bandwidth 0Mb cbq(default) queue low bandwidth 100Mb cbq #Passrules test pass out quick from $int_if to $ext_if queue low pass in quick from $ext_if to $int_if queue low pass out quick from $ext_if to $int_if queue low pass in quick from $int_if to $ext_if queue low I suppose this may be related a question I've previously asked, though since it's more of a separate question, I suppose a separate question should be used for this

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• AXFR problem using gradwell secondary DNS

  - by Roaders

  Hi All I use Gradwell.com to provide secondary DNS but I keep getting e-mails along the lines of the following saying that it's not working: You have asked us to provide a secondary DNS service for the following domain(s) Unfortunately, the primary DNS server(s) you specified are not permitting the necessary zone transfers from our servers, or they are not answering "SOA" queries for your domain correctly. I have gone through the support procedure and they weren't that helpful. They have suggested the following: Our secondline team have suggested setting the AXFR to use anouther machine. This will ensure that the transfer is not locked down to one machine and should allow any machine to make the request I don't really know what AFXR is and I only have 1 production machine so I can't set the AFXR to use another one! In previous support correspondence we confirmed that I am allowing transfers to the correct IP and that I have the correct ports open on the firewall. I am running Windows Server 2003. What can I do to try and get these zone transfers working? Thanks

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• Timeouts when connecting to SQL Server since installing SP1 for Windows 7

  - by Julien

  Hi, I just installed SP1 for windows 7 and I have severe performance degradation when connecting to SQL Server 2005 since then. Establishing connection takes more than 30 seconds while it's instantaneous on another computer. Firewall is disabled and I didn't make any change to the configuration. It happens both when trying to connect with a hostname and with an ip address. Everything else seems to be fine (for instance, I'm have no issue connecting to other computers with remote desktop) What can cause such a problem? Thanks in advance! Edit : uninstalling the SP1 solves the issue instantly.

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• Unable to connect guest using VMWare Player

  - by eLAN

  I'm running RedHat server 5.3 as guest on Window XP VMware palyer. the network setting is set to "Host Only", but I have tries all other settings. I'm able to ping the guest machine, but I'm unable to connect it in any other way including webserver, Tomcat, Telnet, ssh. all of the services above are working from within the guest (using localhost). Guest firewall and SELinux are disabled. any idea on what I should check next? every idea will be appreciated... thnaks Ilan

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• Speed up file access on home network

  - by kurasa

  I have 2 PCs (Windows 7 Ultimate) and a Mac running Windows 7 using vmware fusion on my home network tied together using WRN1000 NETGEAR Router On one of the PC's I have a set of file (MYOB .myo). These use a data source to access the data in the files. Operations (reading,writing) to the .myo on the PC which hosts the files is fine but the other 2 it is painfully slow/unreliable and I am wondering what I can do to speed this up. Some ideas I have are 1. Turn off the Windows firewall on all the windows installations on the home network 2. Buy another router. Specifically a router which I can connect a USB flash drive on the back where I can put the .myo files and all the PC can access the files from the USB flash drive on the router (does this speed things up?) Any advice greatly appreciated on how I can speed up this access to data

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• Apache does not serve non-locally

  - by yodaj007

  I have a freshly installed instance of Fedora Core 16 inside VirtualBox using bridged networking. On it, as root I typed in: yum -y install httpd service httpd start ifconfig Inside the VM, I can open a web browser to 'localhost' and I get the Apache test page. It works. But in Windows (the machine hosting the VM), I point my browser to the IP address returned by ifconfig (192.168.2.122). The connection times out. I can go to a command prompt and ping the VM. Is there a firewall or something that comes with Fedora by default? Or is there something I need to change in a config file?

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• What's required to enable communication between two IP ranges located behind one switch?

  - by Eric3

  Within our co-located networking closet, we have control over two ranges of 254 addresses, e.g. 64.123.45.0/24 and 65.234.56.0/24. The problem is, if a host has only one IP address, or a block of addresses in only one range, it can't contact any of the addresses in the other subnet. All of our hosts use our hosting provider's respective gateway, e.g. 64.123.45.1 or 65.234.56.1 A host on the 64.123.45.0/24 range can contact the 65.234.56.1 gateway and vice-versa Everything in our closet is connected to an HP ProCurve 2810 (a Layer 2-only switch), which connects through a Juniper NetScreen-25 firewall to the outside world What can I do to enable communication between the two ranges? Is there some settings I can change, or do I need better networking equipment?

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