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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5answers
562 views

Can I collect wireless packets using Wireshark while being connected to the Internet via cable?

I am working on a PC which is connected to my router using a LAN cable, and the other computers in my house are connected to my router using WiFi. We are all connected to the same network, so I ...
1
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0answers
57 views

convert Ethernet router into integration gateway

I need to integrate to an Ethernet proprietary network. It is IP based but doesn't implement TCP. I need a router which will poll devices on this network, and periodically post the data using ...
0
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0answers
46 views

Windows: Configure point-to-point-connection on one network card so it is completely independent from another network

I am developing for a Windows system which is supposed to have two network cards: 1) is to be used by a customer in arbitrary ways depending on his networking requirements 2) is used for a ...
0
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1answer
60 views

Not able to login to Tuleap after full installation due to TCP IP port configuration

Not able to login to Tuleap after full installation, as all the ports are in listen mode and 9091 port is not visible in ports.How to over come this and solve. With IP address we are getting tuleap ...
1
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1answer
34 views

Dual ethernet interaction [closed]

I was looking at the overview for MSI's new X99A motherboard and noticed that it came with two ethernet ports. I've only ever used motherboards with a single ethernet adapter so I am wondering how the ...
0
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1answer
39 views

I want to know how much user/ IP is online and which user is using high bandwidth on my network.? [closed]

I want to know how much User/IP are currently online or running and How much User/IP is offline/Shutdown. And which user is using high bandwidth (LAN/WAN) on my network... Please HELP ? I want a ...
0
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0answers
67 views

Debian 8: Server makes routers dhcp crash

I've got an old pc with debian 8 running as home server. A small problem is that whenever the server uses a lot of network traffic, let's say while downloading torrents, it seems to crash the dhcp of ...
0
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1answer
40 views

Is it possible to get ip address of a router thru mac id?

Is it possible to get ip address of a router thru its mac id (router) ? also I am connected in the same network (ISP)
0
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0answers
154 views

How to Identify Class A, B and C IP addresses that look similar?

The question I had come up on my CompTIA test was Which of the following is a private Class B IP address? The choices were A 10.0.15.1, B 172.16.0.1, C 172.16.1.1, D 192.168.1.1 We know that within ...
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0answers
69 views

Ubuntu server as DHCP server for dual stack

I currently have an Ubuntu server on VirtualBox set up to give hosts on my GNS3 topology IPv4 addresses, and it is working without issues. However, I would like to have that same DHCP server give out ...
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4answers
1k views

What is the diference between IP subnet mask 255.255.254 .0 … or 255.255.255.0? [closed]

What is the diference between IP subnet mask 255.255.254.0 and 255.255.255.0?
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0answers
88 views

Router IP address

I have a wifi router which connects to the internet. The local IP of this router (router A) is 192.168.0.1 Few years ago, I had connected another router (Router B) to router A via an ethernet cable ...
0
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1answer
162 views

Connecting two home routers and change to IP addresses

Netgear Cable Modem Router Connected to Internet IP 192.168.0.1 DHCP is ON D-Link Router This is my wireless router IP 192.168.100.0 DHCO is OFF I want to use the D-Link router as my primary router ...
0
votes
1answer
174 views

How to dynamically change IP address repeatedly?

I'm working on a spam detection engine (early stages). I've deployed my spam detection engine on a web server and to test it I need to access the remote resource repeatedly with different client IP ...
0
votes
2answers
57 views

Static IPs through router

Don't know of it's even possible, or if it's the right place but here it goes. Facts: I have a router (on lease, can get something else if need be), TL-WR740N. My ISP gives me 3 external/global IPs ...
0
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3answers
173 views

Leading zeros in IPv4 address; is that a no-no by convention or standard?

I teach a class on a software product my company makes and I find that students frequently add leading zeros to a configuration page to have the software connect to our hardware. Leading zeros are ...
1
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1answer
55 views

How to block all IP addresses in a range?

In nginx, I know that to block all IPs in the range 5.121.66.xxx, one can use this directive: deny 5.121.66.0/24; Now, I'd like to know how a range like 5.121.yyy.xxx (where yyy in 1-255) can be ...
1
vote
1answer
38 views

Does DNS lookup change depending on the part of the site being requested?

