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

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-2
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1answer
176 views

How to run a website domain without redirecting if IP is already used for another website? [duplicate]

I bought a VPS Host that gave me only 1 IP Address which I used on my first domain name and it works without any problems. Now my second domain name I can't use the same ip address as it points to ...
0
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0answers
259 views

ZNID24xx-Router public IP

I need to make my public IP the same as my internal one. My router is ZNID24xx-Router, and i'm trying to change the config of port forwarding, but i'm not certain this is the right thing to do and i ...
-3
votes
2answers
67 views

DNS Server; Different Ports to different IP's [closed]

I have 2 servers with (of course :D) 2 IP's, for example: 123.456.789.101 & 101.987.654.321 Now I have a domain example.tld and want all requests go to 123.456.789.101, except the ones which hit ...
1
vote
0answers
76 views

heartbeat doesn't work on virtual interface

I try to use vertual interface as broadcast for heartbeat(bcast in ha.cf). When I try it I see this message in syslog: May 23 12:17:26 Ubuntu2 heartbeat: [1107]: ERROR: glib: Error setting socket ...
0
votes
1answer
48 views

IP Forward at router

Is there any way to set a router to simply redirect all traffic to another wan IP address? For example, I have a static wan ip of xx.xxx.xxx.123 and I want to forward all traffic to xx.xxx.xxx.124 ...
-1
votes
3answers
246 views

What happen when I assign 2 IP on one NIC? [closed]

What happen when I assign 2 IP on one NIC? e.g. I have one physical NIC (eth0) and I assign on this interface 2 IPs from different network. e.g. auto eth0 iface eth0 inet static address ...
0
votes
0answers
79 views

Jetty and IIS on same server, different IPs

I have Windows Server 2012 R2, fresh install and I am running there IIS for .NET applications, now for many different reasons I want to run Jetty on a same server. IIS is setup to listen only on (for ...
0
votes
1answer
95 views

Why does IPTraf show multiple MAC addresses for my interfaces?

Hopefully a simple question with a simple answer. I thought each NIC had a single MAC address. However, as can be seen from the IPTraf output below, I have multiple MAC addresses for both my eth0 and ...
0
votes
5answers
2k views

Static ip using a router and DHCP [closed]

I have been trying to understand and achieve assigning a static IP address to my machine, while being connected to a router (WiFi) and using DHCP. My scenario is thus simple, but I think I missing ...
0
votes
1answer
77 views

i2b2 VM: Copy VM won't give me a valid IP address

After downloading a VM image and making a copy of it, I tried booting up both of them on the same Windows workstation using VMWare Player. I am unable to get an IP address for the second one in my ...
0
votes
6answers
187 views

How can I ssh to a firewalled server without a static IP?

I need to SSH into a client server that has an IP whitelist as part of access control. I don't have a static IP - sometimes I work from home, sometimes the library, sometimes a coffee shop, etc. How ...
0
votes
1answer
195 views

Using DHCP, is it possible to obtain an IP address & MAC address for a cluster? [closed]

I know that DHCP assigns IP addresses, but does it also assign a MAC address? Is this a commonly used paradigm for cluster/cloud computing? Perhaps DHCP could be used to dynamically assign a new IP ...
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votes
1answer
486 views

Why Are There Only 65,535 Ports, and Will We Ever Have More? [closed]

I understand the original reasoning behind having 65,535 ports per IP address: this is the highest number that can be represented by a 16-bit, or 2-byte, number, and it wasn't conceivable that ...
1
vote
1answer
62 views

2 ips on 1 port vs 1 ip on 2 ports

Background I have a PHP-FPM sitting behind an Apache server. As I need to use two different configurations for PHP-FPM, I can configure it to be connected either on: 127.0.0.1:9000 and ...
3
votes
3answers
5k views

Block range of IP Addresses

I am getting bombarded with attempted hacks from China all with similar IPs. How would I block the IP range with something like 116.10.191.* etc. I am running Ubuntu Server 13.10. The current line ...
0
votes
1answer
2k views

can't access vSphere when rebooting vCenter Appliance

My root passw for vCenter Appliance has expired and I need to boot it from Linux Live-CD in order to recover it, now whenever I reboot the vCenter Appl. within the vSphere console, I loose connection ...
0
votes
0answers
112 views

localhost answering wrong ip

No idea how/why, but here's what I'm seeing. Consider 3 CentOS 5.10 boxes: Host A [10.1.2.7] Host B [10.1.2.8] Host C [10.1.2.9] All of a sudden we're getting strange behavior from Host X, ...
1
vote
2answers
69 views

Hosting server IP address doesn't match A record but still resolves, website loads ok?

