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• SQL Server Instance login issue

  - by reallyJim

  I've just brought up a new installation of SQL Server 2008. I installed the default instance as well as one named instance. I'm having a problem connecting to the named instance from anywhere besides the server itself with any user besides 'sa'. I am running in mixed mode. I have a login/user that has a known username. Using that user/login, I can properly connect when directly on the server. When I attempt to login from anywhere else, I recieve a "Login failed for user ''", with Error 18456. In the log file in the server, I see a reason that doesn't seem to help: "Reason: Could not find a login matching the name provided.". However, that user/login DOES exist, as I can use it locally. There are no further details about the error. Where can I start to find something to help me with this? I've tried deleting and recreating the user, as well as just creating a new one from scratch--same result, locally fine, remotely an error. EDIT: Partially Resolved. I'm now passed the base issue--the clients were trying to connect via the default instance. I don't know why. So, once proper ports were opened in the firewall, and a static port assigned to the named instance, I can now connect--BUT ONLY if I specify the connection as Server,Port. SQLBrowser is apparently not helping/working in this case. I've verified it IS running, and done a stop/restart after my config changes, but no difference yet.

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• Cannot access host from a virtualbox guest using bridged adapter

  - by David Dai

  I have a windows 7 host with firewall turned off. And I have a windowsXP guest running on Virtualbox 4.2.4r81684. In my windowsXP guest I tried to connect to the FTP server on my host machine(which used to work well) but it didn't work. I tried to ping my host machine, but it didn't work either. Then I tried to ping my guest from host, it worked well. my guest ip is :192.168.1.95 my host ip is : 192.168.1.9 route table on guest machine is this: C:\Documents and Settings\wenlong>route PRINT =========================================================================== Interface List 0x1 ........................... MS TCP Loopback interface 0x2 ...08 00 27 66 54 6c ...... AMD PCNET Family PCI Ethernet Adapter #2 - Packe t Scheduler Miniport =========================================================================== =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.1.1 192.168.1.95 20 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 192.168.1.0 255.255.255.0 192.168.1.95 192.168.1.95 20 192.168.1.95 255.255.255.255 127.0.0.1 127.0.0.1 20 192.168.1.255 255.255.255.255 192.168.1.95 192.168.1.95 20 224.0.0.0 240.0.0.0 192.168.1.95 192.168.1.95 20 255.255.255.255 255.255.255.255 192.168.1.95 192.168.1.95 1 Default Gateway: 192.168.1.1 =========================================================================== Persistent Routes: None arp cache is this: C:\Documents and Settings\wenlong>arp -a Interface: 192.168.1.95 --- 0x2 Internet Address Physical Address Type 192.168.1.1 00-26-f2-60-3c-04 dynamic 192.168.1.9 90-e6-ba-c2-90-2f dynamic It's strange because there was no problem days before and I didn't make any changes to the setting. could anybody help? PS. the guest can communicate with other machines in the LAN(for example 192.168.1.114) ok. it just cannot connect to the host machine.

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• 0 connected nodes in datastax opscenter

  - by gansbrest

  Installed opscenterd on the separate node outside of the cluster, but within firewall ( aws security group ). Tested all possible ports between agents and opcenter server. No errors in the log.. 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Initializing event storage. 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Attempting to load all persisted alert rules 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Done loading persisted alert rules 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Done initializing event storage. 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Done loading persisted scheduled job descriptions 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: OpsCenter starting up. 2013-10-30 01:07:23+0000 [] INFO: Finished starting new cluster services for FC_Cluster 2013-10-30 01:08:04+0000 [FC_Cluster] INFO: Agent for ip 10.34.10.185 is version u'3.2.2' 2013-10-30 01:08:04+0000 [FC_Cluster] INFO: Agent for ip 10.32.37.251 is version u'3.2.2' 2013-10-30 01:08:04+0000 [FC_Cluster] INFO: Agent for ip 10.82.226.252 is version u'3.2.2' The most interesting part that I can see some data in the opscenter UI, when I stop agents, there is no data displayed, when I start - it show up again, but at the same time it shows 0 connected nodes. Storage capacity is even funnier - 3 of 0 nodes.. Any ideas why that could be happening?

