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  • Subnet mask and how to resolve IP range [duplicate]

    - by user2789433
    This question already has an answer here: How does IPv4 Subnetting Work? 5 answers If you click on this link WHO IS query You will see the results from a who is query for a random IP address. On the line "inetnum": "122.4.0.0/14", What does it mean for the prefix to be 14? I am using this as a reference Subnet Mask Cheatsheet While resolving it, I get a very wide range which is something like 122.7.0.0-122.4.0.0 I am not able to understand how the IP range is calculate from the subnet mask and I am only able to find calculators online and not a method to solve it.

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  • Setting a Static IP Running FreeBSD8 in VirtualBox hosted on Windows 7

    - by gvkv
    I'm using VirtualBox on Windows 7 (host) to run a FreeBSD (guest) based web server. I`ve assigned a static ip of 192.168.80. 1 to the (virtualized) NIC which is run in bridged mode. The problem is that when I ping an external server (such as google.com) I get a No route to host error: dimetro# ping google.com PING google.com (66.249.90.104): 56 data bytes ping: sendto: No route to host ... I can ping the BSD server from both another virtualized machine and my host machine and from the server, I can ping everything on the network. The router ip is 192.168.1.1/16. ADDENDUM: I have the following lines in /etc/rc.conf on the BSD VM to configure networking: defaultrouter="192.168.1.1" ifconfig_em0="inet 192.168.80.1 netmask 255.255.0.0"

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  • Relaying requests between third party server and Heroku for static IP

    - by Gady
    I have a rails application hosted on Heroku that I need to integrate with 3rd party payments provider. The payment provider requires that my application will have a static IP for incoming and outgoing HTTPS requests. I want to deploy a proxy on a Linode VPS so it can relay the information as a proxy. Relaying the request to the service provider seems easy, I just use their IP. Can I relay requests coming from the service provider to the heroku application? Can I realy the request using a URL (https://myapp.herokuapp.com) ? What is the recommended proxy server to use?