DNS requests to different subdomains can be different. For example, example.com and subdomain.example.com can return different IP addresses. Does this logic extend to the parts of the domain after ...
0
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1answer
104 views

Loading a website using IP

As per my understanding DNS is used for resolving domain names into IP addresses. I am using Ubuntu. I did following. nslookup facebook.com gave me the IP of the website. I blocked DNS using firewall. ...
2
votes
1answer
84 views

Adding an additional routable subnet to router

I have commercial cable modem running Tomato 1.28 by shibby. It currently has a static IP address assigned via DHCP and works fine. I was assigned some additional routable IPs but they are in a ...
2
votes
1answer
41 views

Hopping Gateways in a Multi-gateway Network?

I'm on a network that has multiple gateways, and it seems that my machine connects to a different gateway than what my phone does. I'm curious as to how I may switch to another gateway. I've tried ...
0
votes
2answers
844 views

Can't connect to ftp server - Connection refused by server

I'm new to this forum and ftp. When I try to connect to a ftp server using filezilla, It returns - Connection attempt failed with "ECONNREFUSED - Connection refused by server". I run the Network ...
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1answer
102 views

Why need subnet when public IP available?

I am just entering into CCNA and there is a subtle concept of subnetting that is not going through my mind. My issue is when we have a private IP address, why can't that do the job - why do we have ...
4
votes
1answer
59 views

Elicit the IP of a black box

Suppose an attacker connects their computer with an Ethernet cable to a black box computer, which supports both TCP and UDP, over IPv4, over Ethernet. Direct connection, no switches in the loop. The ...
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0answers
27 views

Masking external ip address using cmd or script on windows

I am using Windows and I want to mask my external ip address(not the "local "). using command prompt or some script, as we do in orbot on Android by swiping up in the app. i know about Tor browser ...
0
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2answers
129 views

find IP address of a device

I have multiple devices connceted to HP 1910-48g. Three of them are fingerprint scanner devices. We use them for time attendance reports. Because of some problems I have to reinstall software but in ...
13
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5answers
3k views

Identify an unknown IP in our network

I have a network containing 20 clients. I assigned IP range 10.0.0.1 to 10.0.0.20 to them. When I do an IP scanning I see someone using 10.0.0.131 in VMware. How can I find out which IP is this IP ...
0
votes
1answer
65 views

How can I assign an external static IP to my machine?

I have recently moved ISP's and in this transition I acquired 4 static IP's. My plan was to move my 1U rack-mount server from the datacenter i use to my home as I do not need the redundancy, ...
0
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0answers
5 views

Assigning a static IP to Hamachi VPN that's outside of DHCP range [duplicate]

I'm trying to assign a static IP outside of a DHCP range. The range is from xxx.xxx.20.5 to xxx.xxx.20.85. I was trying to set it to xxx.xxx.20.216 and I know Hamachi doesn't have an option that ...
0
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0answers
43 views

Accessing Web UI with Spark1.3.1

I am currently building and deploying spark with standalone mode, including one master node and two worker nodes, on Google Container Cluster. For monitoring purpose (also connecting to master from ...
0
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1answer
72 views

Can't find one virtual machine whose network IPV4 is DHCP enabled

I had a virtual machine which I connect remotely from my windows machine. Virtual machines TCP/IPV4 property was assigned one static IP address by the network administrator. I have changed that from ...
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0answers
50 views

point multiple ip address to hosting

I have centos server, earlier it had 1 ip [ a.b.c.d ] (external ip , eg., 141.101.114.59). Now, I bought 2 additional ip [b.c.d.e , f.g.h.i] (external ip , e.g, 190.93.244.58 , 130.93.245.8 ). I have ...
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0answers
45 views

Remote WOL over CISCO/FW not Forwarding

I'm trying to accomplish a Wake-on-LAN by triggering the two servers' public IPs. Internally, the WOL works like a charm (by either the internal or external IP), externally however, it does not wake ...
0
votes
1answer
274 views

Windows Server - Bridge ip address of different subnets

My Windows Server 2008 R2 has two network cards which are connected to physically separated networks. The Adapters have the following IP settings: LAN1 IP: 192.168.2.1 (Netmask 255.255.255.0) LAN2 ...
0
votes
2answers
160 views

If two computers use the same VPN can they be targeted with local IP addresses and avoid port forwarding?

