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• How to prevent wifi router from broadcasting multiple ssids?

  - by user1092288

  I have the following Wi-Fi router: http://www.beetel.in/business-solutions/international-business/adsl/450-four-port-wifi-modem And I am also posting screen shots of ISP settings (from 192.168.1.1). Problem is, my Wi-Fi router is broadcasting multiple SSIDs (even the SSIDs which I used in the past and aren't entered in settings at present). How do I resolve this to broadcast single SSID? I have already tried factory settings restore. SSID1 Settings SSID2 Settings SSID2 Settings- greyed-out, unable to change anything

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• using tcpdump to display XML API requests without headers or ack packets

  - by Carmageddon

  I need assistance, I am trying to use tcpdump in order to capture API requests and responses between two servers, so far I have the following command: tcpdump -iany -tpnAXs0 host xxx.xxx.xxx.xxx and port 6666 My problem is, that the output is still hard to read, because it sends the Headers, and the ack packets. I would like to remove those and only see the XML bodies. I tried to use grep -v, but apparently this is all one request, so it filters the entire thing... Thanks!

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• open-xen-manger configuration error

  - by user113505

  I have installed open xen manager on ubuntu 10.04 for managing XEN running on other machine,but when i add server and click connect through port 80 its showing < ProtocolError for 192.168.2.13:80/RPC2: 404 Not Found also i am getting following in the web server access log of remote machine 192.168.2.8 - - [05/Jun/2012:21:29:32 +0530] "POST /RPC2 HTTP/1.0" 404 483 "-" "xmlrpclib.py/1.0.1 (by www.pythonware.com)" can anyone help me in this

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• Timout dead connections to Digi PortServer TS16

  - by MT

  We are using Digi portservers for console management of our routers. Basically users telnet to the Digis on ports 2001-2016 (corresponding to the physical serial port they want to connect to). Does anyone know if there is a way to cause the digi to close/release a user's connection after an period of idle time and if possible, where that time can be specified?

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• How to implement a simple mail server using postfix and dovecot?

  - by liuxingruo

  I have followed the tutorial(exactly) http://wiki.centos.org/HowTos/postfix but I can't telnet my server's 25 port, I have no idea about this issue, so why? Thanks

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• Out of nowhere, ssh_exchange_identification: Connection closed by remote hot me too

  - by dgerman

  See similar: Out of nowhere, ssh_exchange_identification: Connection closed by remote host Today, 6/19/12 attempting to ssh to the same host as usual ssh replied ssh_exchange_identification: Connection closed by remote host two additional attempts failed ssh -v $RWS OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration data /etc/ssh_config debug1: Applying options for * debug1: Connecting to Real-World-Systems.com [174.127.119.33] port 22. debug1: Connection established. debug1: identity file /Users/dgerman/.ssh/id_rsa type 1 debug1: identity file /Users/dgerman/.ssh/id_rsa-cert type -1 debug1: identity file /Users/dgerman/.ssh/id_dsa type -1 debug1: identity file /Users/dgerman/.ssh/id_dsa-cert type -1 ssh_exchange_identification: Connection closed by remote host ping host was successful, ftp host was successful, ssh now successful, ssh -v $RWS OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration data /etc/ssh_config debug1: Applying options for * debug1: Connecting to Real-World-Systems.com [174.127.119.33] port 22. debug1: Connection established. debug1: identity file /Users/dgerman/.ssh/id_rsa type 1 debug1: identity file /Users/dgerman/.ssh/id_rsa-cert type -1 debug1: identity file /Users/dgerman/.ssh/id_dsa type -1 debug1: identity file /Users/dgerman/.ssh/id_dsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3 debug1: match: OpenSSH_4.3 pat OpenSSH_4* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.6 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'real-world-systems.com' is known and matches the RSA host key. debug1: Found key in /Users/dgerman/.ssh/known_hosts:5 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,gssapi-with-mic,password debug1: Next authentication method: publickey debug1: Offering RSA public key: /Users/dgerman/.ssh/id_rsa debug1: Authentications that can continue: publickey,gssapi-with-mic,password debug1: Trying private key: /Users/dgerman/.ssh/id_dsa debug1: Next authentication method: password ++++ What gives?? +++++++++++ Mac OS X 10.4.7 , OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011, /Users/dgerman/.ssh > ls -la total 24 drwx------ 7 dgerman staff 238 Jun 19 15:46 . drwxr-xr-x 389 dgerman staff 13226 Jun 19 15:46 .. -rw------- 1 dgerman staff 1766 Feb 26 18:25 id_rsa -rw-r--r-- 1 dgerman staff 400 Feb 26 18:25 id_rsa.pub -rw-r--r-- 1 dgerman staff 67 Feb 26 18:27 keyfingerprint -rw-r--r-- 1 dgerman staff 6215 May 1 08:11 known_hosts -rw-r--r-- 1 dgerman staff 220 Feb 26 18:26 randomart