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  • Email Tracking - By IP

    - by disasm
    I am trying to track an Email I received to see where it originated from (harmful scam Email). Here is the full header: Received-SPF: pass (domain of aol.com designates 205.188.109.203 as permitted sender) ZSwgeW91ciBpbmZvcm1hdGlvbiBoYXMgYmVlbiBhY2NlcHRlZCBhbmQgYXBw cm92ZWQgYnkgb3VyIFJlY3J1aXRpbmcgRGVwYXJ0bWVudC4gWU9VUiBGSVJT VCBBU1NJR05NRU5UIERFVEFJTFMuIFdlc3Rlcm4gVW5pb24gTW9uZXkgVHJh bnNmZXIgaGFkIHJlcG9ydHMgYWJvdXQgbGFwc2VzIGluIHRoZSBzZXJ2aWNl cyBvZiBzb21lIG9mIHRoZWlyIG91dGxldHMgYW5kIHNvbWUgbwEwAQEBAQN0 ZXh0L3BsYWluAwMwAgN0ZXh0L2h0bWwDAzIx X-YMailISG: HeDj35sWLDvNbQaO2B72kIm7hhiubE2qUysyBFo2m3GE4wsk FOs6uaYWwBVUBbL_ubGEs5Gitm1b86QFPuQYdS3g5s2f_uY3dyHhXh7DcBIB Ad4mJBzeRozs5.0s6vbqhsIEYlaKI4EDrsocJEbDbTUiUq2UyxZ7Ery8Iqow _sBVN0msHJvcI09KwmaXUteV_qCL7qFlj7WNSmdMM.wVUm3pyiWzw1VUZlyD nwoEzdEImQdwmJqoTM1YE8XU6BE8IkmUkh1Z8XkfLtHqmAsPi1_.Msbi8ubk QD71BcTABjb7ixELg5NfomsyZKVN.9G.TnuISlX5umByjS701ITyQ2PUYXai hoVCWg37bKWNR9MAWdogUK8PIV3MWPv5gdglNAKuPdS5Z7.01J39UGyH7R60 aIiIWdAsQ7_3VQBgIi9Seg2YM2j1U5g9QtdcJxBe0.1oigmj7G2sC9.YXNGX 3abQ1EcWVlJLuSuBbQ4Flpbe_Y3_ssz8nZIK2YjKy0U8WWe77vfnxdEBsknf w2OA_PAzHtuAAuxETnAOU_MeMIssgRAtihKC_26Au1LnKYCGPGADFBLaLNHF 30itI.kBvUjdvUfqV11dnGe50kFVzBGDMJFm8mXvb5WtIKq6qU1ZZmUroCew EgXjVZ.JKbux2KQmHh2zZbIJO3nOmLGkzuRczYiWCUNBDtmUZE6imuIQ4P6S RjusSbMITf2fIL_xe.qFCnW563sOdc4u.uXLDx.lq30740l8lWkkLX6KaDMF k9TY0VQKsMynqa4vXKpkTVNdukAcGd0p2i3newxY4q_9eZLn9czsJimfpKNW SX1bqjs0iCQHb4FTydf1Zpa2b.6lIhdjVlIM8tiWhfGhlUeM267T3njEM6nz 0vxyjparR_G_s0VnIVhSeLw2F5KpAL226w2yA.WBcqoG2ROSa7fK.0ZYwy36 Qcmk8C.HKj8Fng1qFLtEfaI4F66rCEJi7h1d6EK0Jk4a_TJnBBub1VQVoU.s SJ2ehs8aDjDqJw27_Ia4vYekKhIU8Oak0vYSmMXhZ5IvJfGfOHYVy4ebkoQf IDE3lSfex1nHZqcMqq0agPOZUOdznSIGJVx4T8m6MGwrEouvL.grhT6KUJQ5 g8UX6DVTgj.8lHuTyOzj3A3NRwDFs2JqicprOMJRS4UWYX8eQ1y4j.4ora36 LnWYm7k1n6X0lDBW5ZdZlsLy7.0al0G1uCIAZwBNo7FnHr6q2mQNwgFaPkNO FOiykqFHu0khLO_cZw87MpDslZO_3lFbJGlnchSs81hkESSQsldUxqdNkIV. yWsS58p1uuwVNksp4NB.QW41wfBtY5FU.Q80g8KiOZIz0daou3GlzoahcHoQ GPgSa86GKtSo.ew2xEUKk6c.ffAT9RjqNh5fzyhBdzEYURxJBYgMlL5DQp2G yYIGhlIS5h9JzPFVkk2XhBoY2NgEAAfJfAfqKoMNNKIW.bEwbgNa9xtSzHNg YdmDfOSkYkAGZDqwa.uONguq5.jqtnWDnx3GDyuoVg-- X-Originating-IP: [205.188.109.203] Authentication-Results: mta1343.mail.bf1.yahoo.com from=aol.com; domainkeys=neutral (no sig); from=mx.aol.com; dkim=pass (ok) Received: from 127.0.0.1 (EHLO omr-d06.mx.aol.com) (205.188.109.203) by mta1343.mail.bf1.yahoo.com with SMTP; Fri, 18 Oct 2013 10:11:15 -0700 Received: from mtaomg-da05.r1000.mx.aol.com (mtaomg-da05.r1000.mx.aol.com [172.29.51.141]) by omr-d06.mx.aol.com (Outbound Mail Relay) with ESMTP id ACFAD7012DFB4 for <.confidential.; Fri, 18 Oct 2013 13:11:15 -0400 (EDT) Received: from core-mfb002c.r1000.mail.aol.com (core-mfb002.r1000.mail.aol.com [172.29.47.199]) by mtaomg-da05.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 2ADB6E000089 for <.confidential.; Fri, 18 Oct 2013 13:11:15 -0400 (EDT) References: <[email protected] <[email protected] <[email protected] To: .confidential. Subject:.confidential. In-Reply-To: <[email protected] X-MB-Message-Source: WebUI MIME-Version: 1.0 From: .confidential. X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8D09A3C2FD3105D_1338_33A66_webmail-d257.sysops.aol.com" X-Mailer: AOL Webmail 38109-STANDARD Received: from 66.199.226.81 by webmail-d257.sysops.aol.com (205.188.17.42) with HTTP (WebMailUI); Fri, 18 Oct 2013 13:11:15 -0400 Message-Id: <[email protected] X-Originating-IP: [66.199.226.81] Date: Fri, 18 Oct 2013 13:11:15 -0400 (EDT) x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1382116275; bh=9TXLF90L8beaMnjNzoKDwcv3Eq06jiZGN40YTBw2YOI=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=xHVjoH5AccrOpPZoZZW+b41uJ7nzHDrryGsO6WzvtBOFGWX3xJMO3RB1ILFlJAsF6 P9olk8Gz6LDydX9SOZ4w/yPI8y8eU6z1AauwOPxw9F1lu82goIGwK3jIcvOv72koB5 Izq9By7L6PESEmmJ5nFc4ko9vH2CBMcJKPV95HTg= x-aol-sid: 3039ac1d338d52616bb37d53 Content-Length: 26445 The Email was from the aol domain, so I understand the IP of aol. My question is, looking at 66.199.226.81 , would it be safe to say that the Email originated from "Access Integrated Technologies"? Thanks for any help!

