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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Assign IP address to a Virtual Printer

Is it possible to assign an IP to a virtual PDF Printer? Is there any Virtual printer software that automatically can do this?
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26 views

How to mitigate IP fragmentation attacks before reassembly when authentication information is available?

I'm trying to filter incoming traffic to high bandwidth, low latency network, to mitigate DDOS. The incoming traffic is custom UDP (I'm setting the protocol specs so I can force IP headers if ...
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40 views

adhoc networking in decentralized way

I am trying to create a adhoc network in which I am going to use one or more android devices to connect to laptop(s). Say laptop A, laptop B, Mobile C, Mobile D. I rooted one of my android device and ...
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384 views

cant access my site is my ip blocked by ISP

I want to know if my ISP has blocked my website www.indolog.com . If i use another ISP it works fine. Below are the tracert log C:\>tracert www.indolog.com Tracing route to indolog.com ...
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91 views

Routes with question marks in routing table

When I do ip route show table all I see some routes with question marks in them as below. multicast ???/32 from ???/32 table default proto none iif eth0 They appear to be multicast routes. I ...
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3k views

How are IPs assigned on 3g networks?

I am a mobile apps developer who has run into some strange and interesting problems with 3G connections. We develop applications using both the Twitter API and Twitter Streaming API. The normal ...
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21 views

Problems with internet connection with bridged connection

I am having a problem with my network, at the moment it is setup like this: Wireless Router - Laptop connected to Wifi - Pc connected to laptop via ethernet and bridged connection between WiFi and ...
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112 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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545 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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349 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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84 views

EC2 instance with two internal IPs - using ifconfig

I am trying to allocate another internal IP to an EC2 (classic - not VPC) instance with the following command. sudo ifconfig eth0:0 inet 10.80.7.40 netmask 255.255.255.0 Here, 10.80.7.40 is just a ...
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89 views

IP based tunneling using putty

under linux i learnt to establish an ip-based tunnel using ssh, doing this: # background tunnel ip based on tun5 sudo ssh -f -N -w 5:5 root@remoteserver # setup remote: tun5 ssh root@remoteserver ...
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255 views

Advanced QoS on prioritized first packages set by ISP

I have the following problem my ISP (Fibertel from Argentina) accelerates, 'enhances' the first 6.8 megabytes of downstream transfer and it's seems the first 1.8 megabytes of upstream transfer. This ...
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324 views

iproute nexthop not working - defining multiple default gateways

I have several point to point connections and I'd like to use all of them as default gateways. I saw this link which explains how to do this using load balancing by calling ip route with a nexthop ...
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399 views

tc/netem and iptables: Delay traffic only from specified ip and port

I have a Ubuntu Router with 2 network interfaces. eth0 is the private network and eth1 is the internet. What I want is the following: All packages (mostly udp) comming from a specified private ip ...
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33 views

mod_geoip in local

I have to implement a geo location functionality on a Magento based website, thus php on an apache2 server. Obviously, in my local machine mod_geoip isn't very helpful. I was wondering if I could fool ...
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43 views

Route everything from some VLANs to a tunnel

I've set up a tunnel: $ ip tunnel add mytunnel mode gre remote x.x.x.x local y.y.y.y ttl 255 $ ip link set mytunnel up $ ip address add 172.17.10.2/30 dev mytunnel $ ifconfig mytunnel up Now, I can ...
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119 views

Is there a way to tell the difference between a direct connection and network connection

I want to configure a linux(ubuntu) machine such that when a direct connection is made with another PC my machine will enable a DHCP server and serve it an IP address, but if my machine is connected ...
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60 views

Why do I see folders of my computer under IP which I don't see in ipconfig?

At first, I could not connect to my NAS (which has static IP 192.168.1.100) from my notebook. But I can connect to it with all my other PCs. So I suspect some error somewhere in that notebook. My ...
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76 views

Amazon EC2 Windows Server 2008 + “Instance Status Checks failed”

I have Windows Server 2008 launched on Amazon EC2 Instance. While doing some configuration I changed IP address to the private IP address of Amazon EC2 instance. As soon as I changed IP address, ...
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66 views

Ip doesn't change when switching networks, although automatic ip is set. Cause of the issue known

I have two routers at my house. Both of them have DCHP server enabled. One of them is 192.168.1.1 and gives adresses from 192.168.1.2 to 192.168.1.32 The other one is 192.168.1.50 and gives adresses ...
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480 views

How to redirect a URL to a certain IP, as with /etc/hosts?

Someone on my shared server has messed with some setting such that gethostbyname('www.google.com') (PHP) gives me the IP for his website, rather than Google. I believe this can be done via the ...
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347 views

Need to Change DNS to get Gmail to Speed UP

I'm having an odd problem with gmail. My gmail is painfully, excruciatingly sluggish. Messages take a long while to load, send, frequent "#717" errors, etc. I realize that this is a rather common ...
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211 views

Constant network crashes

I have a network, and it has had serious trouble since before I started working on it. It continues to be problematic at best, and down right broken at worse. I'm pretty much at my wits end with it! ...
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45 views

IP header “Option field”

Is it true that the GRE (Cisco tunnel) header is placed in the IP header "option field" ? Are the IPSec headers (ESP or AH) installed in the "option field" too ?
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2k views

How to configure VmWare to allow hosted machine to use static IP?

