The IP (internet protocol) is a protocol for transmitting data over packets ("datagrams"). It is the primary protocol of the Internet. "IP" may also refer to an IP address, the numerical address assigned to an IP-capable device.

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If you connect directly to your modem how does the IP address get assigned?

From my understanding your ISP will assign (sometimes dynamically) an IP address to your router. (Or is it assigned to the modem? [I'm starting to think it is.]) If it is assigned to the router, ...
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1answer
113 views

Fail to connect to Jabber with external IP

I set up my own encrypted Jabber chat. I use prosody for this. When I use localhost or the internal IP address, I get connected without problems. But whenever I use my dynamic but up-to-date, external ...
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3answers
636 views

Source Address / Source Port vs Destination Address / Destination Port

I am new to TCP/IP and trying hard to learn basics. Well, I really wonder about inbound rules and outbound rules of Firewall and concept of source adress:port, destination adress:port. For example I ...
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1answer
52 views

Remote IP on a local device

What I want to achieve is to be able to have one of the IP addresses from a remote server on a local server (raspberry pi). Right now the network map would look like this: RPi (192.168.0.42) ---> ...
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2answers
668 views

Getting strange IP Address from router

I've had a router set up for quite some time and it has been working perfectly. My wife called me to tell me the wireless internet wasn't working and when I came home I saw that my phone was connected ...
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1answer
351 views

what are some possible reasons why my company's DNS server sometimes fails to resolve the host name of some of my VM's?

I'm in charge of a group of VMs that are used by members of the group that I belong to for accessing web apps, web services, build servers, and stuff of that nature. IT is in charge of the DNS ...
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1answer
33 views

how to access a range of public IPs only through a VPN?

For security reasons, I am not supposed to access an otherwise public IP range unless a VPN is up. However, if my VPN is down, my system routes to the IP anyway, which is a breach of my obligations. ...
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1answer
154 views

Router Setup requires my IP Address, DNS Server, and Gateway?

So I am used to setting up a new router being nearly a plug and play affair. This time however my new Rosewill L600N router refuses to give me access to the internet. I ran their auto-setup wizard to ...
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1answer
224 views

Who is responsible for proper routing ? T-Mobile is using my IP address

I have an odd problem and I'm not entirely sure who, if anyone, is responsible for getting it fixed. Here is my situation: I have rented a dedicated server from Hetzner. They have provided a server ...
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0answers
48 views

Over VPN IP/USB sharing Linux

I have one issue I don't know if this are possible but so i explain you and i hope to can find a great result of this. I have a server in the cloud so and on my home i have a scanner/Printer over IP. ...
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0answers
74 views

Finding IPs covered by Subnets in an Excel document

So I have a giant excel document that contains a list of IPs, but there are also entrys that have subnets. So for example, I might see "IP" "/16" and the first two octets would be the first two ...
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1answer
35 views

DNS resolution of static IPs at Router level [duplicate]

I currently have a few static IPs set in my router and I'm wondering if there is any way that i can access/ping/refer to them via a DNS request (i.e. instead of 192.168.0.8 use something like ...
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7answers
6k views

IP address that is the equivalent of /dev/null

Is there an IP address that would result in any packet sent to be ignored (blackholed)? I know I can always set up a router with an IP address and then just have it ignore all packets sent to it, but ...
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0answers
105 views

Best ip configuration for unique dual router setup

current setup routerA--------------PTP dish link---------------routerB unique wan ip/internet unique wan ip/internet ...
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0answers
436 views

Why won't my DHCP addresses “stick”?

I've been having some addressing issues that I've been unable to solve, and I'm hoping I can get some guidance about other things to research. Service provider is Time Warner cable. A static IP is ...
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1answer
52 views

routing table, ip address for outgoing packet

Network Destination Netmask Gateway Interface 0.0.0.0 0.0.0.0 192.168.2.1 192.168.2.8 ...
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1answer
216 views

Hama m360 Wireless IP Cam Setup Nightmare

I have set up IP Cams before, although it has been a while. Recently a friend of mine wants me to help him set up a Hama m360 IP Camera. I have read the instruction for so many times I could even ...
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0answers
58 views

Adding an IP block into VMWare Esxi

I have a dedicated server with VMWare Exsi 5.5 installed and I have recently bought another /29 from my colo provider. They have set things up so that it works this way: Original: Network: 1.2.3.1 ...
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2answers
188 views

Why nic with incorrect subnet mask can still ping the gate way?

At first, my network config was like this: $ ip a 2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 3c:97:0e:bd:b1:68 brd ff:ff:ff:ff:ff:ff ...
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1answer
64 views

Log IP address obtained by DHCP Server-Ubuntu Desktop

Would there be a way I could write a script that records the dhcp IP's that the computer running Ubuntu obtains everytime it obtains a new IP?
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2answers
196 views

bash script tells me when new computer joins LAN via smbclient

I'm thinking of creating a script that loops until it finds a new IP on the Network created by the router DHCP Server. I am thinking of using NMAP. nmap 192.168.0.1-254 However I am wondering how I ...
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1answer
76 views

Set IP Address based on User Name

So I have a script from my old XP installation that sets the IP address based on what the username is. Here is the script: 'Get Username set objNetwork = wscript.CreateObject("wscritp.network") ...
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0answers
33 views

Easy: Why does `network` command keep looking for an old router?