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  • Force local IP traffic to an external interface

    - by calandoa
    I have a machine with several interfaces that I can configure as I want, for instance: eth1: 192.168.1.1 eth2: 192.168.2.2 I would like to be able to forward all the traffic to one of these local address trhough the other interface. For instance, all requests to an iperf, ftp, http server at 192.168.1.1 are not just routed internally, but forwarded through eth2 (and the external network will take care of re-routing the packet to eth1). I tried and looked at several commands, like iptables, ip route, etc... but nothing worked. The closest behavior I could get was done with: ip route change to 192.168.1.1/24 dev eth2 which send all 192.168.1.x on eth2, except for 192.168.1.1 which is still routed internally. The goal of this setup is to do interface driver testing without using two PCs. I am using Linux, but if you know how to do that with Windows, I'll buy it!

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  • Force an LXC container to use its own IP address

    - by emma sculateur
    Sorry if this question has already been asked. I could not find it, I have this setup : +---------------------------------------------------------------------------------------------+ |HOST | | | | +-------------------------------------------------+ | | | UBUNTU-VM | | | | | | | | +-------------------+ | | | | |UBUNTU-LXC | | +------------------+ | | | | 10.0.0.3/24 | 10.0.0.1/24 | |OTHER VM | | | | | eth0-----lxcbr0----------eth0-----------br0----------eth0 | | | | | | 192.168.100.2/24| 192.168.100.1/24 |192.168.100.3/24 | | | | +-------------------+ | +------------------+ | | +-------------------------------------------------+ | +---------------------------------------------------------------------------------------------+ When I ping 192.168.100.3 from my UBUNTU-LXC, the source IP address is automatically changed to 192.168.100.2 by UBUNTU-VM. It's like having a NAT, whereas I really want my UBUNTU-LXC to talk with it own IP address. Is there any way to do this ? Edit : these info may be relevant : I am using KVM +libvirt to set up my VMs Here is how I create my interface in UBUNTU-VM : <interface type='bridge'> <mac address='52:54:00:cb:aa:74'/> <source bridge='br0'/> <model type='e1000'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/> </interface>

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  • Wireless connection switches off IP address

    - by Sanjay Gupta
    I have a Lenovo laptop with windows XP and a wireless connection at home. The wireless connection works when initially I switch on the computer. but if I leave it for even 5 minutes, the wireless is gone. Then I have to shut it off and start computer all over again, waiting for 5 minutes. Even if the wireless speed is 48Mbps or better, it gives the message "Renewing IP address" and gets stuck there not moving to the next stage. Other laptop in the household works fine and can be left on. Why does this happen ? I suspect that IP address is the problem and somehow is not registered in all the necessary files.

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  • Accessing the physical IP address of a computer on my network that is no longer available

    - by floebs
    I'm trying to find out how to access the IP address of a computer (macbook pro) that I once had on my network at home. Does terminal store the 'connected' or 'linked' computer ID or IP of a networked computer anywhere that I can access after the laptop is no-longer within range? The laptop was part of my airport extreme network, its now out of range (stolen!), and I would like to know if its possible to discover the physical address of that laptop, even though I no-longer have physical access to the laptop. I have my airport extreme configured (somewhere??) to sniff out that laptop if it comes within range, and then connect to it. Where would this 'configured info' be stored on my desktop?

