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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3answers
26 views

Will home router retain dynamic IP?

The cable from my ISP is connected directly to my computer. Problem is I have a dynamic IP address that changes every time I disconnect and reconnect, otherwise it will not change by itself if I stay ...
-3
votes
1answer
35 views

Cannot access my external IP address from LAN [on hold]

I got a personal PC and I use Internet service from a local Internet provider. I checked "What Is My IP" of my public IP address. I then typed this public IP address into my web browser; then it said ...
8
votes
5answers
704 views

How to check public IP address availability

I have a few public IP addresses given by the ISP service provider. My question is how to check which IP addresses are already used up and which are still available to use for new servers? Because I ...
-7
votes
0answers
33 views

Silly thing really. However, I want to vote repeatedly on a site the only allows 1 vote every 24 hours [closed]

I want to vote at a site. The site will only allow me one vote a day. I know the other people have an IP address mask or changer that allows them to vote repeatedly. I want to be able to do the same ...
2
votes
1answer
15 views

How can I add some static IP address at IPv6 for Windows 2012 DHCP server?

I would like to add some static IP address to my Windows 2012 DHCP server. I have tried to pair the IP address with its MAC address. At IPv4 it works, but how can do it at IPv6? Could anybody link a ...
0
votes
1answer
17 views

How to change IP of VPN interface?

I have connected to a VPN on Ubuntu. and type ifconfig shows VPN interface has an IP of 10.10.0.11. Unfortunately, there is another computer in my lan whose ip is also 10.10.0.11 and they're ...
0
votes
4answers
71 views

How to prevent computer from taking some IP address

Imagine you got a network to which other users can connect with their PC's, you have set up some rules, for example there is a DHCP server that gives addresses 192.168.2.100 - .254 and first 100 ...
0
votes
1answer
19 views

Forwarding requests to my external IP to a different IP

When I connect to my external IP in linux, it gets forwarded to my gateway (router). But I need to run a server, so I need to be able to forward requests to my external IP to my computers ip address. ...
1
vote
0answers
17 views

Wamp, Route External IP to one file and Internal IP and Localhost to Wamp HomePage

So I recently downloaded WampServer and was wondering if there would be away for me to be able to route my external IP address and my internal IP address, along with Localhost, to separate locations. ...
0
votes
0answers
6 views

Find My Phone - iCloud - Device Location - Locked [migrated]

My girlfriends computer was stolen this morning. She has Find My Phone installed. I'm tracking it from work, but it has a status of locked. (I'm assuming apple put this on when she called, and ...
1
vote
2answers
17 views

Webserver access from Outside Network

I have a Watchguard firewall router with a public IP address and I have a web server in my internal network (192.168.1.5) and i have a domain name (http://www.forexample.com). We can access to to our ...
3
votes
2answers
29 views

Does a typical home router support classless IP address?

All typical home routers I know of allow us to set a custom subnet mask, and because of this, I am really curious about whether they support the use of classless addressing scheme, meaning that in the ...
0
votes
2answers
27 views

default gateway based on IP?

yesterday I decided to try something extra at my job (volunteered to do so) I decided to manually add a computer and assign it a private ip address netmask and default gateway. On a normal at home ...
0
votes
0answers
41 views

Nslookup works but ping fails

I've recently ran into this weird problem where the domain names fail to resolve from DNS. When I try to ping google.com, I get ping request could not find host google.com, but nslookup returns the ...
0
votes
1answer
31 views

Anoymous ip route on my server

After typing "route -n" on my server, i figured out these lines 1.0.104.156 - 255.255.255.255 !H - - - - 1.9.22.84 - 255.255.255.255 !H - ...
0
votes
2answers
34 views

Given the IPs of all on my network, how can I find their computer names? [duplicate]

I obtained a list of all IPs in my network with fing (linux package for analyzing networks). How can I obtain the names of the machines? And maybe could I obtain the OS too?
0
votes
0answers
12 views

How to setup WDE-4220B ip video encoder?

I have WDE-4220B MPEG-2 Encoder with IP Output. Can anyone explain how should the setup/installation of this encoder be done? Obviously there is a software to use but I even don't know how to setup ...
0
votes
0answers
14 views

Router sees WAN, but is unable to access

I have a network setup that I believe is pretty simple. One desktop that feeds into a DIR-615, which them feeds into the modem that was given to be by my fiber ISP. Checking on the setup screen, I'm ...
0
votes
0answers
14 views

connection speed gets slow when using ip address but fast when using domain name

I have a web server and recently i changed the ISP for my home. after then, when i tried to connect my web site(admin pages) by ip address of the server, it takes considerably long time to load the ...
0
votes
1answer
38 views

Does a host re-order fragmented IP packets received out of order?