What am I missing in this manual dhcp configuration? I'm using CentOS 6. From Redhat's page I've setup a manual configured dhcp client: The /etc/sysconfig/network file should contain the ...
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2answers
270 views

How to make my computer think an IP is somewhere else

I have a local app which code I do not own and tries to directly connect to some IP, let's say 123.45.67.890. For testing purposes, I would like to re-route that connection to somewhere else, another ...
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1answer
127 views

Rapidly changing public IP address causes issues with site login and server connection

Since I changed my ISP, I have had issues logging into sites (e.g. StackExchange), MMORPGs and connecting to SMTP servers. I did some research and it turns out that my public IP address is changing ...
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2answers
29 views

Old Public IP has past owners DNS name

I have a new IPv4 address and every DNS Resolver site tells me that my DNS name is toponscapital.com. What can I do to at least change this?
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2answers
562 views

Who owned 192.168.x.x IP address?

I am confused about the meaning of 192.168.x.x (private network). In DSL bridge mode, my computer has been assigned an IP as part of ISP's private network such as 36.82.x.x. It also can connect to ...
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1answer
62 views

Show pc with static IP on dynamic IP router

I have a router with dynamic DHCP where I created some fixed addresses for some things I want to use with dyndns. The problem is, that I have a pc/server which does not support DHCP/dynamic IP, so I ...
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1answer
435 views

External IP redirects to router page [duplicate]

I'm having a small problem here. I'm running wampserver and I'm trying to access it externally so I could use it as a webserver for others to view my projects using my external IP I forwarded the ...
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1answer
48 views

Make an IP forward to a directory on local machine

I would like to setup a forward, where I open my web browser, type in an address such as: http://helpdocs and it direct me to a folder on my computer with a HTML file in it, such as in a website. I ...
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1answer
117 views

Resetting gone wrong

I have reset my linksys router, and now my internet is horribly slow. please check details from command prompt below and tell me what's wrong. Thanks. Microsoft Windows [Version 6.1.7601] ...
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1answer
40 views

In an IP filter, where does the IP I'm trying to block goes: source or destination?

I'm trying to block a certain site/ip-address (http://122.160.230.125:8080/vta/redirectedPage.do) from opening. I figure (?) that if I could put 122.160.230.125 in my router IP Filter settings I ...
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2answers
44 views

Configuring an IP address to my domain

Sorry this may be a basic question. I have a domain name onebyinfinity.co.nz and I want it to point to an ip address 203.124.98.229. I have set the A record in my DNS Server to 203.124.98.229. ...
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2answers
44 views

How to ssh inside a local netwrok using an external IP?

I can only ssh locally. I tried to ssh from my laptop in an external network but I wasn't able to do that. So I went home and did some troubleshooting. Now I want to ssh from my local network to that ...
0
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1answer
472 views

My domain name is doubled in dns on my centos 6.5 vm guest. server.mydomain.com.mydomain.com

my centos guest is set up as follows. It gets its IP address from DHCP. [marathon@server ~]$ domainname mydomain.com [marathon@server ~]$ hostname server [marathon@server ~]$ more ...
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2answers
110 views

Two routers for two subnets

I have the following configuration: my laptop connected to router #1 (ASUS RT-N66U, let call him R1) using wireless connection. Laptop's IPv4 address is 192.168.1.143 (DHCP allocated) (LAN options on ...
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1answer
39 views

How to set up host name for a new domain to point to home server?

I am trying to set up a Host Name for a domain so that it points to my home server but I am confused about instructions at go daddy.com. If my domain is mydomain.me and my external ip address is ...
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0answers
31 views

Why do I experience latency to certain IP's

This one has me stumped. I read a lot and ask very few questions. I usually have 2 or 3 SSH sessions at any given time. Monitoring applications, working on server configs that type of daily grind. ...
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0answers
50 views

Can't reach viamichelin / Easynet related websites

it's all my IP range who is concerned. I found someone who contacted easynet for me. I think i can't do nothing more now than waiting... Thanks. "I discover a few day ago that i can’t access any ...
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2answers
53 views

How to view masked IP adress and port?

In my friends work place there is normally a broadband network and they PC's connect through Router and there is one website like this <10.1.1.7:9095> and i really wanna figure out what this ...
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1answer
965 views

How to assign a static IP address to my VMWare machine?

I currently have two VMWare Fusion VMs setup on my development machine. The first one (Windows Server 2003) has a static IP address, and I am using my hosts file to direct certain URLs to it. I would ...
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2answers
78 views

My IP address continuously changes on my mobile phone [closed]

My IP address continuously changes as I go from one place to another on my mobile phone. So say for example in Cape Town it is 123.456.7890 But for example in Johannesburg it is 111.222.3333 ...
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0answers
264 views

How to find the last IP used for an expired domain name?

Is it possible to look up the last IP address of an expired domain name?
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0answers
87 views

how to proxy to a VPN connected server with local services running?

I'm having trouble accessing services that are running on my Linux Box from outside the local network. The setup is not as simple as most tutorials describe so I'm a bit stuck. My Linux Box (running ...
0
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1answer
43 views

Can port number get masked like IP?

I have one IP address which looks like this 10.0.0.1:9095 and as far as I know HTTP can only use port 80. How is this masked URL working?
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1answer
72 views

Remote Desktop IP conflict

We have several outside users who connect to our server using the external IP. Everything has been configured correctly and it has worked for several years. Two days ago we had a test firewall (new ...
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1answer
69 views

How to make static IP address dynamic

My ISP gave me static IP Address. Is there a way that I can make this static IP Address dynamic? Perhaps using either proxy or any other application?
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0answers
24 views

Check if internet connection is providing a dynamic or static IP in OSX [duplicate]

Is there a way to check if my internet connection is with a dynamic or static IP? I'm running OSX.
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2answers
68 views

How can I get multiple IPs for a single PC? [closed]

Please guide me how can I get multiple IP's on a single computer. I am using Windows 7. My old IP is blocked at a website and I am looking for a new IP for it. Thanks in advance.
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1answer
49 views

What is the Discard Protocol actually used for?

What is the Discard protocol used for?