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• Remote Desktop access Windows 7 system from Windows 8

  - by Prabhat

  I have 2 systems; Windows 7 & Windows 8. Both are connected to WiFi router. They have been assigned address 192.168.2.8 & 192.168.2.9 respectively. I have added them to home group. I am able to ping and connect Windows 8 system from Windows 7. I am having trouble connecting Windows 7 system from Windows 8 system. I can't even ping Windows 7 system. Windows 7 system's user is administrator (default administrator account from secpol.msc). File sharing, Remote Access, network discovery are all enabled. Someone please help me connect. EDIT : I found that this is the issue of Kaspersky Internet Security 2012. If I disable firewall, it works. I tried opening port 3389 in Kaspersky. It is still blocking access.

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• What to do before connecting Ubuntu Server to the internet for the first time?

  - by CodeMonkey

  I just finished installing Ubuntu Server 12.10 on an Asus Eee PC 1000H (to be used as a home server/sandbox) from USB. I installed this software during installation: OpenSSH server LAMP server Samba file server Virtual Machine host I won't use 2, 3 or 4 for a while though. Can/should I turn these off somehow? I have turned home directory encryption on. Security updates are installed automatically. I have chosen a strong password for the single user. I have never plugged in the internet cable so far. Before doing so I'd like to ask: What can/should I do/install to increase security before connecting to the internet? Firewall? Fail2ban? Users/Passwords? Encryption? Enable/Disable functionality? etc. I'm sorry if you get this question a lot. I've searched around quite a while, but it still feels like I might overlook something important.

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• Issue resolving names on Hyper-V guest with Routing and Remote Access

  - by John Sheehan

  I've got a Win2k8 standard server running Hyper-V with a Server 2003 web guest instance running. The host is publicly available on the internet. I've created an Internal Private network in the Hyper-V Virtual Network manager. I've set the host IP for that virtual adapter to 192.168.0.1. I've set the IP on the guest to 192.168.0.2. They can ping each other and share files. I can't browse the web on the guest though. NSLOOKUPs are working. I've tried setting the DNS server setting on the guest to 192.168.0.1 and something external like Google's 8.8.8.8 server to no avail. Windows firewall is disabled on the internal virtual network. I've tried it with both DNS installed on the host and without it. I'm not sure which RRAS/NAT settings are relevant to pass on so ask if you need me to clarify anything. How do I get outbound internet working on the guest VM?

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• samba4 dc "network location cannot be reached"

  - by mitchell babies peters

  to clear the air centos 6.4? (maybe 6.3) as the server, running samba 4.0.10, trying to add a windows 7 client that has connectivity to the server. this is what windows shouts as me as it mocks my dependence on network infrastructure. "the network location cannot be reached." i have access to the domain contoller (dc) im using the dc as the domain name server (dns) already, and the name is correctly resolving, and it is correctly forwarding outbound traffic. i have nothing but self taught experience with active directory(ad) so if i am missing something obvious, please shout it out, but keep the verbal abuse to a minimum. i checked samba4DC + my error and found nothing relevant to my issue, if i missed something please point me in that direction. the weekend is just starting as i write this so i probably wont be back on to check this post for a day or three, but i might because this mystery is killing me. i followed the samba4 as a dc guide here and i supplimented gaps with this i have tested kerberos, ntp, and set my DC as the clock to sync to in my windows client and it appears to be a very small fraction of a second off so that shouldn't be it. also, firewall and selinux are both off for testing. i have also tried disabling ipv6, and cleared the registry of ipv6 records (allegedly the default samba4 as a DC runs as windows server 2003 which allegedly does not support or tolerate the existence of ipv6, fair warning, i heard this on the internet so it is probably a lie) i have tried a few other things that i have forgotten because i have been doing this for a day and a half now. ideas welcome. suggestions for alternatives are also welcome, as long as they are free. i was given a budget of $0 dollars and told to implement active directory (no prior knowledge of active directory at that point).

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• How can I get WAMP and a domain name to work on a non-standard port?