If I am using a VPN and my friend is using the same VPN and has some program listening on a specific port on his computer, can I access that computer and port with a local IP address instead of having ...
2
votes
2answers
335 views

What is the IPv6 equivalent of 192.168.xxx.xxx? [duplicate]

I have a server which responds differently to requests from the general internet as opposed to the intranet. For IPv4 I can simply check if the address begins with 192.168. This works for my needs. ...
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vote
3answers
200 views

Pinging ip address on another interface than the one receiving the signal

I have PCa and PCb. PCa: $> ip addr && ip route 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default link/loopback 00:00:00:00:00:00 brd ...
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1answer
89 views

Can't ping from my office to my home PC

Usually, I used TeamViewer to control my home PC and my office iMac both ways. But TeamViewer doesn't work sometimes. In this case, from my home PC to my office iMac, I used UltraVnc (on home PC) to ...
3
votes
1answer
734 views

Does a bridge between 2 TAP interfaces need an IP address?

I am trying to setup openvpn on a machine so that I have 2 different tap interfaces (tap0 and tap1) and then a bridge connecting those interfaces. The openvpn is setup with a server-bridge ...
0
votes
3answers
76 views

Static IP without a static IP

I need my network to have an external facing IP address that is static. My ISP will not provide me with one. I know I can use use DDNS to achieve this in a way. I want to setup an Exchange server ...
1
vote
1answer
58 views

How may I host a website on my local IP? [closed]

I am trying to design a web page. I want to assign the URL for it of my machine's local ip,i.e., http://192.xxx.x.x. If any may kindly suggest how may I have to do it? I prefer to use Python2.7+, ...
3
votes
2answers
85 views

Is it possible to get a router’s IP address from a Wi-Fi signal?

Is it possible to get a router’s IP address from a Wi-Fi signal without having to connect in, given that it's broadcasting Wi-Fi, but requires a WPA password?
0
votes
0answers
121 views

Hyper-V, Subnet Masks, External IP Addresses, Hetzner

I am pretty new to this so I am going to try and explain this as best as I can. All Servers I have dealt with in the past have always had an internal IP address, the external access has always been at ...
0
votes
1answer
92 views

Getting list of connected devices and types to a network without connecting

I'm using kismet to get a list of networks nearby and all the devices that are connected to them. I can get the MAC address off these devices, but I was wondering if it was also possible to get the ...
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2answers
46 views

When is an IP replaced in routing?

If I have 2 networks, 192.168.1.0/24 and 192.168.2.0/24, and my IP is 192.168.1.2 with the following routes: Destination Gateway Genmask Flags Metric Ref Use Iface default ...
0
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2answers
178 views

How to restore my default DNS?

I hanged my DNS servers to 8.8.8.8 in order to fix my web browsing (it worked). My coworkers want me to change it back, but i didn't save it! Is there any way to restore my old dns settings? I'm ...
0
votes
1answer
38 views

What software can I use to invert txt list IP-ranges? (not a reverse DNS lookup)

This is a blocklist, but I want to have only IP in the list to be allowed. instead of: 1.2.3.5-1.2.10.20 2.2.3.5-3.2.100.20, I need: 0.0.0.0-1.2.3.4 1.2.10.21-2.2.3.4 3.2.100.21-255.255.255.255. ...
0
votes
0answers
164 views

static IP not saving in LAN properties

static ip is not saving int lan tcp/ip properties i.e once I enter a static address with subnet mask, default gateway Etc.. it accepts the details, but then I close the dialog and when I come back in ...
0
votes
1answer
265 views

Public ip address showing in Hong Kong

It seems that my range of ip address are all showing as if they are in HK. For example, when I use google search, I am stuck on the .hk search site and it is extremely annoying. I also host a email ...
0
votes
2answers
309 views

How do I permanently assign an IP address with DHCP?

I am wondering if there is anything (software or hardware) out there that can do something I think I may have made up, Dynamic Static IPs. The idea is that when a new device connects to the local ...