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• Nginx: Maintenance page and localhost access

  - by ian.evans

  As I prepare to test some changes, I thought I'd set up a maintenance page block so I could do the testing. Just realized though that the maintenance block examples for nginx take the site down for everyone. How do you serve the maintenance page to visitors will still allowing localhost access. Should I just create a new server block listening on another port and deny all, allow 127.0.0.1?

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• How to generate UDP packet

  - by lydonchandra

  Hi, I want to generate UDP packet to test a program, something equivalent to using telnet to test TCP port (Can telnet generate UDP packet?) How can I do this? Many thanks

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• windows server 2003 cannot accept connections

  - by Seb

  Hi everyone, I am running a Windows Server 2003 OS and am noticing that no one is able to connect to the machine through Remote Desktop. I have gone through the Terminal Services Configuration to make sure that we had the RDP-Tcp connection enabled and I've checked to see that the server was listening to port 3389. Are there any other options since I've tried to ping into our host server with no results. Thanks in advance.

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• As a small business about to overhaul infrastructure and go virtual, how can we take advantage of all the features of the QNAP TS-439 Pro II+?

  - by Sally

  Specifically, how can we benefit from these current list of features? We're very new to this and I want to be able to talk intelligently to our IT consultant. VMware Ready Citrix Ready Built-in iSCSI target service Virtual Disk Drive (via iSCSI Initiator) Remote Replication Multi-LUN per Target LUN Mapping & LUN Masking Support SPC-3 Persistent Reservation Support What other products should we compare this QNAP to? I appreciate how informative the site is, but they only seem to sell their products through a small number of channels. Is QNAP well known? TIA!

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• ssh tunnel via multiple hops

  - by Mala

  Tunneling data over ssh is pretty straight-forward: ssh -D9999 [email protected] sets up port 9999 on your localhost as a tunnel to foreignhost.com, but I have more specific need: I am working locally on localhost host1 is accessible to localhost host2 only accepts connections from host1 I need to create a tunnel from localhost to host2 Effectively I want to create a "multi-hop" ssh tunnel. How can I do this? Ideally, I'd like to do this without needing to be superuser on any of the machines.

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• Invoke command with IP address as Target server does not works at all

  - by Praveen

  Please see the following command and with Trusted Hosts enabled, this does not work: Invoke-Command -ComputerName <IP address> -port 5985 -Credential (New-Object System.Management.Automation.PSCredential ('Domain\User', (ConvertTo-SecureString 'passwd' -AsPlainText -Force))) -Authentication CredSSP -ScriptBlock {Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010;Get-Mailbox} This works well when Computername is a hostname. The IP address does not works at all

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• Dead laptop screen rewired to external only right from boot-up?

  - by Wesley

  I have a Compaq CQ50-215CA laptop and after a year and 5 months, the screen is completely distorted now. I plan on removing the screen soon, but I realize that the BIOS screen, OS select and Vista boot sequence are all displayed on the laptop screen rather than the external display. Is there some way to get the laptop to display everything (From boot-up to shutdown) on an external display (VGA port)?

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• NGinx Domain name redirects

  - by Srikar

  Lets say I have a website named xyz.co, I also have other domain names with the same prefix like xyz.com, xyz.it, xyz.co.it Right now nginx works fine with server_name xyz.co in nginx.conf in port 80 I would want all the other domains to redirect to xyz.co also I would want www.* versions of the above to redirect to xyz.co. How can I get this? Is this nginx webserver level changes? or I need to make this changes in DNS?