  - by David Murdoch

  I have read countless articles on setting up a domain on WAMP to listen on a port other than 80; none of them are working. I've got Windows Server 2008 (Standard) with IIS 7 installed and running on port 80 (and 443). I've got WAMP installed with the following configuration. Listen 81 ServerName sub.example.com:81 DocumentRoot "C:/Path/To/www" <Directory "C:/Path/To/www"> Options All MultiViews AllowOverride All # onlineoffline tag - don't remove Order Allow,Deny Allow from all </Directory> localhost:81 works with the above configuration but sub.example.com:81 does not. Just to make sure my firewall wasn't getting in the way I have disabled it completely. My sub.example.com domain is already pointing to my server and works on IIS on port 80. Also, if I disable IIS and change the Apache port from 81 to 80 it works. Yes, I am restarting Apache after each httpd.conf change. :-) I don't need any other domain (or sub domains [I don't even care about localhost]) configured which is why I'm not using a VirtualHost. Any ideas what is going on here? What could I be doing wrong? Update Changing Listen to 80 but keeping ServerName as sub.example.com:81 causes navigation to sub.example.com:80 to work; this just doesn't seem right to me. Could ServerName be ignoring the :port part somehow? netstat -a -n | find "TCP": >netstat -a -n | find "TCP" TCP 0.0.0.0:81 0.0.0.0:0 LISTENING TCP 0.0.0.0:135 0.0.0.0:0 LISTENING TCP 0.0.0.0:445 0.0.0.0:0 LISTENING TCP 0.0.0.0:912 0.0.0.0:0 LISTENING ... TCP 127.0.0.1:81 127.0.0.1:49709 TIME_WAIT ...

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• Prevent Network Printers Automatically being added to 'Devices and Printers' in Windows 7

  - by Ben

  I think my question is a duplicate of this one, but the original question was never properly answered (the steps described are for Windows XP). I am aware of the option to "Turn off Network Discovery" (under Control Panel All Control Panel Items Network and Sharing Center Advanced sharing settings); I set this option (for both Home/Work and Private) but it doesn't seem to stop the printers getting added, and has the side effect of preventing me from browsing the list of machines on the network (which I need). I've tried the Windows XP registry option - but it doesn't seem to make any difference: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\NoNetCrawling I find it annoying having the printer list cluttered with printers from all over the office which I am never going to use (especially since lots of them no longer physically exist, users just haven't deleted them from their machines). This must be a real problem for people in massive offices with large numbers of printers - but I can't seem to find a lot of people complaining about it - which makes me think I'm missing something obvious. I don't really want to hack the firewall or turn off sharing completely, I still want to select and use network printers and file shares. Any ideas?

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• Failed to mount to nfs server with "Program not Registered"

  - by Farrel

  I'm trying to setup nfs server on Fedora 17 and I'm getting "Program not Registered" error when I'm trying to mount. I guess the main reason for this is rpcbind. I'm a newbie in linux, so I don't know what info should I provide you with. Here is some info that might be useful. rpcinfo -p program vers proto port service 100000 4 tcp 111 portmapper 100000 3 tcp 111 portmapper 100000 2 tcp 111 portmapper 100000 4 udp 111 portmapper 100000 3 udp 111 portmapper 100000 2 udp 111 portmapper 100005 1 udp 20048 mountd 100005 1 tcp 20048 mountd 100005 2 udp 20048 mountd 100005 2 tcp 20048 mountd 100005 3 udp 20048 mountd 100005 3 tcp 20048 mountd 100024 1 udp 42223 status 100024 1 tcp 50054 status cat /etc/exports /home/Farrel/prog 192.168.xxx.xxx (ro,sync) service nfs status Redirecting to /bin/systemctl status nfs.service nfs-server.service - NFS Server Loaded: loaded (/usr/lib/systemd/system/nfs-server.service; enabled) Active: active (exited) since Fri, 02 Nov 2012 09:29:04 +0300; 5min ago Process: 924 ExecStartPost=/usr/lib/nfs-utils/scripts/nfs-server.postconfig (code=exited, status=0/SUCCESS) Process: 909 ExecStart=/usr/sbin/rpc.nfsd $RPCNFSDARGS ${RPCNFSDCOUNT} (code=exited, status=0/SUCCESS) Process: 885 ExecStartPre=/usr/sbin/exportfs -r (code=exited, status=0/SUCCESS) Process: 864 ExecStartPre=/usr/lib/nfs-utils/scripts/nfs-server.preconfig (code=exited, status=0/SUCCESS) CGroup: name=systemd:/system/nfs-server.service Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable. Firewall is disabled on both systems. I spent a lot of time reading on the topic but all manuals on setting up nfs server lead to "Program not Registered" error. Any how-to-fix-it ideas?

