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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50 views

How to determine remote PC network address? [closed]

Let's say I have two PCs connected with ethernet cable. No NAT, VPN, routers ... nothing, just one cable with two PCs connected to both ends. For example PC1 could have an IP 192.168.1.1/24 (actually ...
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0answers
33 views

Methods to find IP Address?

I'm currently exploring methods of recon and discovery on my Metasploitable 2 and Kali Linux VM environment. I've worked with nmap scans which is great if you are connected to a specific network and ...
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1answer
1k 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 ...
0
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1answer
32 views

Static IP not working on Windows

I'm working with 2 machines, one running Ubuntu 14.04 and the other running Windows 7. The IT team has assigned me several IP addresses (xxx.xx.79.20 to xxx.xx.79.24) and I am trying to set static IP ...
1
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1answer
30 views

Make PC Accessible over Internet using Public IP [duplicate]

I want to make my PC as webserver, file server which should be accessible over internet. I have a public IP, how can I use it to make my PC accessible through internet? Any help?
0
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0answers
50 views

Configuring always-on VPN on Android using a server domain name instead of a server IP address

I am connecting to my home Hamachi-powered VPN with my Android (v4.4.x) mobile device using IPSec. The VPN connection is working fine, except that I am unable to configure the connection as ...
1
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4answers
98 views

can't remember what ip address of a router set up as an access point is

i tried to set up my belkin n+ router as an access point a month ago, but failed, and regrettably failed after i had set it's ip address, which i can't remember. so now it appears bricked, as i don't ...
2
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2answers
3k views

Simplest way to check for dynamic IP change

What would be the easiest way to find, with a script, if my IP address has changed? Background info: I have a standard home cable modem connexion, and my ISP assigns me a dynamic IP. It changes ...
3
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3answers
12k views

How to get IP address of all users on a network on Mac OS X

There is a similar question here, but it doesn’t answer some of my questions. The biggest problem is it says to fill in “MyOtherMac” with the name of the other computer found in the first step. The ...
0
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2answers
40 views

I can't find my modem IP at all

Every tutorial I've found so far help me find my router IP but I need my modem IP as well. I have two devices, a wifi router and a dsl modem, not 2 in 1. The ipconfig -> default gateway, returns the ...
17
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1answer
2k views

Pinging different IP address than what I entered [duplicate]

Can anyone please explain why CMD pings a different IP address than the one I am searching for?
3
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10answers
49k views

How to find how many hosts are on subnet mask: 255.255.255.252?

I have Wireless Internet with a USB modem and got what seems to be a Class A IP allocated (first byte is decimal 10). ipconfig /all shows a subnet mask of 255.255.255.252. I know that the ones are ...
3
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5answers
387 views

Is there any way to hide my IP address in email headers?

I use Thunderbird to send email. My mail server inserts my IP address into the header of my emails. Is there a way to hide this? I’ve thought of sending my mail to the server through Tor but my server ...
0
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1answer
30 views

What is the proper way of setting up two IP’s with one domain name?

I have two Ubuntu Servers (S1 & S2 for example) on two different public IP’s (static & are in different locations). I got a domain name from GoDaddy. Lets call it, example.com. I have setup ...
0
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0answers
25 views

Set IP Rotation of sending Email using cPanel/WHM

I have setup Linux Server to send Bulk Emails. I am using phpList to send Emails and It is working fine. I have cPanel/WHM and root access. Now, to prevent BlackListing and to send Smooth Emails, I ...
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3answers
142 views

How can you calculate IP address subnet ranges?

If you're given: Number of needed subnets: 2 Network Address: 195.223.50.0 I can answer the following: Address Class: C Default Subnet Mask: 255.255.255.0 Custom Subnet Mask: 255.255.255.192 ...
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0answers
54 views

Is an IP address associated with phishing definitive proof someone is a phisher? [closed]

I have been asked to research a suspected individual. He is on a site that could be a platform for scam attempts, but his recorded interactions on the site are, perhaps, mildly suspicious in some ...
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0answers
27 views

How can one redirect to a new host all traffic destined for an old host?

