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Questions tagged [tcpip]

TCP and IP are two important protocols used in networking today. Due to their importance, the Internet Protocol Suite is also commonly known as "TCP/IP"

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how to implement elastic ip like architecture in private server farm

what are the ways by which I can implement elastic ip like architecture in my private server farm? There is only one global ip available but I should be able to ssh any server from external network by implementing the same mechanism as aws elastic…
shreyas
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connection established, waiting

I work for some administration. We are responsible for app development, I'm personnaly responsible for the software application servers (Glassfish) and there is a team which manages the infrastructure (network, load balancer, oracle db, physical…
ymajoros
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Trying to get DNS services running on Windows Server 2008 R2, what am I getting wrong?

Ok, So I am basically trying to get a home server pc up that will provide Domain name services, act as Mail server and web server. I have one static IP, well it's not officially static but hasn't changed in two years so I'll call it static. I have…
LaserBeak
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Building test environment inside Hyper-V - Adding machines into a Domain

I am currently building a test environment with 4 servers inside Hyper-V. One of the servers is a Domain Controller, the other servers will be a member of that domain. All machines are on an internal hyper-V network, I have then set up the wireless…
Shiraz Bhaiji
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Variable port forwarding dependant of iptables rules

I want to setup a special SMTP environment: two different SMTP servers that should be transparently accessed from SMTP clients. Let's say I have a RFC compliant Postfix running at 192.168.0.1:25 and a RFC ignoring server fooling clients at…
mailq
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How to capture postscript output via TCP/IP? (for testing purposes)

We have a propriety system that talks to various printers across multiple sites via TCP/IP. The system only outputs Postscript, which obviously sends via TCP/IP. I'm really wondering is there any kind of software that I could install my PC which I…
Michael Galos
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How to do MAC based one to one NAT on Linux?

I have a linux machine running ubuntu server with 2NICS (WAN and LAN). I want the LAN side machines to use the linux box as a gateway to get on the internet (WAN side). The only problem is that the LAN side machines will have static IP's and cannot…
Malinda
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Connecting to a Windows server that has an active VPN connection

In my company we connect to various customers using VPN. We have a dedicated Windows server where the VPN clients are installed, and if we need to do customer support, we have to physically log in to this server and connect. We cannot log in to this…
Nils Magne Lunde
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What is a RP Paket in a tcpdump log?

I have a tcpdump log with the following entry: 14:53:31.428570 IP 10.4.65.65.16666 > 192.168.201.10.80: RP 587:687(100) ack 48545454154 win 0 My Problem is that i have never seen an RP paket before.. What does it mean? Is it kind of a reset…
Fake4d
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Windows Server 2008R2 - can't change or remove the default gateway

We've installed VMWare Server 2.0 on Windows 2008R2. After some time playing with it (actually only removing host-only and nat networks, and binding adapters to the specified vmnets) we've noticed a strange problem: if you change or remove the…
disserman
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ping problem from a single host

I've a host 10.10.10.1 which i can ping from other machine but ping was sudden stopped from nms machine where the above IP is being monitored 24/7. any help? It has being to work so now i'm unable to check in more details. If issue persist. I'll…
User4283
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TCP/IP Printing Issue in Windows Server 2008

I am running Windows Server 2008 R2 Entrprise in a VM on my laptop. I am having problems setting up a printer. It's an HP PSC 1355 - drivers were installed automatically when I plugged the device into a USB port. I enabled the Print and Document…
Jazza
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Help me understand Public/Private IP space and NAT

I just started working at a small-medium sized business after graduating school. So much of my knowledge is high level concepts without a lot of hands on. My understanding that according to rfc1918 only the following IP ranges are for private…
CT.
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No transmission via IP

I'm using netstat on Win XP to check protocol transmission details for TCP, IP, and ICMP. There is transmission only in TCP. No transmission in ICMP is understandable since it's for errors and I assume that there were none, but why is there no…
Richard
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capture traffic between boards at PC using wireshark

I have two board connected using ethernet interface by means of switch. I have a linux machine connected to the switch where I run wireshark. I assign same IP address range for both boards and the PC. I m able to communicate between all the…
kumar
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