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  • IP addresses not updating, but showing correctly in the DHCP Address Leases

    - by Bobby
    I first noticed this when I tried a RDP to wxp-38-shop and it connected me to the computer wxp-alvinm As you can see in the picture I pinged wxp-38-shop and it shows a different IP then whats given in the Address Leases page (w2k3 server). I tried to do ipconfig /flushdns on the server as well as the client computer, but it didn't update that way. If I do an ipconfig on wxp-38-shop is also shows 192.168.0.153, so why when I ping it from any other computer why would it be showing the wrong IP?

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  • Setting a Static IP Running FreeBSD8 in VirtualBox hosted on Windows 7

    - by gvkv
    I'm using VirtualBox on Windows 7 (host) to run a FreeBSD (guest) based web server. I`ve assigned a static ip of 192.168.80. 1 to the (virtualized) NIC which is run in bridged mode. The problem is that when I ping an external server (such as google.com) I get a No route to host error: dimetro# ping google.com PING google.com (66.249.90.104): 56 data bytes ping: sendto: No route to host ... I can ping the BSD server from both another virtualized machine and my host machine and from the server, I can ping everything on the network. The router ip is 192.168.1.1/16. ADDENDUM: I have the following lines in /etc/rc.conf on the BSD VM to configure networking: defaultrouter="192.168.1.1" ifconfig_em0="inet 192.168.80.1 netmask 255.255.0.0"

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  • Debugging an IP Camera

    - by Kevin Boyd
    Further to my previous question on ServerFault here, I finally can view the stream on RTSP however I still cannot view the camera stream in a web browser. The IP camera uses an activeX control in Internet Explorer. And although I can configure the camera settings from IE, I cannot view the stream it shows connecting for a few sec and shows disconnecting. I have forwarded the HTTP, RTSP and Stream ports of the IP camera. the public port is 7071 and private port is 7070. When I try to see the connections in TCPView it shows that the ActiveX control in IE is trying to connect to port 7070 which is quite unusual since it should connect to 7071 Also the state shows SYN_SENT for sometime and then disconnects. I have really no clue what's going on and why?

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  • Blocking IP address with port forwarding

    - by Jeff Storey
    I have a website setup behind a router, so the router has the external facing address and it will forward requests to the webserver inside the network. If there are X number of invalid login attempts, that IP address will be blocked from logging in. The problem is that because the site is being accessed through port forwarding, all requests show up as though they are coming from the router address, and thus the router address becomes the blocked IP. I'm not sure if this is a limitation of the router (linksys wrt160n) or if this a more general issue. Is there a way to handle this?

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  • bad switchs duplicate my ip

    - by tacoen
    I had a large area LAN. There were many switch and AP on it, then somehow I couldn't ping my servers, and it's said that the IP was duplicated. I use arpwatch and found out that one of the switch flip-flop-ing the IP. I isolated that troublesome switch using his mac-address. But, since this a large area LAN... I doubt this will be the last cases. If there any software or hardware that I can use to prevent this kind of error? Sorry for my bad English.

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  • Accessing locally hosted webpage via public IP

    - by Mk12
    Sorry if this is in the wrong place.I don't really know anything about server-related things, but I'm really curious about this. On my mac I figured out how to make a simple web page viewable via the local ip address or computer name on the LAN, and also how to hook it up with a free hostname from dyndns.com. So the dyndns hostname points to something, how can I access it directly? Typing in the global ip address (of the router) doesn't work, but if it did, how would it know which computer to point to? There must be some way of directly accessing what dyndns hostname points to by typing in some number, right? Sorry I don't really understand how it works.

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  • Block (or only allow certian) incoming IP addresses on Verizon FIOS Actiontec Router

    - by jmlumpkin
    I opened a few ports to the outside of my home network so I can get into a few of my machines from outside. When checking some logs, I noticed that I was getting scanned on some ports from various other countries. I already moved my port forward to a non-standard port. I would like to be able to block specific IP's (or even subnets) from my Verizon FIOS router. There is a little bit of documentation online, but I can't find anything specific on how to do this. To start, I just want to block a specific IP. But if it is not to hard, I would also like to know how to possibly block a range of IPs. And with the inverse of this - is there a way to allow only certain IPs or range?