Host A sends a 1400 byte IP packet to Host B over an Ethernet and PPP link. The PPP link has an MTU of 532 bytes, which means that the IP packet will be fragmented into 3 smaller packets. Fragment 1 ...
0
votes
1answer
25 views

Keeping en0 down while I change IP address mac

I have a DHCP server which assigns myself a new IP address. What I'm wanting to do is power down the wireless adaptor, then change the ip address manually. What's happening is as soon as I set the new ...
1
vote
1answer
35 views

Why did the designers of IP Choose the IP Checksum? [closed]

Why did the designers of IP (and UDP and TCP) choose to use the IP checksum to detect errors rather than a more robust error detection code such as CRC-32? I previously thought the IP checksum was ...
0
votes
0answers
42 views

A particular IP address stops working on the network

I have a small network with a cisco linksys E2500 series router and few Access points to help with wider wireless coverage. Recently, I notice that a particular IP adderess on my network suddenly ...
0
votes
0answers
13 views

Shrew Soft VPN Configuration - manual topology

I have configured Shrew Soft VPN Client 2.2.2 with option "Obtain Topology Automatically or Tunnel All" checked (Policy tab). It's working, but I cannot access the Internet through my regular ...
1
vote
1answer
42 views

Local Network DNS

I have 3 computers on my local network, A B and C, all running Windows 7. They all have the same network configuration which uses my Netgear router for DNS. I am trying to access them via my Android ...
0
votes
1answer
21 views

How to assign my machine static IP of a different VLAN

Imagine a user is on VLAN1 that dynamically gets an IP, and there is a VLAN2 that the users on VLAN1 cannot access. Is there a way to assign the machine of user on VLAN1 an static IP in the range of ...
0
votes
0answers
23 views

Forward all traffic from one Linux interface to another?

I have a virtual ESX interface "eth1" that I want to act as a gateway for connections, and then route all of the traffic from these connections out of my "eth0" (WAN) interface. Here are my ...
0
votes
2answers
59 views

Duplicate IP address Telnet and ARP

I have 3 hosts (PC1, PC2, and PC3). I set the IP addresses for PC2 and PC3 to be 10.0.0.2 and PC3 to be 10.0.0.1. I telnet from PC1 to 10.0.0.2. I then am logged in to PC3. I can see in Wireshark that ...
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votes
0answers
23 views

Duplicate IP address Telnet and ARP [duplicate]

I have 3 hosts (PC1, PC2, and PC3). I set the IP addresses for PC2 and PC3 to be 10.0.0.2 and PC3 to be 10.0.0.1. I telnet from PC1 to 10.0.0.2. I then am logged in to PC3. I can see in Wireshark that ...
-1
votes
0answers
9 views

How do i tell wifi to get external ip instead of internal [duplicate]

I am running windows 8.1 and I just got an external ip address from my isp and the router is seeing it ok but not my wifi network I am still getting 192 address reason I am asking is I am wanting to ...
1
vote
2answers
43 views

Is my network traffic really routed abroad if traceroute says that my traffic is routed through servers with foreign IP addresses?

My ISP is owned by a company that resides in our neighboring country. I have noticed that when I do a traceroute to a server that I know is placed in the same country as I live, I can see some hops ...
0
votes
2answers
26 views

Debugging access to local FTP server from beyond router

I am trying to set up an ftp server attached to the router, it isn't working for external access only local access so I am trying to debug the cause. Currently I can ping my router's LAN and WAN ...
0
votes
0answers
13 views

Destination Host Unreachable from own IP error / arp table not showing gateway IP

One of the Newtwork PC (PC A) giving “Destination Host Unreachable from own IP” error when pinging the another network PC (PC B). I have checked the arp table of PC A and it isn’t showing gateway ...
2
votes
1answer
69 views

My home IP (supposedly) was involved in a DDoS attack

There did not seem to be any SO community dedicated to computer security, so I'll ask here... As the title implies, my home IP (supposedly) was involved in a DDoS attack. I got a phone call from a ...
1
vote
1answer
36 views

My external IP address appears to change automatically [duplicate]

I am trying to use the no-IP service to get a domain name for my dynamic ip address. I use some tools on line to detect my IP, and they tell me that my IP address is 88.207.251.1. So I bind this IP ...
0
votes
2answers
64 views

I can’t ping my router from the outer [closed]

I am trying to remote the server of my company from my home. I enter the router of the company and I get this info: Internet, IPv4 POST LuxFibre LAN1 NG, IP address: 10.244.149.239 But I also ...
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votes
2answers
33 views

ipconfig doesn't recognize chinese characters in the SSID

I'm overly confused: I set up my laptop's IP address at a static value (the last useful address pf the DHCP), then I input ipconfig /renew, checked and the laptop address is still the old address. ...
0
votes
0answers
32 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 ...
1
vote
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
votes
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 ...
-2
votes
1answer
49 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 ...
0
votes
2answers
38 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
votes
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?
0
votes
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 ...
0
votes
1answer
29 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
votes
3answers
135 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 ...
0
votes
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
votes
1answer
69 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 ...
1
vote
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 ...
1
vote
1answer
116 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.