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• Change the number of consecutive frequent ssh login before temporary blocking the user login

  - by Kenneth

  my server currently would temporarily refuse a user to login for certain amount of time (maybe ~20min) if the user consecutively frequent ssh login for 3 times. Can I change this behaviour (say relaxed the definition of frequent maybe from 'within 5 sec' to 'within 10 sec'; or increase the # of consecutive login from 3 to 5)? Thanks. Added: Ah.. now I think the problem was not with the ssh. I just tried on another newly installed server. consecutive successful login won't block the user. I have no sudo permission on the server I mentioned above. Now I suspect this behaviour may cause by the firewall in the system. Thanks everyone's comments. ADDED 2: Ah... after some searches. I think the server is using /sbin/iptables to do it as I can see the iptables program is there even though I don't have permission to list the rules. Thanks everyone, special thank to jaume and Mark!

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• SFTP only works occasionally

  - by 82din

  I suddenly get this error using SFTP: Status: Connecting to example.com... Response: fzSftp started Command: open "[email protected]" 22 Command: Pass: ********* Status: Connected to example.com Status: Retrieving directory listing... Command: pwd Response: Current directory is: "/root" Command: ls Status: Listing directory /root Error: Connection timed out Error: Failed to retrieve directory listing I tried using FileZila, Cyberduck, Shell (Terminal), same result. However, it worked fine today (just a few seconds) in Passive mode. I guess something changed in my network, so I have tried both: Active and Passive mode: Connecting to probe.filezilla-project.org Response: 220 FZ router and firewall tester ready USER FileZilla Response: 331 Give any password. PASS 3.6.0.2 Response: 230 logged on. Checking for correct external IP address Retrieving external IP address from http://checkip.dyndns.org:8245/ Checking for correct external IP address IP <external IP> big-bf-ccc-f Response: 200 OK PREP 49565 Response: 200 Using port 49565, data token 380352881 PORT 186,15,222,5,193,157 Response: 200 PORT command successful LIST Response: 150 opening data connection Response: 503 Failure of data connection. Server sent unexpected reply. Connection closed Because I'm working behind a router, I get my external IP from http://checkip.dyndns.org:8245/ I also tested different range of ports.

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• Apache 403 Forbidden Error when accessing local web server using local IP address

  - by amjo324

  I have an odd problem when attempting to browse to pages stored on a local web server (Apache 2.2). The pages are served as expected when I browse to localhost or 127.0.0.1 on port 80. Yet when I attempt to browse to the same pages by referencing the local IP address (192.168.x.x), I receive a HTTP 403 (Forbidden) error. In essence, http://localhost:80 works but 192.168.x.x:80 doesn't even though I'm specifying the IP of the local machine. You may be thinking "who cares? just use localhost". However, this is the first step in troubleshooting why I cannot remotely access these pages from different hosts on my LAN. I'm presuming this can't be a firewall issue as I'm only connecting to the local machine. Even so, I verified there was no iptables rules that could be having an effect. I've checked the Apache error logs and the corresponding line of relevance is: [Sat Oct 19 07:38:35 2013] [error] [client 192.168.x.x] client denied by server configuration: /var/www/ I've inspected most of the apache config files and they don't appear to differ from what you would expect with a default install. I can't see anything in apache2.conf that would be a problem and httpd.conf is an empty file. This is an excerpt from /etc/apache2/sites-enabled/000-default: <VirtualHost *:80> ServerAdmin webmaster@localhost DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> Any insight as to where I can look next to find a solution ? Thanks in advance.

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• Xen networking is inconsistent in multiple ways

  - by WildVelociraptor

  I've been running xen for a few weeks now on an Ubuntu 12.04 server. I've got 3 guests: a Windows Server 2003 guest, an Ubuntu guest, and a Windows 7 Guest. My Server 2003 guest seems to work fine; I can ping it from the network, the hostname resolves correctly, and it can see the internet. This guest is attached to xenbr0, and its IP is 10.100.1.21. My Win7 guest is what is driving me crazy. I use the same configuration script as a base, changing the important parts (hostname and boot disk, mainly). It installed correctly, and is currently running, but I am unable to ping this guest. It's hostname is "alexander", with an IP of 10.100.1.22. It is also using xenbr0. The guest can ping the firewall and various IP addressess, but seems unable to resolve hostnames. Now heres the weird part: when I use rdesktop (RDP client) from my laptop (not the xen host) to connect to alexander, it works just fine. It apparently resolves the hostname fine, and does the same with the IP address. So, can someone tell me why I can access this guest using RDP, but not using ping, nslookup, traceroute, etc? It's apparently invisible to all but RDP. Also, is it okay to use two guests on the same bridge, or do i need different ones for each guest? Thanks in advance for any help. Regards