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  • Excluding four IP's from a /32 static route

    - by Justin
    I have a Cisco ASA routing a /32 of public addresses (non RFC-1812) through a private link. When the device sees the destination address it selects the private route instead of going out over the public network. This works great but I am now trying to exclude 4 IP's from the private route. Traffic to these addresses should go over the public internet instead of being routed over the private network. Can I just add anothe route for these four IP's or do I have to modify the existing route for the /32?

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  • ip recognition is different

    - by Cougar
    some months ago i bought a dedicated server from usa (http://www.dacentec.com/) datacenter. my ips are look like this : 162.248.243.blo blo blo when i check my ip in this site : http://whatismyipaddress.com/ it shows me : ISP: Dacentec Services: None Detected Country: United States why Services: None Detected and what did they do with this ip block? also when i open some sites like google, yahoo, etc they show me india or china as country. what is the problem about these ips and why i don't have a stable location for them?

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  • Unmasking fake IP address

    - by Omousso
    I need to unmask I masked IP..that has hacked my account & a family members account(s)... Can anyone help me...I have know no Idea where to start and know nothing about even where to begin. PLEASE someone reply, this is not a random hacking but someone trying to cause my family trouble...at least my instinct says so. My family member and myself both believe we know who it is.. They have gotten into several of my accounts and I've been acting is I don't know...tracking ip's..but I feel like they are masked! Also, my family member changed there email/password numerous time and they still got in....how?? Any & all help is appreciated!!

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  • Fix invalid objects and components - BEFORE you upgrade!

    - by Mike Dietrich
    We are currently running a Tech Challange Workshop with 25 Oracle consultants and support folks from all over EMEA. We call it Tech Challange because we seperate these experts having between 5 and 20 years of Oracle experience into 5 groups - and each group has to complete their special challange such as moving a database from 10.2 to Exadata V2 or upgrading from single instance 10.2 to Real Application Clusters 11.2 with the new Grid Infrastructure. Actually we start this training with a bit presentation pieces about upgrades, Real Application Testing and Golden Gate. And one topic I always point out: Keep your database tidy before the upgrade!!! Clean up all invalid objects - especially in SYS and SYSTEM user schema BEFORE you upgrade. Use utlrp.sql to recompile invalid objects. Use Note:753041.1 to diagnose and fix invalid components. Do this always BEFORE you start the upgrade. Even if it may take some time. Otherwise your upgrade could fails or significant parts of the database packages could be invalid after the upgrade as well. I just came across this today as one group had ~240 invalid objects in the database - and due to the fact that the original system was still there could proof that the objects had been invalid before. Good job, BUT ... :-)

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  • Python thinks I'm a different IP

    - by Yongho
    I'm trying to set a page that displays the visitor's IP. All the methods I have tried show an IP different from the IP my computer has. I've tried: Looking up http://www.whatismyip.com/automation/n09230945.asp Using socket.getaddrinfo(socket.gethostname(), None)[0][4][0] How can I find the real IP of the visitor?

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  • Allocation of IP Address in Ad hoc systems

    - by Kasturi
    Me and my friends play Age of Empires every weekend and create an Ad-hoc network each time before playing. But each time we all get the SAME IP Address even if a new ad-hoc network is created. Is this something to do with the Game's algorithm or does the laptop remember our previous IP Address. EDIT: What is the algorithm that is used to distribute the IP Addresses? If the algorithm uses random function how come same IP addresses are being allocated.

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  • need an ip location lookup

    - by Tuffy G
    anyone know of a decent site where i can lookup where an ip address is? e.g. if i have ip address x.x.x.x.x and i want to know if that ip is in london or scotland. i've been going around google and what the sites i have found are saying is that ip x is located in location london when it shud be roughly 250 miles away from there. thanks p.s. must be free

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  • Users not getting ip when connected through wifi,but wired connection getting ip in ddwrt router

    - by Kevin Parker
    I am having DD-WRT v24-sp2(05/08/11) running on Asus RT n 13 u B1 router,with dhcp on. But users not able to connect through wifi...its showing obtaining ip address and disconnects there after. Wired Devices are getting ip address and able to access internet.Wifi was working till yesterday,but all of a sudden it stopped working. on the ddwrt controlpanelsystem information under Wireless Clients mac address of clients that are trying to connect are appearing but soon it disappears. but no such issue with wired clients. Can any one please help me in fixing this..

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