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• ISS7 authentication doesn't work on servername

  - by nLL

  Not sure if I put correct title but here is my problem: Local (home network) IIS 7, default web site bind to any IP on port 81, Anonymous Auth disabled, Windows Auth enabled If I go to 192.168.1.101:81/ I get asked for username and password. If I go to server:81/ nothing is being asked regardless whether connecting from local or another machine on the network. Why is that? Am I doing something wrong?

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• How to configure DD-WRT routing table when creating an isolated network segment for PCI C VT compliance

  - by tetranz

  I'm the volunteer support and system admin person at a small private school. We need to setup a PCI compliant Windows PC as a virtual terminal for credit card processing. I've read questionnaire SAQ C-VT and, to quote, this computer needs to be accessed: "via a computer that is isolated in a single location, and is not connected to other locations or systems within your environment (this can be achieved via a firewall or network segmentation to isolate the computer from other systems)" Our setup is as follows: DSL modem from ISP is setup to be a "transparent pipe" with no extra services. That goes into the WAN port of Linksys WRT54-GL running a DD-WRT. The LAN is 192.168.1.x. There are a couple of other WRT54-GL / DD-WRT devices. One is used as a wireless AP and another is a client bridge. To isolate the VT (virtual terminal) machine, I have another DD-WRT device. Its WAN is connected to a port on the 192.168.1.x LAN. The virtual terminal machine is connected to its LAN which is at 192.168.10.x. The SPI Firewall etc is turned on. It's basically the default DD-WRT gateway setup where the "ISP" is our own LAN. That's working. All incoming traffic to the VT machine is blocked, including from our own LAN. The VT can access the internet BUT, and here's the problem, it can also ping any of the computers on the 192.168.1.x LAN. I think I need to stop that. I'm guessing that I could do something with the Static Routing table in the VT machine's DD-WRT device. I need to route anything going to 192.168.1.x other than the gateway which is 192.168.1.1 to 0.0.0.0 or something like that. That's where I'm stuck at the end of my knowledge. Or ... do I need to get yet another DD-WRT so the network is "balanced". Maybe I need to have the internet from the DSL going into a DD-WRT which has only two devices on its LAN i.e., two other DD-WRTs, one for the main LAN and one for the VT. I think that would do but I'd like to avoid the extra cost and complexity if I don't need it. Thanks

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• Recomended home ADSL wireless routers

  - by beakersoft

  I'm going to buy a new ADSL wireles broadband router, but i'm not sure what might be a good one. I want it to have some form of QOS on it, and SNMP support so i can see my port usage over MRGT. I've looked at various models but they all seem to have conflicting reviews, i am looking at something along the lines of the Dlink DSL-2740R but any suggestions would be much apreciated

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• AdvancedFirewall: Adding a Program to the Inbound Rules

  - by bvanderw

  I am writing an application that contains a web server running on port 50000. On Windows 7, short of turning the firewall off completely, I am having trouble configuring the firewall to allow other computers on the same private LAN to connect to the server. Simply adding the program to the allowed programs list doesn't seem to work. The network connection is set to be a "Home" network (but I am not using Home Networking). Can anyone suggest where I should be looking to troubleshoot this? Bruce

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• Add separate domain name to Wordpress admin area with htaccess

  - by Marc

  I have a Wordpress installation in a seperate folder on my server (meaning it is not in the root folder). I have a htaccess rewrite rule that maps Domain A to folder A. Inside folder A is the Wordpress admin folder, let's call it folder A.B. I tried mapping Domain B to folder A.B., but I can't get it to work properly. When you log in to Wordpress via /admin, you get redirected to /wp-login.php (so from folder A.B. to folder A), maybe that is where I get into trouble. So what I would like to do is this: Domain A folder A Domain B folder A.B Note that this is not for security purposes, I just like the idea of www.domainb.com instead of www.domaina.com/wp-admin. Can this be done with Wordpress?

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• ssh connectivity issue

  - by achal tomar

  I have a CentOS 5.5 server hosted in a remote data center. I usually access this server from a Red Hat Enterprise Linux 5 server using the ssh command. Now my organization has implemented a proxy server, this is not allowing me to connect to the VPS server. I see the following error using the command root@<ip address>:-: ssh: connect to host <ip address> PORT 22: connection refused. Can anybody help me with this issue?

