IP - Internet Protocol, the most commonly-used set of rules for dispatching data across a large computer network.

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Use the LAN based IP address to access local Apache on laptop when working outside the network?

<VirtualHost *:80> DocumentRoot "D:/Projects" ServerName 192.168.11.74 </VirtualHost> Why doesn't this work ? How to access websites on the local box (Windows, Apache, MySql, PHP) ...
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1answer
115 views

Which cloud providers which let you spoof an outgoing IP address, and how? [closed]

I have a web application which is load-balanced using LVS which has been hosted within my organization's network to this point. We've used both direct and tunnel routing within LVS, which results in ...
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1answer
93 views

Bandwidth requirement to live broadcast an event on the internet [closed]

I am assigned on project to live broadcast an event on the internet which may have 50,000 user s. This will be a broadcast so all users will see same live video. My query is what would be my bandwidth ...
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0answers
129 views

how change the output IP of every PROXY to it's own IP in CentOS (SQUID- Multiple IP)?

i configured a proxy server in CentOS server using with squid i have multiple ips like these : 192.233.76.1 ~ 100 i've added those ips to my one interface. so every HTTPS proxy works well -> ip ...
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1answer
326 views

vmware vsphere clone vm

this is my first time cloning a vm ubuntu 12.04 production server on a mvware esx enviroment. Thus I´m a bit scared of lose sight of something. The Server is nothing more than a webserver apache + ...
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1answer
177 views

Don't show IIS default page if ip address is visited

A pci company has pointed out that the IP addresses on our server should not be accessible - the sites should just be accessible via the domain name. Currently if you visit one of the IP addresses it ...
2
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2answers
71 views

Can I restrict access to an apache website to a client whose IP address is on an ISP who allocates IP addresses via DHCP?

I have a website which I want to use for administrative purposes. I need to be sure that only people from certain machines can log on. the problem is they are on ISP networks. Will I truely get the ...
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0answers
145 views

What could be the cause for outbound TCP/IP traffic beeing blocked while ICMP is still working?

On a Windows Server 2003 there is a strange issue. Every 6 hours the server don't accept outbound TCP/IP traffic while inbound traffic working fine. If the problem occurs I can connect with RDP to ...
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2answers
110 views

RTP Stream is Visible from Internal IP but not from Public IP

I'm trying to stream an RTP stream to a port on an external ip. When I attempt to load the stream using the internal ip on the pc itself, everything works. When instead I try to stream using the ...
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1answer
122 views

What happens when I run dev server on 0.0.0.0? [closed]

When working on web-apps I'll usually run a development server on my local machine at localhost / 127.0.0.1, and if I need to show a colleague something I will check my ip address with shell command ...
1
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1answer
137 views

How many IP addresses can I expect to block on a Cisco 5500-X Series firewall?

Considering a Cisco ASA (5500-X) firewall for our internet edge in front of our web cluster. At the moment, we use a Linux box with iptables. A log analysis system detects brute-force attacks on ...
3
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1answer
178 views

Error with a vpn client (PPTP protocole) over ssh

I have some errors when I use PPTP over ssh : sudo ssh -L 1723:127.0.0.1:1723 vpn-server@$192.168.1.1 192.168.1.1 is the vpn server ip. When I start pppd (client) whith the following command : ...
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1answer
154 views

How should I search for IP conflicts in static networks?

We have two physically separate static networks with the same subnet, containing a total of some ~100 windows computers (servers and workstations) that we want to merge. If configuration is done ...
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1answer
2k views

Shouldn't we exclude a static IP from the DHCP pool?

In my office, I have a printer with static IP 192.168.0.254/24. Normally, it should be excluded from the DHCP pool in the router. So I just set the DHCP pool to be in the range of 192.168.0.2/24 - ...
1
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1answer
65 views

Redirect from Old Site to New Site on different folder

I want to redirect all request from a url host www.hostname1.com (including all subdirectores-www.hostname1.com/....) to a different url with a different host, www.newHost.com. I have already made the ...
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votes
2answers
778 views

Exchange 2010 outgoing public IP address

I am planning to publish my exchange server what i want is to use a: 1- dedicated ip for sending mails 2- dedicated ip for receiving mails (different than the send IP ) these two ip addresses ...
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2answers
62 views

Change IP Address of a CentOS System [closed]

I have a unmanaged Dedicated CentOS Server running and I've been trying to get a new IP Address for it. My hosting provider allowed me to buy a new IP Address but it's up to me to actually change it ...
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2answers
661 views

what will be the primary IP address of my system if i have two NIC can i change it?