We're moving a bunch of services, say from 1.2.3.4 to 5.6.7.8. In order to test that the new services are correctly configured, we'd like to redirect (to the new host) all traffic destined for the ...
0
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1answer
72 views

How to find the IP connected with teamviewer? [duplicate]

I need to know how to find the IP of the pc connected into my pc with teamviewer ??? how can I do?? I tryed with netstat: netstat -n | find ":6039" | find "ESTABLISHED" but It doesn't work because ...
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0answers
656 views

genymotion emulator unable to connect to internet

i can keep only one thing on at a time either my internet or genymotion emulator. i have set up my emulator as shown in this post ...
7
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2answers
12k views

What is the difference between a subnet mask and a netmask?

Is there any logic in using two different names for determining host ID and net ID? For example, if you type print route in a Command Prompt you get things with netmask, but the IPv4 settings seems ...
1
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1answer
122 views

How do I set a static IP address for a particular MAC address on a Cisco DPC3825 router

How do I set a static IP address for this router: http://www.cisco.com/web/consumer/support/modem_DPC3825.html so that a specific MAC address always gets the same IP address.
10
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2answers
553 views

Using only AAAA record for a domain?

Can I point a domain to IPv6 only, instead of IPv4 and will it be fully functional? I've searched for a tip on the Internet, but I've found only for using both.
6
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2answers
2k views

If you visit a website they will know your IP address. But what about when you change broadband connection?

If you visited a website, of course they will know your IP address, right? But what about when you change your broadband connection? Will they still know that it is still from the same source or ...
0
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0answers
29 views

OpenStack with IPv6 only

Can I create cloud instances using OpenStack if I only have IPv6 addresses (instead of IPv4), provided from my ISP? I've searched for a tip on the Internet, but I've found only for using both.
0
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0answers
36 views

Linux - how to connect from local machine to local server using its public IP

I have dedicated machine (Debian) where are running some servers (CS:GO, but it doesn't matter). I need to connect to them from this machine using their public IPs instead of local IPs. Machine is ...
0
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1answer
38 views

avoid sock puppet detection(creating two account) in a site

some sites block your account if they detect a sock puppeting (creating more than one account for one person). Somehow when you create an account**(A)** ,then reinstall your system and create an ...
0
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1answer
30 views

Nginx - access from a public ip address - ubuntu 14.04

An nginx server is up and running locally on my system[ubuntu 14.04]. But i am having difficulty accessing the same server from my public ip address, or from any other system using my public ip ...
0
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2answers
51 views

Log date and external ip address with curl and batch (Windows)

I am having weird issues where my external IP is changed VERY often as in every 2, 3 minutes. I have a dynamic dns service in place that I update via task scheduler with curl called in a batch file. ...
0
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0answers
23 views

static ip address disappeared in the middle of running iperf

The following is done on iperf client side. I set the static ip address for eth0 by modifying /etc/network/interfaces, and activate the change by doing ifup eth0. Then I start iperf -c $server_ip -t ...
0
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2answers
1k views

Changed router ip accidently. Can't change it back

My router ip was 192.168.1.1; I changed it to 192.168.1.107 at the router web interface. Now I know that was bad idea. How could I change it back as it was? I can't access web interface now
2
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1answer
41 views

How can I make a call with/to multiple people on the same public IP?

I need to set up a Skype call in a net cafe. The problem is that every PC in the net cafe uses the same IP address and because of this, no more than two people can join the same call on Skype. (I ...
0
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2answers
32 views

Periodically send dynamic public IP to web server to allow remote SSH access

I have a home where the ISP does not allow static IPs for hosts. I have a computer (that I will call A from now on) in that home that has a SSH server running on it and I would like to connect to it ...
0
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2answers
76 views

What happens if 2 devices want the same static IP address?