Pretty confused by this, I have a website which is on a Fasthosts shared hosting package, the server IP is 213.171.xxx.x However when you do a DNS lookup the A record is a completely different IP ...
0
votes
1answer
45 views

find static defined device on network

I have a 'simple share nas' that I am unable to discover on my network. It will not show up on the client list of my router, but I believe it is statically set to an adress for the auto discover ...
0
votes
2answers
296 views

Port forwarding between 2 routers and wrong IP at the end

So here is the situation: I have adsl modem connected to 1st router "A" - local IP 192.168.2.1 I forward SSH port to 2nd router "B" - IP 192.168.1.1 On router "B" I forward SSH port to machine - ...
0
votes
1answer
235 views

Cannot access phpMyAdmin website with regular browsers, but with Tor

I'm having a weird problem: My os is MacOsX 10.8.5. What I try to do is to go to phpMyAdmin website and download the latest version. The problem is that the phpMyAdmin website won't load with ...
1
vote
1answer
3k views

ping works but ssh fails

machine1 IP: 172.30.11.119 machine2 IP: 172.30.11.120 machine3 IP: 172.30.11.121 machine4 IP: 172.30.11.122 Note: These machines are connected to LAN. I have configured the static ...
0
votes
1answer
29 views

Traffic on IP which is not being used?

My server (Debian 7.4, x86_64, Proxmox) has 4 IPs. One for the VM Host (call it A), and three that I use for virtual machines (say B, C and D). Currently, only B and C are used, the D address is not ...
1
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2answers
295 views

How do I redirect to different backend server based on URL using Apache?

I'm a newbie to Apache, sorry if this is a documented solution somewhere. I have been scouring the web and can't seem to find this answer ... I would like to redirect traffic based on the URL coming ...
-2
votes
1answer
420 views

Get instance-id of EC2 instance via Java [closed]

I have an AWS EC2 instance deployed as a server, and I need to find out its public IP. Howver, to know that I must first know the instance-id of my instance. Objective: I have a Java code running ...
0
votes
3answers
113 views

Can you access an EC2 server from another AWS account?

If you have an EC2 server with a port open, then other EC2 servers can access it (using private IP). But, what if another AWS account hits that private IP, will they be able to access it?
0
votes
2answers
143 views

Any gotchas when using the lowest and highest IP addresses in a small block?

OVH offers additional public IPv4s in blocks as small as /30, that is 4 IPs total. As I understand it, strictly speaking two of those are supposed to be unusable. However, OVH allows me to route those ...
-1
votes
1answer
137 views

Reading tracert output - what does this address mean?

7 7 ms 2 ms 3 ms 83.149.18.148 8 * 78 ms * ae52.edge7.Frankfurt1.Level3.net [195.16.162.53] 9 * * * Request timed out. 10 80 ms 80 ...
1
vote
2answers
445 views

RDP to machine on network with different subnet

Our broadband router has just been changed and our network which was on 172.18.2.xxx is now 192.168.9.xxx. All is fine but I have one box which we used to RDP into and which has no screen mouse or ...
1
vote
2answers
5k views

Can't access local web server using remote ip from within LAN

Since I've change my ISP, the current router (ADB P-RG A4202N) won't let me access my web server from within my local network using my remote IP or no-ip host - it redirects me to the router config ...
0
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0answers
78 views

Linux Loop two ethernet interfaces

-1 down vote favorite I would like build a topology like this one : [ eth1 <--> eth2 SAME PC] Where two interfaces ping each others without going through the local machine, as they were two ...
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votes
1answer
58 views

Is there any affinity between IP subnets and DNS domains? [closed]

I understand what DNS and name servers do. But one question that I have is whether there are any technical, or convention oriented, relationships between DNS domains and IP address space. ...
2
votes
1answer
226 views

Assign different Hostname to different NIC

I have four network card on my server, I have assigned each with an specific IP now I want to set an different hostname for all the interface? What is the difference between setting the hostname in ...
1
vote
2answers
98 views

Restrict access to service to WiFi users

I would like to restrict access to a cloud service based on the network where the requests are coming from. I have control over both the network, and the cloud service receiving requests from within ...
1
vote
1answer
39 views

How do I send a different subdomain to a different IP, if two IPs are on the same VPS?

