IP address is a numerical label assigned to each device participating in a computer network that uses IP for communication.

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9 views

adding extra ip address with different port number

I am connected to a NAS system that it is set to static IP address 192.168.2.41 and the ports 80 and 443 of its static ip are reserved for the NAS configuration webpage. So if I insert ...
15
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2answers
1k views

Why is ARIN (etc.) allocating such large blocks of IPv6 addresses?

The whole issue of IPv4 depletion and waste seems to be finally getting behind us with the (somewhat) increased deployment of IPv6. The sole purpose of IPv6 was to solve the issue of IPv4 address ...
1
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2answers
608 views

Should an Azure VM have an Internal IP address of 100.x.x.x not 172.x.x.x or 10.x.x.x?

I have a Windows Azure host that has an internal IP address of 100.x.x.x. I would assume that this is conflicting with external hosts with the same net mask. Is there any assurance that I will not ...
2
votes
1answer
46 views

How to get local ip address associated with default gateway

There may be several network interfaces on a server, e.g., lo, eth0, eth1 From the route table, I know that eth0 is connected to the default gateway. The address of the default gateway, for example, ...
4
votes
1answer
20k views

How are cellphone IP addresses assigned?

When my cellphone accesses a website via the tower and its GPRS gateway, NAT ensures that the sites receive a public IP. Would all phones using a single tower have the same IP? If yes, then how can ...
2
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2answers
60 views

How to point multiple top domains to IP of another top domain?

Lets say I have top domain domain-X.com with DNS A record pointing it to IP 1.2.3.4 then I have domains, which I might not have control over, they belong to customers, which owns them and may ...
3
votes
4answers
2k views

How to bind a non-local IPv6 address?

Is there an equivalent of net.ipv4.ip_nonlocal_bind for ipv6 ? Need to start my nginx on boot on such an IP... My Ubuntu doesn't have this IPv6 assigned on eth0 quickly enough despite this ...
1
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1answer
920 views

LAN->LAN IP translation (for TortoiseSVN + Artifacts + Buffalo router)

Here's my scenario: I've got a VisualSVN server on my main dev box @ home. I'm also using Visual Studio 2010, TortoiseSVN, VisualSVN client (for source control), and Versioned 'Artifacts' (for bug ...
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1answer
21 views

connect to amazon server that allows only one ip address [closed]

I have an amazon server (AWS) with a security group that blocks all the ip addresses except mine. The problem is that I use my computer through different wifi hotspots so my ip address often changes. ...
2
votes
5answers
1k views

Why is this China IP hitting my web site?

I have a web site that uses a couple hundred domain aliases, including franchise-dallas.info, franchise-delaware.info, and detroitfranchise.info (see more below). I have been getting ten to twenty ...
1
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2answers
60 views

How To Assign Permenant Public IP to a VM in Azure, So Even If it Shuts Down and Boots Back Up It Does Not Lose Its IP?

I have read the Azure documentation which explains how to allocate a reserved IP, etc. Exactly what command do I need to run from Azure command prompt to do this to an existing VM?
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0answers
99 views

How can EC2 internal (10.X.X.X) IP addresses be mapped externally?

On our work internal network we've got a link to an Amazon domain. One of the servers we're talking to is: 10.29.112.X. Now this address starts with 10, so I expect it is an internally mapped ...
3
votes
3answers
687 views

How to detect bots programatically

we have a situation where we log visits and visitors on page hits and bots are clogging up our database. We can't use captcha or other techniques like that because this is before we even ask for ...
0
votes
0answers
37 views

How do I recover permissions after changing the LAN addresses of a network?

Server 2012 R2, SharePoint 2013, TFS 2013 update 4 I recently changed some hardware and the LAN addressing of my network. I went from 192.168.2.x to 192.168.3.x. After I did that, access to ...
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2answers
31 views

AWS create an alias for my EC2 instance IP

I'm not expert in anything related with networks. I've reasearched through Internet but I'm not able to get with the solution for what I need. It's simple. I've bought a domain in GoDaddy.com and ...
0
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0answers
43 views

why is ip address sometimes missing from Security audit log Source Network address for log on audit failures?

