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  • Is there a way to detect which port on an ethernet switch a device is connected to?

    - by banno
    Since the wall jack is typically always connected to the same port on the switch I would like to be able to know which device is connected at a specific location. In my case I am talking about printers. I have code to go out on the network and find the IP Address of all of my printers, but would like to be able to update a server based on a printer being swapped out of a location for maintenance or repair. Is there a method for determining a port connection?

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  • Hard drive restore on reboot on windows embedded

    - by sav
    My company has an old out of service device with windows embedded on it that we want to re purpose. Any changes to the drive (SD Card with 2 partitions), (ie: installed software, ip address, system settings, files) are reset/deleted when we reboot the device. We can successfully make changes to the drive by plugging it into a PC, but that has its limitations and we would like to be able to use our device. Can anyone tell us more about the technology used for doing this and how/if we can disable it?

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  • Does NAT change the source MAC address?

    - by user44073
    I'm trying to secure my home network but don't really need the complexity of a VPN so I'm trying to figure out other options. I'd like to allow my iPhone remote access to my home servers but I can't depend on the IP address because it changes quite often (due to the 3G network, etc). Can I filter incoming connections on my router (pfsense) by MAC address or does NAT change the source as it's passing through the different routers on the internet?

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  • Postfix $smtpd_banner rules

    - by horen
    For monitoring purposes I would like to add the IP address to the Postfix smtpd_banner: smtpd_banner = $myhostname ESMTP $smtp_bind_address which works and outputs: 220 mail.mydomain.com ESMTP 123.456.789.0 Now I am wondering if there are any (negative) repercussions to expect. I couldn't find anything about it in the RFC docs. The Postfix docs add another parameter ($mail_name) in their example, so I think I am fine. I just want to verify that my syntax is correct and is allowed.

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  • Access a remote active directory

    - by theXs
    I'm currently trying to query a remote Active Directory on a Windows Server 2008 R2. However, I'm not able to query the directory if I enter the following string in the cmd line: dsquery user -name m* -s ip:389 -u -p Furthermore, I tried to access the directory with: ldap://: but it didn't work either. I received the following error message: The server is not operational. Is there an option with which I can enable the remote access of an Active Directory?

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  • Multiple computers in SBS domain that need a Remote Desktop Connection with a sub domain

    - by Mark
    Hi all, I've been searching the internet for a while for this answer. I have a bunch of computers that are part of a small business server domain and would like to be able to connect to each one individually with remote desktop connection using a subdomain, like: computer1.mydomain.org computer2.mydomain.org etc... I can currently connect to the server easily using an A record with the subdomain pointing to the static IP address with home.mydomain.org, so computer1.home.mydomain.org would also be cool. Thanks!

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  • Make a temp network.

    - by giodamelio
    I have a XAMPP test server running on my Windows Vista laptop. I also have a small wireless router. I would like be able to create a small temp network that could broadcast that network so any other computers connected to the wifi can go to localhost/ or an internal ip address and view my server. The router will not be able to be connected to the internet, but I don't see how that would make a difference Thanks giodamelio

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  • Restricting download limit in Squid

    - by Supratik
    Hi I wanted to restrict the download limit in the Squid proxy so I added the following two lines in the squid.conf. acl officelan dst 192.168.1.0/24 reply_body_max_size 30000000 deny officelan Now, I want to allow some/particular IP to download more than 30MB limitation so I included another acl as alowedip and included the following lines but this is not working. acl allowedip dst 192.168.1.81 reply_body_max_size 0 allow allowedip How do I allow acl allowedip to have unlimited download ? Warm Regards Supratik

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  • URL not responding on OS X, fine on other machine

    - by Rory Fitzpatrick
    For some reason I can't access anything on python.org. nslookup resolves the IP address, but no browser or curl command will fetch anything. It works fine on a VMWare Ubuntu virtual machine and on a Windows machine on the same network. I've checked there's nothing funny in /etc/hosts I don't know where else to go looking for issues, can anyone suggest anything? Running OS X 10.5 Leopard

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  • Per Sender Traffic Limit on Cisco 6500

    - by user71557
    Hi All, I have a 6509 with ~1000 user machines in different vlans, I want to allow 10 server machines to send as much as they can/want but to limit all client machines from all subnets to have a sedning rate limit of 1mbps with no receiving limitation. It is worth noting that all my ip addresses are assigned using a DCHP server and there are 1000 of them so I can not write ACLs for every address seperately. Can any one provide some kind of help please?

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  • How to Export/Transfer DHCP data ?

    - by sreevatsa
    We have a very old server HP ML110 its giving hardware ( Power )trouble and we are hosting DHCP services on this on windows 2000 . Now i would like to transfer all the DHCP data ( it has reserved IP ) from this old server to a new server which is win2003 . How do i do ?

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  • is VPN client working one way ?

    - by user56839
    I have centos server and installed the VPN client(cisco-vpnclient) and able to connect to the server on the other side using private address and the server on the other side pingable using the private address . The question But the other side can not connect to my server using private address such as: when the other side try to ping my server using the private ip do not get any response. is VPN client working one way ( just send the data to VPN server and do not receive the data) ?

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  • openvpn restriction

    - by zubin71
    hi, ive set up an openvpn server at my place and handed out a certificate to a client who has an openvpn client at his place. however i require that he should be able to connect to the vpn server only from one ip(his current one). how can i do this?

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  • Windows 2003 routing by port

    - by vansickle
    I have remote Windows 2003 server with two network interfaces e.g. Cn1 and Cn2. I need that all traffic goes through Cn1 except for one port (for me it's 3389, rdp for administration) that works over Cn2. Currently when I setup all connections work through Cn1, I completely lose connection over Cn2 - and can't connect to server via RDP over Cn2. Now I used static routing based on my ip address (which can changed - so it's bad).

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  • New to networking had to reinstall xp what does blank in Default Gateway mean?

    - by waterfallraini
    I have reinstalled windows xp and posted about not being able to connect to the Interenet. I did go and ensure all drivers are there and now when I type ipconfig/all I get physical address, dhcp enabled, autoconfiguration enabled, autoconfiguration Ip address, subnet mask and then a line that says default gateway where default gateway is the only line with no numbers or anything next to it. My wireless connection works but how can I get this ethernet connection to work. This was working prior to this fresh reinstall.

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  • Tcp Port Open by Unknown Service

    - by Singularity
    Running openSUSE 11.2 x86_64. Here's what a nmap of my IP provides: PORT STATE SERVICE 23/tcp open telnet 80/tcp open http 2800/tcp open unknown 8008/tcp open http I would like to know How to view What service is causing Port 2800 to be opened? A few search engine results led me to believe that it is supposedly a port opened by a Trojan called "Theef". If it is indeed a Trojan, what can be done to weed it out? Is my desktop's security compromised?

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