I have a VPS with three IPs. They're all on completely unrelated IPs (one is 23.226.xxx.x, another is 107.161.xx.xx, a third is 167.88.xxx.xx). If I go to beta.mydomain.com (for example, that won't ...
0
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0answers
150 views

Tracert of a spoofed IP results in Infinite Loop

Our firewall picked up a spoofed IP address that caught my attention. When I did a tracert to the spoofed IP address I get what I think is an odd response. Tracing route to 192.168.1.7 1 1 ms ...
1
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0answers
83 views

How often does the geolocation associated to an ordinary IP address usually change?

Can anyone tell me how often should i expect a routable IP address (either v4 or v6) to have its associated geolocation (country + city level) changed, in average? I'm asking this because i'm ...
1
vote
1answer
115 views

Bridging is breaking the server: KVM configuration

I'm pretty new to networking and just can't get my head around this. I'm trying to setup KVM-Qemu so I can run some virtual machines. The instructions I'm following are telling me to use eth0 and ...
0
votes
1answer
155 views

Show real TCP/IP addresses behind Nginx environment

When i execute the command netstat -atun | awk '{print $5}' | cut -d: -f1 | sed -e '/^$/d' |sort | uniq -c | sort -n I see high number of connection assigned to server ip I want to see the real ...
1
vote
1answer
202 views

One IP for whole LAN, provide access to local server outside the LAN [closed]

I have a LAN with multiple PCs and some servers. I would like to provide access to one of the servers from outside the LAN. The problem for me is I have one IP address for the whole LAN. The server is ...
0
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0answers
26 views

Jumphost VM not able to communicate with LAN

I have setup a jumphost VM on WinXP. It has 2 NICs. NIC1, which is the LAN, has the following IP settings: IP: 10.0.0.1 /24 (No default/ DNS configured) NIC2, which has external connections, has ...
0
votes
1answer
544 views

How can i get ip address of client connected to remote desktop

I have this environment: I have one windows server with many client that will connect to it in remote desktop. For each client it creates a new session asa it connect to rdesktiop. What i need is ...
0
votes
0answers
91 views

Edge firewall on Ubuntu, dynamic IP address, static DNS

We're setting up a software firewall, and one of the issues we're facing is that eth0 has a dynamic IP address. In /etc/network/interfaces we've got the following: # The loopback network interface ...
1
vote
3answers
156 views

drop ips with iptables from awk result [closed]

I have a log file like this : Frq:15 IP:0.0.0.0 Date: 2014-03-21 12:19:31 AM Frq:9 IP:198.252.206.25 Date: 2014-03-21 12:19:31 AM Now i get column of ip addresses with awk : cat /tmp/test | awk ...
-2
votes
1answer
47 views

SOHO Routers and Non-Standard CIDR Blocks [closed]

I recently learned about private networks. From what I understand there are three address ranges for use in private networks: 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 If this is the case, then why ...
0
votes
3answers
431 views

Wrong IP address has been set to ESX server

I have an ESX server without direct console access (disabled). The server has wrong ip address (broadcast ip address) and I have no way to connect to it. How can I change this IP address or connect ...
0
votes
3answers
145 views

Would blocking an entire ip range of a country potentially hinder performance?

We've discovered a lot of brute-force attack attempts on our server originating from a particular country. We plan to block all incoming traffic from that country, but it is quite a list. To be safe, ...
0
votes
1answer
112 views

Create a trigger when a mobile connects at network [closed]

I'm a complete dummie on Network subjects. I'm trying to create a log, when a specific iPhone/Cellphone connects into a wireless network. The main goal is pull a trigger (create a log file, send a ...
0
votes
1answer
286 views

How to access a domain or its subdomain from the Local Area Network in Nginx?

I've got a local server configured with Nginx, PHP5-FPM, MySQL and some other stuff. I'm hosting two sites. One static website using Twitter Bootstrap and a theme: at www.example.com One WordPress ...
0
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0answers
114 views

Debian on VM has web access but can't be pinged

I have just installed Debian on a Virtual Machine. I have internet access on the VM and installed SSH. I then did a ifconfig and discovered that the IP address is 10.0.2.15 which is strange as the ...