I don't know much about IP addressing. In my mind, static IP addresses are something that a device requests, asking for a specific address. With that approach, what happens if 2 devices attempt to ...
0
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2answers
24 views

Change source IP of an incomming packet WIN7

I am receiving data through a specific TCP port and I would like to apply a rule on my Win7 Machine for my trafic (NAT??) : Every Frame coming from A --> Change Source Address to B & Every ...
0
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1answer
40 views

How to reroute external IP address to localhost?

I have a software that I no longer have access to it's source code that is connecting to a server on a certain IP. I want to be able to mimic the same server's functionality and route the IP address ...
1
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1answer
37 views

How to setup an ad-hoc network in Ubuntu using IPv6 address?

Please guide me to setup an ad-hoc network setup between two ubuntu linux machines with the IPv6 protocol. I believe this command will help me to configure an IPv6 address but what about the gateway ...
0
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1answer
34 views

Public DNS entry with local IP

We have a set of internal services used by our business applications. Some of them are defined by IP. We are thinking about replacing them all with service subdomains instead pointing to the private ...
0
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0answers
24 views

Network connection error. Data-link layer working. Static/DHCP ip assignment failing, with no connection

Trying to connect two virtual machines through a windows (host) tap adapter. One virtual machine is a pfsense router running on VirtualBox, the other an emulated rapsberry pi running raspbian on qemu. ...
0
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0answers
34 views

How can I restrict FTP server bandwidth based on IP?

I am stuck at this problem and don't know how to solve this. I have a FTP server based on Windows from which users are able to download movies. It works with LAN. Now, I want to restrict users' ...
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3answers
5k views

VPN not changing IP address

A certain internet service I require demands that I connect from a university IP. Said service indeed works well when connected from several universities. Now, I would like to access that service ...
3
votes
2answers
333 views

Same IP for WLAN and ethernet on Linux

I have a laptop running Lubuntu 13.04. I use ssh -X to log into my server and start programs there that I view on my laptop. When I pull the ethernet cable, the laptop switches to WLAN but my ssh -X ...
0
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0answers
71 views

Website redirects me to U.K. version even though I have an American IP

I recently visited a site (www.supremenewyork.com/shop/all) which has U.K. and U.S. versions depending on the user’s location. Somehow, I triggered it to read me as British/U.K. I’ve tried it on other ...
0
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1answer
40 views

Make private computer's IP accessible by server

To say it in other words: My computer has an IP address 1.1.1.1 and the server has an IP address 2.2.2.2. My computer can access the server's IP 2.2.2.2 and work with services running on its ports ...
1
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1answer
832 views

How to use ip rule and ip route commands for IPv6 addresses?

For IPv4 we use: ip rule add from (ipv4 address) table 60 ip route -net (ipv4 address) mask (ipv4 mask) (interface number) How do I use the ip rule and ip route commands for IPv6 addresses?
0
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3answers
100 views

Why does my router stop giving out IP addresses

I've got a Cisco Linksys X3500 ADSL2+ router which we have been using fine for a long while, until all of a sudden, the router stopped providing IP addresses after a certain amount of clients were ...
2
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2answers
111 views

DHCP not issuing out IP addresses

DHCP on my network is no longer issuing out IP addresses. Every new device must be manually configured to connect to the network. After executing show ip dhcp binding, i noticed that all the ip ...
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3answers
9k views

How can I copy a print file to a networked printer?

I have an Epson TM-T88V network printer. I can print to it using the printer driver. But I need to copy a "print file" to the printer using the command line, and this causes problems. I cannot use ...
11
votes
7answers
6k views

Why can a network address not be a valid host address?

So... I have studied for CCNA and such and been working with IP networking at the least the past 8 years or so. I have always seen and been told that the network address for a subnet is not a valid ...
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2answers
84 views

How to bypass router access control?

For the past month, me and my father have been having a friendly war about the internet in my household. Basically, after 9:30 at night, he turns off my internet, by setting a schedule that stops a ...