Most of the time when someone who is not authorized attempts to log on to my Windows 2008 R2 web server, an ip address is displayed. With the ip address, i can easily block the external host from ...
2
votes
2answers
758 views

Giving Virtual Machines in Xen their own IP Addresses

Installed Xen on a server at home, recently moved it to a data center. Worked fine with DHCP behind my router, with each virtual server and the dom0 getting its own IP address. At the data center, ...
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votes
0answers
28 views

Many lines with 3 asterisks in traceroute [closed]

I'm trying to troubleshoot a recent network problem of mine, whereas occasionally I cannot connect to some websites or it takes forever. I tried doing a traceroute today in order to learn more about ...
0
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1answer
36 views

Disable logging ip adress to access.log in lighttpd

I have my webserver configured with lighttpd/1.4.31. About 80% of all entries in lighttpd's /var/log/lighttpd/access.log consist of my own ip address. I would like to disable my ip address logging ...
1
vote
4answers
62 views

is it safe to change the RDP port?

My web server is in the U.S. and it is accessed from my home in Canada using Remote Desktop Connection, standard port. Unauthorized persons have tried to log in from many different countries, some ...
97
votes
4answers
99k views

What's the difference between ip address 0.0.0.0 and 127.0.0.1?

I do know that 127.0.0.1 ~ 127.255.255.254 are the loopback IP addresses for most modern operating systems and we could use these IP addresses to refer to our own computer. But what's 0.0.0.0? It ...
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votes
1answer
53 views

Configuring DNS server on Windows Server 2012 R2

I have successfully setup a DNS server on my local virtual machine and its running and I've mapped 2 public IP's with my domain name (****.com). I also created reverse lookup zones which basically map ...
0
votes
1answer
32 views

Does Google bill for the IP addresses that are bound to stopped VMs?

Any idea whether Google bills for IP that are attached to stopped VMs, and is it the same rate as for an unused IP? (which actually makes sense).
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0answers
51 views

Linux: Same static IP configured for all NICs

I am shipping some servers out to remote colo sites. I want to configure them so at the other end any port can be lit-up and the boxes will be good to go. I had originally been planning on bonding ...
0
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2answers
99 views

How to tell if someone is trying to use my IP Address?

I use a relatively low-cost host for my personal server, and occasionally I get a rash of downtime alerts. These are all from today. If my host were to ("accidentally") assign my IP to someone ...
1
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1answer
66 views

with windows remote desktop is it worth turning off TLS to block by IP address?

I have been assessing this software for securing our cloud server's RDP connection. The problem is, it requires you to use RDP encryption, without TLS. This is because with TLS the IP addresses are ...
0
votes
2answers
2k views

adding 2nd private IP on AWS EC2 instance

I am having problems adding a 2nd IP on AWS EC2 instance. I am running Ubuntu 14.04. I already tried this: a) Right clicked the instance and added a 'private IP' from the manage Private IP. b) ...
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0answers
15 views

Custom IPv6 stateless autoconfiguration suffix [duplicate]

When a router announces an IPv6 prefix via Router Advertisements, a host can use SLAAC to automatically derive the remaining bits from its MAC and use the combination as its globally routable IPv6 ...
0
votes
1answer
42 views

Unable to resolve IP Blacklisting with Spamhaus

I have a website which is currently assigned an IP 64.XXX etc from my hosting provider. This IP when looked up comes up clean with all Blacklist checks that I run. However, I am also being assigned an ...
9
votes
2answers
4k views

How IP addresses are mapped to Autonomous System Numbers?

How are IP addresses mapped to Autonomous System Numbers (ASNs)? Is there a reference database for it? Then how are these Autonomous Systems geographically located?
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3answers
2k views

how to resolve connection problem at network

i have this problem connection: Unable to complete network request to host "xx.xxx.xx.xxx". Failed to establish a connection. No route to host could not connect to DB can you tell me how to resolve ...
0
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1answer
111 views

Why are there many domain names resolving to IP like 8.8.8.8 and many other? [closed]

I have been wondering why are there many domain names assigning public address that already owned by other (apart from shared hosting/ip), for example hundreds or thousands domain names assigned (or ...
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2answers
3k views

Google IP Address Ranges for incoming SMTP [duplicate]

Essentially I'm answering my own question here, but want to provide this info to anyone else who might need it. I need all the valid IP address ranges for Google Apps mail servers. I'm configuring a ...
0
votes
0answers
67 views

