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  • How can I tell who owns what IP addresses?

    Is there a method to tell who owns what IP addresses? I would like to know who owns a IP range that keeps showing up in my firewall logs. Can I pin point it to a company or just to the ISP like I am doing currently?

    Karl Gechlik9,860 pointsBadges:
  • Blocking spam IP addresses

    I run a forum and have a problem with spammers attempting to join. We are a local forum and don't have any users that are more then about 200 miles away. I can block IP addresses individually but would like to do so in groups. example- a user tries to join from 123.123.123.123 and I reject because...

    Camlov35 pointsBadges:
  • Change of address

    Can I keep the same telephone number when I change address? If not, can there be an alert diverting the call to the assigned new number?

    bigal30015 pointsBadges:
  • Switch IP

    How can I check my IP address for switch?

    khurramalikhanasad10 pointsBadges:
  • IPv6 and IPv4 addresses on the same network

    How can I have IPv6 and IPv4 addresses co-existing on my network allowing them to talk to each other even though most clients only have one or the other?

    TeachMeIT975 pointsBadges:
  • Major differences in IPv4 and IPv6

    What are the major differences in supporting IPv6 over IPv4? What will we have to do to make our servers/networks compatible?

    NewnanIT1,110 pointsBadges:
  • ISP IP versus Anonymous IP

    For example if I am a Wireless Internet Service Provider and I have own IP for my subscribers. If a subscriber connect first using the wireless dongle (Ex. Huawei or ZTE) and my server open the port and connect it using our standard IP address. The subscriber now opens a Tunneling software like...

    Possiblesolution15 pointsBadges:
  • IPv4 addressing for a new network lab

    i work as a network assistant for a research lab in a large company. The research lab includes six computers for which central computing services have located the address space 172.16.1.0/29.i know plan to add 10 new computers to the research network.company policy states that each network is...

    Oluwethu20 pointsBadges:
  • similar IP address

    I want to know if an email sent from the following IP address, could have been sent from the system as any of other 4 emails, having similar IP addresses. If yes, pls help in estimating which one is closest. IP in query: 122.164.28.180 other IPs: 122.164.27.136 122.164.25.198 122.164.168.171...

    Prajj515 pointsBadges:
  • Network IP Problem

    We have two Windows XP computers on the same network. One with an IP address of 10.xxx.xxx.120, second one with an IP address of 10.xxx.xxx.121.  When the 120 unit is on the internet, the other unit can not get on. When the 121 unit is on it stops the 120 unit from get out. We have 50 other...

    Ron210615 pointsBadges:
  • What subnet mask should I use on my IP range?

    What subnet mask should I use on my IP range if I only need 100 IP addresses? Is 255.255.255.0 still ok?

    Troubleshooter24755 pointsBadges:
  • Client not doing ping by name to server

    one desktop system is doing ping to server by ip address but not doing by server name then how to sort out this bug from desktop sytem?

    Yogender270 pointsBadges:
  • Show IP ARP command for tracking IP addresses running on Cisco switches

    What is the command to enable show ip arp | in [strong]IP Adress [/strong]OR [strong]Mac Address[/strong]  so that i can trace IP Addresses running on my switches

    Ekansh400 pointsBadges:
  • Do routers change packet IP info at each hop?

    I'm taking classes for CCNA certification and think my professor may be wrong about this... She says that at each hop, the router strips the source and destination IP and updates it to reflect its IP as the source and the next router's to be the destination. But it seems to me that if that's the...

    TJEnger5 pointsBadges:
  • Redundancy and load balancing on my Dell server

    My Dell server has two nics. Can I program them to have two different IP addresses on the same network for redundancy and load balancing?

    Troubleshooter24755 pointsBadges:
  • Spamming

    There is 1 ip because of that spamming is generated so what can i do to resolv the problem.

    Agt45 pointsBadges:
  • Obtaining IP address in Xen

    After finally got XEN working, the part I've been struggling the most with is finding a way to get XM to report the IP address of the virtual machine it started up. The VM was in DHCP mode. I'm guessing I could find this out using dhcpd logs (by looking up the mac address), but I'm not sure if...

    ITKE350,945 pointsBadges:
  • Assigning IP address through policies

    For one of the small businesses I support, I have set up an Rsync backup from their office server to one of the managers home laptops. I did a couple of trial runs but on the first real run which was over a weekend, the backup failed. I went to retry it but could not connect to the laptop. When I...

    OwenAmbrose1,930 pointsBadges:
  • DHCP IP Address allocation in Server 2003

    In Windows server 2003, assume a connection session is in place and the remote  host's IP is assigned by a DCHP server.  What would happen if the DHCP server  wants to assign a new IP to the remote host? Will the connection end? or, Will the server wait till the connection is gracefully ended by...

    ITKE350,945 pointsBadges:
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