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• Problem linking two Cisco routers with a static route

  - by Chris Kaczor

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

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• Hardening non-root standalone Linux Tomcat install

  - by NoozNooz42

  I want to know if you have any tips as to how to strengthen the security of a non-root install of Tomcat in standalone mode once Tomcat is already installed in a non-root account, in standalone mode. I precise this because, for example, I'm not at all interested by the answers given here (because both Java and Tomcat requires root priviledges there to be installed and I've got zero interest in running jsvc): http://serverfault.com/questions/43765 So far, here's what I've done for my non-root standalone Tomcat 6 install: download and install the JRE .bin provided by Oracle/Sun (no need to be root here) (no need for a full JDK anymore right seen that Jasper [Tomcat's JSP engine] has its own compiler now right?) download and tar -xzf tomcat 6 (no need to be root here) set up transparent port-forwarding (must be root here) Note that my distribution is a Debian one and I have exactly zero interest in downloading Debian package / backports / whatever... Because, once again, I DO NOT want to need to be root to install Java & Tomcat. The only moment I needed to be root was to configure the firewall to transparently do the port forwarding 80 <-- 8080 and 443 <-- 8443. I then deleted all the default webapps but one: cd ~/apache-tomcat-6.0.26/webapps rm -rf docs rm -rf examples/ rm -rf manager/ rm -rf ROOT/ What about the directory ~/apache-tomcat-6.0.26/webapps/host-manager, do I need it or can I delete it? So, once I've installed Tomcat standalone in a non-root account (and taken into account that I don't want to enter the root password anymore and that I don't plan to install the whole Apache shebang), what more can I do? Are there connectors I can disable? (how?)

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• Connecting to server from remote machine

  - by Jannat Arora

  I wish to connect my machine to a server in some other city. For doing the same I am using the following command: mstsc -v ip_address_of_server remote desktop can't connect to remote computer for one of these reasons: 1) Remote access to server is not enabled. 2) Remote computer is turned off 3) Remote computer is not available on network. Make sure remote computer is turned on and connected to the network, and that remote access is enabled. As per previous posts I need to turn off my client computers firewall..which I have...but still it gives me the same message. Can someone please please help me out...so as to how i may resolve this?? I am really new to networking, etc. Also when i am pinging: ping ip_address_of server I am getting the following response: Reply from ip_address_of_server: destination host unreachable Also I did try on ubuntu with rdesktop...still its not been able to connect with it. Also i know there are other people who are able to connect their machines with the server remotely. So i guess its not working for me only. Also when I accessed the same machine through LAN I was able to do so.

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• IIS FTP error: 426 Connection closed; transfer aborted.

  - by Jiaoziren

  Hi, I have an IIS FTP set up on Windows 2003 SP2 (S1). Everyday in the early morning, a script on another server (S2) will run and initiate FTP transfer of pulling log files from S1 to S2. The FTP client we're using is built-in FTP.exe in Windows 2000 on S2. Recently we replaced S1 with a new server however we kept the IP address. There are multiple IP addresses on new S1. Ever since the new S1 was in place, the '426 Connection closed; transfer aborted.' errors haven been occuring randomly. The log indicated that the transfer started ok however the file cannot be transferred completely, as per log below: mget access*.log 200 Type set to A. 200 PORT command successful. 150 Opening ASCII mode data connection for access02232010.log(205777167 bytes). 426 Connection closed; transfer aborted. ftp: 20454832 bytes received in 283.95Seconds 72.04Kbytes/sec. The firewall monitor suggested that the connection was setup in passive mode however I've been told that MS FTP.exe doesn't support passive mode. Though I can see the response of 'entering passive mode' from server when typing in 'quote pasv'. My network admin has told me to try the transfer in active mode however I don't know how to open active mode on client side. It's getting really frustrating. Wish someone here has the right knowledge/experience could shed me a light. Cheers.

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• DPM server 2010 Attach agent error : administrator privileges missing?