There are two machines: Windows Server Windows 7 In order to install Domain Controller the machine has to have static IP because Domain Controller suppose to be DNS server. How to configure ...
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273 views

How do I eliminate IP Spoof errors in my Belkin security log?

Verified it's not coming directly from a certain computer on the network. What could be wanting to spoof the WAN besides the probable reply of malware? I can provide logs but not easy at the moment. ...
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254 views

Problem using web ip check with squid

I've got all my web traffic running through Squid using iptables: Chain OUTPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- anywhere ...
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392 views

Windows 7 gadget or app that shows stats on multiple network interfaces?

I am looking for a Windows 7 gadget or app that I can leave on my desktop/sidebar. While there are many gadgets that will display network interface info (such as current IP, gateway, etc), what I ...
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14 views

How do bots access directories on a server that are not DocumentRoot of public IP address? How do I stop them?

I have a local network set up with apache2 and "named" running on OpenSuse 13.1 Linux. I used the "named" service to use my computer as a domain server. I set up my router to point to ask my computer ...
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5 views

BT unable to open new server IP

I have just got a new server built and have the IP address of 88.150.128.2 to get to the server, whm etc.. I am currently with BT and am unable to reach said IP address. Trace routes are failing at ...
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21 views

firewall detecting outgoing connections of weird hostnames

Recently, I am monitoring every outgoing connection with the help of my firewall. Sometimes when I want to connect to the Internet I receive alerts that some strange looking hostname is going to have ...
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38 views

How can i have an NAS on one network be available on another network using windows server 2008 using two network cards?

Ammended I have two independent networks that, due to security reasons, cannot allow access to each other. Yet, I have a QNAP NAS on the Public network (A), which needs to be accessed from the ...
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19 views

Arris router not accepting current IP

I left out my IP for obvious reasons. I'm trying to port forward (to play risk of rain, as evident from the title) my Arris router. The model is TG852G. My problem comes when trying to create a ...
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13 views

Share Access Web App Using Public IP Address or Blogspot

I found out that Access 2013 has many useful web apps. The problem is, I don't have a Sharepoint or 365 account (As mentioned here): ...
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12 views

distributing total network bandwidth suitablly between connected nodes or access point like ISP's

I want to know how should I distribute the total bandwidth of the network which is calculated by different traffic of network users , through the other nodes and devices over the network.
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37 views

HDMI “Video Over IP” hardware

I am interested in using my wireless home network to live-stream video sources such as DVDs, my Raspberry Pi or anything else that is connected to my home receiver. I would like to then send this ...
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29 views

How many packets lost is “affordable” in terms of stable network?

Recently I've been having some issues with my internet connection. My mom complained that internet stops working sometimes and it comes back after a while. It didn't happen to me, but did see it ...
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26 views

Using Tap/Tun to intercept packets at IP level

I am working on a research project involving ARP poisoning. I would like to intercept packets on the IP level. If my machine receives a packet with an IP address not destined to it's own IP ...
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37 views

DHCP letting multiple devices get same IP address - how to trouble shoot?

I am using a win2008 server with AD to also serve DHCP and DNS. I have some wifi AP's that are giving me trouble (dropping connections and generally misbehaving). The issue that I notice is that the ...
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32 views

Blocking Incoming IP With Win 7 Firewall

This question was asked before, but the answer is not working for me and the rules of this forum say do not respond to answers, so I am asking again. I went through the following process on the Win 7 ...
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16 views

Trying to figure out NAT between modem and router

I just bought a new DSL modem and I'm trying to set it up optimally for my small home network. There are a few computers and smartphones which access the router which handles ethernet and Wi-Fi, then ...
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21 views

connect to (“remotely”) local IP if router has VPN to remote server

I am confused by how this works. It took me two days, but now I see some connection from my DD-WRT router (as PPTP client) to a remote VPN server, e.g. issuing the command route on the router: ...
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23 views

how to check if ddwrt vpn client reaches remote subnet?

I spent many hours trying to setup a VPN connection from my router to a VPN server where I have an account. After upgrading to a newer build, I finally see some entries after issuing ip route on the ...
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63 views

Can't externally ping my server

I set up an a Ubuntu Server with LAMP and am trying to access it externally. What I did: I set up an account at no-ip.com following this article I gave the server a local static ip of ...
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what happens to my IP my inner VPN uses if my outer VPN channel breaks down?

I want to use a VPN tunnel within a VPN tunnel. So I establish a connection first, and then another one, which will already by routed via the first. The first is the outer one, the second the inner ...
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43 views

Age of Empires II via TCP/IP Internet connection

I have made a lot of research about that, but still no luck. I'm behind a router so I got the specific ports forwaded. Once I create the game on AoF it shows my private IP, when I use GameRanger the ...
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69 views

Reply from *VPN IP Address*: Destination host unreachable. Request timed out

I have a device attached to my Netgear router (recording device with an HDD). The IP is the first in the below image: I have a VPN IP set up for it. The getter command for it returns VPN IP ...
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39 views

Very strange behavior when I try to connect using SSH. Why it works only if I copy and paste the IP address?

I am experiencing a very strange behavior. The situation is the following one: I connect to my RaspBerry Pi from my Ubuntu Linux 12.04 using SSH So I do the following operation: I go into my router ...
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105 views

Force netsh/arp binding multicast IP addres with specific MAC address

I would like to setup an binding from an IP address to a MAC address using netsh. Goal is to bond an IP address which is a multicast address (224.224.x.y) to a given MAC address (which is NOT the ...