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• Why is the VGA Cable attached to new monitors

  - by ahsteele

  When opening a new monitor I am amazed that the VGA cable is always attached. Even with new high end monitors that include Display Port and DVI cables the old VGA cable is always attached while the others are just left in the box. What is the reasoning behind attaching a cable in the first place and why the VGA cable in particular?

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• OpenSuse 11.2 USB issue

  - by sameerinfodb

  hi, I just installed the openSuse 11.2 , but i insert my pen drive to usb port it is not getting recognised and mounted, I used following the command to prob the OS lsusb = no results lshal |grep usb = not result

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• Are EC2 security group changes effective immediately for running instances?

  - by Jonik

  I have an EC2 instance running, and it belongs to a security group. If I add a new allowed connection to that security group through AWS Management Console, should that change be effective immediately? Or perhaps only after restart of the instance? In my case, I'm trying to allow access to PostgreSQL's default port (tcp 5432 5432 0.0.0.0/0), and I'm not sure if it's the EC2 firewall or PostgreSQL's settings that are refusing the connection.

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• sub domains with /etc/hosts and apache for gitorious

  - by QLands

  I managed to have a local install of Gitorious. Now I need to finalize the apache integration using a virtual server but nothing seems to work. See for example my /etc/hosts file: 127.0.0.1 localhost 172.26.17.70 darkstar.ilri.org darkstar 172.26.17.70 git.darkstar.ilri.org My vhosts.conf has the following entries: # # Use name-based virtual hosting. # NameVirtualHost *:80 <VirtualHost *:80> <Directory /srv/httpd/htdocs> Options Indexes FollowSymLinks ExecCGI AllowOverride None Order allow,deny Allow from all </Directory> ServerName darkstar.ilri.org DocumentRoot /srv/httpd/htdocs ErrorLog /var/log/httpd/error_log AddHandler cgi-script .cgi </VirtualHost> <VirtualHost *:80> <Directory /srv/httpd/git.darkstar.ilri.org/gitorious/public> Options FollowSymLinks ExecCGI AllowOverride None Order allow,deny Allow from All </Directory> AddHandler cgi-script .cgi DocumentRoot /srv/httpd/git.darkstar.ilri.org/gitorious/public ServerName git.darkstar.ilri.org ErrorLog /var/www/git.darkstar.ilri.org/log/error.log CustomLog /var/www/git.darkstar.ilri.org/log/access.log combined AddOutputFilterByType DEFLATE text/html text/plain text/xml text/javascript text/css application/x-javascript BrowserMatch ^Mozilla/4 gzip-only-text/html BrowserMatch ^Mozilla/4\.0[678] no-gzip BrowserMatch \bMSIE !no-gzip !gzip-only-text/html <FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|js|css|swf)$"> ExpiresActive On ExpiresDefault "access plus 1 year" </FilesMatch> FileETag None RewriteEngine On RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f RewriteCond %{SCRIPT_FILENAME} !maintenance.html RewriteRule ^.*$ /system/maintenance.html [L] </VirtualHost> Now, when I go with Firefox to darkstar.ilri.org it shows the default Apache screen: "It works!". but when I go to git.darkstar.ilri.org it waits for few seconds then falls to darkstar.ilri.org and the default apache page. No error is reported. If I run httpd -S I get: VirtualHost configuration: wildcard NameVirtualHosts and _default_ servers: *:80 is a NameVirtualHost default server darkstar.ilri.org (/etc/httpd/extra/httpd-vhosts.conf:21) port 80 namevhost darkstar.ilri.org (/etc/httpd/extra/httpd-vhosts.conf:21) port 80 namevhost git.darkstar.ilri.org (/etc/httpd/extra/httpd-vhosts.conf:37) Syntax OK The funny thing is that if I configure gotirious in a host called gitrepository, add 127.0.0.1 gitrepository and go with Firefox to gitrepository.. Gitorious works... But why not with git.darkstar.ilri.org? Many thanks in advance.

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• Do certain usb ports work better on my IBM T60?

  - by Xavierjazz

  Hi. I am using a Microsoft wireless phone ear piece and I have had the receiver plugged into the USB port on the Left Hand side. I have been getting intermittent success with the signal. I have recently tried plugging it in to one of the ports on the top Right Hand side, and it seems that I am getting a better signal. Is there a difference between the ports? Thanks.

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