  - by Michael

  Hello, I’m hoping you would be able to help me out with this little problem I’m having. I installed DPM 2010 in our test environment to test backups on Exchange 2010 servers. The environment includes : 1xDC 2x Exchange Server 2010 1x DPM 2010 server All of these are running on Microsoft server 2008 R2 Virtual machines. The host machines are using Hyper-v. So the problem goes like this : 1- I tried to install the agents from the DPM server GUI, which failed saying I didn’t have the correct permissions. 2- So then I tried the manual installation using the commands from : the Microsoft site http://technet.microsoft.com/en-us/library/bb870935.aspx 3- The agent installation worked but when I get to attaching the agents to the DPM server it still gives me the error saying that the specified account does not have administrator rights. 4- I tried the Domain admin, users who are domain admin + local admin, single local admins. 5- I have turned off the windows firewall and made sure all the services are running. So now I’m out of ideas and really need help, the agent attach to the DPM server is the last thing that is holding me back from deploying everything to the production site. Any help would be really appreciated.

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• Mac Security - Which one?

  - by Bob Rivers

  Hi, Recently I had my credit card cloned. A few hours after shopping at an online store (in which I trust and buy since 2006) I received a call from my bank asking if I recognize a $5,000 debt to a store(?!) called Church of Christ... I'm a Mac user (OS X 10.6.3). I always kept my system updated and I have firewall enabled (in my Mac and in my broadband router), but I decided to adopt some kind of protection. I don't want to rise passionate discussions. Real or not, snake oil or not, I need to have back my peace of mind... I read this and this posts. I selected two software that I think that could help me (both have more features other than just an antivirus). Does someone have feedback about Intego's VirusBarrier X6 or Trendmicro's Smart Surfing? Intego solutions seems to be better, but TrendMicro brand/name is stronger in corporate environment, so their solution should be good. Both solutions have 30 day free trial, but I would like to hear something from you. Any other solution that I should look? TIA, Bob

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• Debian Linux bridging router intermittently dropping packets [migrated]

  - by nomen

  My old Asus router died a few weeks ago, so I thought I'd set up my Debian box to deal with routing my home network. I have a few complications, but I adapted my configuration from a previously working configuration, and I don't see why I am having intermittent problems. But I am having them! Every so often, my SSH connections to the router (and to the Xen virtual machines hosted by the router) just drop. I am unable to use the router's dns server. I can't ping the router. Etc. (I can provide more details, but I'm not sure what will be helpful) /etc/network/interfaces: # The loopback network interface auto lo iface lo inet loopback # Gigabit ethernet, internal network auto eth0 allow-hotplug eth0 iface eth0 inet manual # USB ethernet, internet auto eth1 allow-hotplug eth1 iface eth1 inet dhcp # Xen Bridge auto xlan0 iface xlan0 inet static bridge_ports eth0 address 10.47.94.1 netmask 255.255.255.0 As I understand it, this is sufficient to create the network interfaces, and even do some switching between Xen hosts and my eth0 interface. I installed and configured Shorewall to manage routing: /etc/shorewall/zones fw firewall net ipv4 lan ipv4 /etc/shorewall/interfaces net eth1 detect dhcp,tcpflags,nosmurfs,routefilter,logmartians lan xlan0 detect dhcp,tcpflags,nosmurfs,routefilter,logmartians,routeback,bridge /etc/shorewall/policy net all DROP info fw net ACCEPT info all all REJECT info /etc/shorewall/rules DNS(ACCEPT) fw net DNS(ACCEPT) lan fw ... and so on, these all work, when the router is accepting traffic at all. /etc/shorewall/masq eth1 10.47.94.0/24 Can anybody help?

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• With WebMatrix, How do I Connect to a MySQL Database on a Colleague's Machine?

  - by Ash Clarke

  I have scoured Google trying to discover how to do this, but essentially I want to connect to a colleague's MySQL database for working together on a Wordpress installation. I am having no luck and keep getting an error about the connection not being possible: Unable to connect to any of the specified MySQL hosts. MySql.Data.MySqlClient.MySqlException (0x80004005): Unable to connect to any of the specified MySQL hosts. at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver() at MySql.Data.MySqlClient.MySqlPool.GetConnection() at MySql.Data.MySqlClient.MySqlConnection.Open() at Microsoft.WebMatrix.DatabaseManager.MySqlDatabase.MySqlDatabaseProvider.TestConnection(String connectionString) at Microsoft.WebMatrix.DatabaseManager.IisDbManagerModuleService.TestConnection(DatabaseConnection databaseConnection, String configPathState) at Microsoft.WebMatrix.DatabaseManager.Client.ClientConnection.Test(ManagementConfigurationPath configPath) at Microsoft.WebMatrix.DatabaseManager.Client.DatabaseHierarchyInfo.EnsureLoaded() The connection details are copied from my colleague's connection string, with the exception of the server being modified to match the IP address of his machine. I'm not sure if there is a firewall port I have to open or a configuration file I have to modify, but I'm not having much luck so far. (There is a strong chance that, by default, web matrix / iis express doesn't set the mysql database it creates to accept remote connections. If anyone knows how to change this, that would be grand!) Anyone have any ideas?