How to enable my clients use a custom domain name

I want people to be able to use a custom domain name to access an application I have hosted on my server. From what I have read, people can do this by changing the A Record of their accounts to my IP ...
0
votes
2answers
211 views

I've changed ISP, now www access to my website is not working, but HTTP is

I've inherited a company's IT position, so I was not in on the original configuration. We have recently changed our ISP (several months ago). Our Domain is hosted by Network Solutions and their A ...
1
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0answers
43 views

Ban IP doesn't work with forwarding [closed]

I use à VPS like a bridge for an other server. I use apf-firewall and this file /etc/apf-firewall/preroute.rules for forward somme port one the other server. This is the end of the file: iptables ...
2
votes
3answers
129 views

Executing a software on another network interface?

I have created 3 virtual interface on a Linux system, using different IP address. I have a software doing requests to a server but it use the default interface, eth0. Is it possible to execute a ...
0
votes
1answer
101 views

How to eliminate Security Warning message on EC2 Instance wizard

I've set up the AWS Free Tier, and configured a Windows Server. I took the defaults pretty much. There was 1 security group it created with 3 security rules it provided by default, and I didn't ...
0
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1answer
67 views

SSL connection to server ip address

I have a server which equipment at remote locations on private networks connect to via the internet using SSL. An SSL Certificate for the domain name of the server is installed. I have a number of ...
5
votes
6answers
1k views

I have a Cisco Catalyst 2940 and want to connect to it via the network. How to find its IP address?

Since my computer has not serial port, the serial cable is of no help. Does the Catalyst 2940 acquire an address via DHCP? At least my DHCP server doesn't show any address which has been requested ...
3
votes
2answers
657 views

Weird Requests Being Sent to My Server [duplicate]

I have written a server in C# for windows and it works fine. A week back I setup a dynamic domain name with No-Ip.com and now my server serves pages at the address nabeel.ddns.net. I was viewing my ...
1
vote
1answer
123 views

Select source IP on windows server 2012 with multiple IPs on 1 NIC

I have searched a lot for a solution to this case but I couldn't find any. So, any help would be appreciated. I have a windows server 2012 with 1 NIC having 2 IPs bound to it 37.188.120.8 and ...
0
votes
1answer
66 views

calculate reserved ip address based on mac address

Is it possible to calculate ip address based on mac address for isc-dhcp server? For example: 'aa:aa:aa:aa:aa:x' => '10.10.10.x' I have following in dhcpd.conf: subnet 10.10.10.0 netmask ...
0
votes
2answers
71 views

Http Requests: how to identify a machine using multiple IP addresses

I have an http server. Is it possible to identify a machine, which is making http requests to my http server using different IP addresses? In other words, is it possible to identify a machine, by ...
21
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11answers
28k views

Windows Server 2008: specifying the default IP address when NIC has multiple addresses

I have a Windows Server which has ~10 IP addresses statically bound. The problem is I don't know how to specify the default IP address. Sometimes when I assign a new address to the NIC, the default ...
0
votes
1answer
118 views

how to change the ftp passive mode ip address for haproxy work as reserve proxy?

I have an ftp server in LAN, address is 192.168.1.11 I used haproxy is because lots of other service need it I put haproxy on my 192.168.1.1 the same machine of our soft-route(ubuntu 14.04) My ...
4
votes
2answers
722 views

How to obtain incoming ip address from virtualbox

I setup a http server (apache) under VB and forward the port from the host using the available tool in VB. My VB network is NAT connected with the host. However when doing this the access log of http ...
1
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1answer
359 views

DNS errors after changing nameservers for Cloudflare

I don't know if this is the right place for my question, but I have a problem with my DNS/nameservers after changing the nameservers. I'm not sure if it is a problem at my side or at my webhost. I ...
14
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17answers
47k views

Shell Command for Getting IP Address?

Is there a bash command to find the IP address for an Ubuntu box? I need to find the IP address so I can ssh into the machine later.
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votes
2answers
61 views

how to change the special port output source address?

I want to change the my datapackage from port 25 to another internal address(192.168.2.253). iptables -A OUTPUT -o em1 -p tcp --dport 25 -j SNAT --to 192.168.2.253 But I get the output is: ...