I have two NIC configured on VM's one IP is assign by DHCP on 172.26.43.XX VLAN and 10.10.10.XX is static ip I am installing cloudera beta 5 on these VM, while detecting the host cloudera is ...
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2answers
137 views

Router see IP alias? [closed]

On my Win7 host machine, I have two VMs which I test network/server stuff. On one machine I created an IP alias using the following commands from ...
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2answers
83 views

Is recipient's MAC address necessary for TCP connections across the internet? [closed]

I want to estabilish TCP connection over the internet between 2 computers which are in different local networks (the local networks use wifi). I have looked for description of TCP protocol, ...
2
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2answers
51 views

Are only IP-Addresses Blacklisted or also Domains?

Unfortunately one of the forms of my website was used to send completely sensless spammails. As I found out through "http://mxtoolbox.com" that my IP-address is listed on two blacklists, I want to set ...
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1answer
53 views

How can I ensure HTTP requests from many servers goes through one IP address? (i.e. client-side load balancing)

We have many machines that for security reasons need to communicate through a somewhat static set of IP addresses. ("Somewhat" meaning, manual maintenance once in a while is okay, but new IPs cannot ...
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votes
1answer
59 views

How do I ensure a REST API does not have a bottleneck when it receives requests? [closed]

I'm creating a REST API that will listen on a public URL and accept uploads of large amounts of data. I understand how to scale software processes using message queues, but what I don't understand is ...
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3answers
107 views

How many packets will it take to send particular data?

If I know the maximum packet size is 1500 bytes say for Ethernet frame v2 then for example I want to transfer 1 KB over the Internet which is roughly 1024 bytes. Will the packet be split into many ...
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0answers
85 views

Can a source send two fragmented IP packets at the same time?

I'm developing an app that does NAT between a virtual TAP interface and a physical interface, and I'm not sure how much buffer should I allocate for IP fragmentation. According to Wikipedia the ...
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2answers
2k views

how to unblock my https website when its blocked by a specific country?

I have a website, more like a webservice that serve some applications, my service has been blocked in a specific country, only the https version is blocked. i need to keep using the ssl certificate ...
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1answer
60 views

DNS propagation: A record and IP change on domain panel and VPS?

I'm moving my website from a VPS to a dedicated server. In my Domain administrative panel there is a DNS zone where i've changed the A record from the previous IP address to the dedicated server's ...
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2answers
64 views

Domain/IP mapping behind router

I have a small office in a larger office building. We use a "shared" internet connection maintained by the building, behind several layers of LAN infrastructure that we do not control. I want to ...
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2answers
55 views

How do proxy servers change their IPs? [closed]

A lot of proxy servers say that they change their outgoing IP addresses every X hours (many seem to do it twice daily). How they do this? Is it something that a hosting company would do, or an ISP?
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1answer
46 views

How to point a domain to a dedicated ip

In my domain account while trying to update the nameservers , they are asking for hostname and ip. I have ip alone , how to create a host name. I am using windows server 2003 .
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0answers
40 views

Binding of IPs not working

I have two IP address ranges in my server. CentOS 6.2 The first one, is ok and working Then second range is suposed to be binded to eth0, using the cloning resource available in RedHat systems. My ...
3
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1answer
81 views

MPLS: choice of initial label for an incoming packet

At the entry of a MPLS tunnel, which packet fields are used to determine the label of an incoming packet? Here it says that there are other attributes that are taken into account besides the IP ...
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2answers
281 views

What is the KRYPTOLAN protocol?