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• Exchange 2003 IMAP not working for some users

  - by John Gardeniers

  We normally don't have a need for IMAP connections from outside the company network but in order to allow a one user to use IMAP on a portable device I've turned it on and opened port 993 on the firewall. When the user in question was unable to get connected I tested this using Outlook remotely. Start by creating a new IMAP account in Outlook using a test account. No problems, it worked perfectly. Now try the same thing using the account of the user who actually needs to connect and it's a no-go. Outlook simply keeps prompting for logon credentials. Next I tried using my own account and that too failed. Testing with a couple of other accounts worked perfectly. Interestingly enough, with my own account I've used IMAP on a MAC before (internally) without a problem and I'm not aware of anything that has changed which could affect IMAP on my account. Checking the user settings in ADUC showed that all accounts have the same Exchange protocol settings. Specifically, IMAP is enabled. A check of the event logs on the server reveals no entries for the connection attempts, making this kind of difficult to debug. Has anyone here encountered such a situation and, even more importantly, what caused it?

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• samba share not on network after upgrading to Ubuntu 12.04LTS. [migrated]

  - by Sylvain Huard

  I just upgraded an old Ubuntu box to 12.04LTS (machine named A-Ubuntu). This is an upgrade not a format re-install. All the accounts and config were preserved. The basic setup is a local network with 2 Ubuntu machines (let say A-Ubuntu, B-Ubuntu) and a MAC (C-MAC). Before the upgrade, all of them could see each other by their names not only the IP address. The local network has a D-Link Router where everybody is connected with RJ-45 wired etherenet (not wi-fi). Since the A-Ubuntu upgrade, we can't see this machine name on the Network and its name is not on machine list in the D-Link router anymore. We can see it's IP address only. I can't access A-Ubuntu from the other two by its name but I can ping it with its address (192.168.0.109). From A-Ubuntu, I can connect and see the shared samba folders on B-Ubuntu and C-MAC. But from B-Ubuntu and C-MAc, I can't connect to A-Ubuntu. Correct me if I'm wrong but this tells me that Samba should be fine and the real problem is that A-Ubuntu does not advertise its name on the Network so the D-Link does not have it in its table so nobody else finds it. After a lot of googling, I see that it is the job of avahi and mdns to do so. Those packages are running, I checked multiple config files for samba, avahi, mdns to see as if it is like the examples on the WEB and also similar to what I find on the working B-Ubuntu machine. This is the same. I did multiple service restart with samba, avahi, remove the firewall to make sure it does not block the hostname broadcast. I rebooted multiple time to make sure the update I was making were effective. Still, Can't see the A-Ubuntu name on the network. Any idea what it can be?, Where to look next?

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• Apache Reverse proxy for intranet and other integrated application on intranet

  - by user1433448

  I'm trying to configure a reverse proxy (ssl) with apache 2.2 in Debian Squeeze, but I have some problems, specially with some path absolute and with https I'll try to detail what I have made and what I'm trying to configure I have a server Debian Squeeze with apache2.2 + mod_proxy_html with: # apt-get install libapache2-mod-proxy-html libxml2-dev # a2enmod proxy # a2enmod proxy_http # a2enmod proxy_html # a2enmod headers After that I have configured a virtual host with: reverse_proxy_ssl.conf I'm trying to configure to allow access of our intranet from internet with a reverse proxy (apache that is located in DMZ). With this configuration domain.com/intranet works correctly and we can access to intranet, but we have one problem when from domain.com/intranet we need to use another internal application that is called from intranet with absolute path ( https://192.168.10.25/application/) and from internet appears that try to access with internal ip, and this link es incorrect from external site We only need to access from intranet to multiple internal application that are in external server and we like to restrict to minimal access from internet. All the application that are in the smae server of intranet are working. The second problem is with https and reverse proxy in our firewall appears some errors with packets (not valid packets), and with https seems to work. What can I do to solve this problems (absolute path and ssl problem) Thanks

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