I've searched for a while and can't seem to find any information on what KRYPTOLAN is. For the transport layer, IP protocol number 0x41 is assigned. In addition, ports 398/udp and 398/tcp are also ...
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1answer
66 views

Assign a public IP address to new Amazon Instance

My Amazon Instance got terminated accidentaly. This Instance was having an IP address associated with itself so that it can be accessed from internet. Now I have created another Instance from the ...
0
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1answer
297 views

tried to spam postfix, doesn't log IP address

I've had some serious spam issues with my local postfix installation, until I found out that there was a postfix user wich was allowed to relay mails (I still don't know why this was possible in the ...
1
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1answer
120 views

2 servers with 2 ip adresses cant ping each other

I rent 2 root servers from my provider that run Ubuntu 12.04.01 LTS. I ordered a second ip for each of them and configure them in /etc/network/interfaces as follows: iface eth0:1 inet static ...
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3answers
90 views

Can I set up port forwarding to emulate not just a port but another IP address?

I am running a proprietary Windows application which functions like a server. You install the program, and then it broadcasts itself over port 13083. The program is web-based, so it's accessed ...
3
votes
3answers
260 views

Why does operating system need to know subnet mask? [duplicate]

If I understand correctly, the operating system gets subnet mask together with IP and other stuff from the DHCP server. And this subnet mask seems to be important for router because it knows if packet ...
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4answers
303 views

IP address and geolocation

I very well know that this has been asked quite a number of times here itself but folks please give this question a read. Plus I'm giving my best to phrase this question, hence the Prelude/Question ...
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1answer
305 views

Add IP address to Ubuntu 13.10 and separate webserver requests

I've got a Ubuntu 13.10 VPS server with 1 IPv4 (111.111.111.111) (and 1 IPv6 address). I recently requested an extra IP address (222.222.222.222) but I can't seem to figure out how to add the new IP ...
1
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1answer
70 views

IP translation for proxying IP web address with no dns entry

We use a dns based proxying system, which proxies certain addresses based on the dns entry, so for example for website1.com the dns return the IP if the proxy, and the request is sent though that, but ...
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votes
1answer
25 views

rerouting name to ip on local network [closed]

i created an intranet (lamp) and now i have to make it visible using this url intranet: the solution i found was to put in each computers (mac, windows) this in the hosts file using the ip ...
1
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1answer
122 views

Monitor a ucarp VIP using another interface

On Debian machines, I would like to setup a VIP between two nodes for a public IP, but I would like to avoid using three IP addresses to make ucarp communicate between the two nodes. Can I set it up ...
1
vote
2answers
64 views

Make NginX serve different pages depending on the IPv4 encoding base

You can access google on 186.215.155.54 , 0xBAD79B36 or 3134692150 (remember to put http:// before if you want to try). How is the base conversion handled by the browser? Is there any way for NginX ...
2
votes
1answer
144 views

How to View the IP routing table

How can I see ip routes I've added with ip route add default via x.x.x.55 table test1 for example I added 199 test1 and 198 test2 and 197 test3 to /etc/iproute2/rt_tables then I run: ip route add ...
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0answers
46 views

squid as parent of url filtering

I have this situation: client -> url-filtering -> squid -> internet The squid proxy sees all clients as a single IP ( of url filtering) so I have a lot of connections from a single IP. Squid is the ...
0
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1answer
28 views

Associate Multiple IPs to a EC2 instance

I have learned that one can associate multiple IP address to an instance in Amazon VPC. My question now is, I run an application (CLI based script which sends HTTP requests) on the instance and want ...
0
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1answer
139 views

Server with multiple ipv4 addresses adding ipv6

I've got a dedicated Centos 6.5 server with nginx and 2 ip-addresses (these are 2 ip(v4)-failover addresses from OVH) for hosting 2 different websites on the same server. I want to add ipv6 addresses ...
3
votes
2answers
170 views

New IP addressing from ISP

We just got a new Internet fiber service. Our ISP gave us a /30 for WAN and /29 for LAN? I have never seen this when setting up a new ISP service. I was always given a block of ip addresses (if ...
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0answers
21 views

graceful tunnel remote change

I want to solve a networking problem: Say I have 3 machine A, B, X in a local-network, where user have access to network resource of X's network interface tunX, which is a tunneled interface connects ...