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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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Routing to a different gateway depending on destination for Windows Network

I have a small network on a single VLAN 10. It's a 192.168.100.x network with a firewall/NAT sitting at .254. Our company relies on some data feeds that are brought into the network via dedicated circuits (T1's). The routers for those dedicated…
Mr Furious
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Why I cannot access EC2 instance public IP from inside of instance itself?

Here is an example, I have an Linux instance , say, private IP is 10.10.10.10, public IP is 54.54.54.54. Inside the instance, I could successfully ping it's private IP(10.10.10.10) and localhost. However, I cannot access it's public…
Wenbing Li
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What is TCPIPv3

I have been reading at quite a few places about TCPIP v3 being out ... I wanted to know what is this TCPIPv3 and what are differences between 2 and 3. I tried to google out the answer but could not get anything solid. Thanks for your time. -Nikmi
IMKIN
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Network device to change IP address within packets

I have an appliance with a class C IP address, for example 192.168.0.10. I can't or don't want to change this IP address. However when I connect this appliance to my network I want it to appear to have a different IP address for example…
None
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Early tear down of communication

I have an application which performs an LDAP search which works in one domain but not in the other, when analyzing the packets sent between the application server and the domain controller being queried on the non working domain I only see the hand…
user3129787
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External DNS takes a long time to resolve for AD computers

On our AD domain, end users desktops take a long time to resolve DNS from outside our company. Internally everything works fine. The desktops are pointing pointing to 192.168.2.4 and .6. Those are the two domain controllers. .6 is currently down…
Keltari
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Connection Timeout Issues - Solaris 11 SPARC

We're currently running some performance tests using Solaris 11 (SPARC) on some large hardware. The tests, which consist of sending SOAP requests (50kb per request), are running well up until we get into the multiple of thousands of users i.e…
user3474444
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how to make standard ssh port a stealth port?

I'm running a personal ssh server on a nonstandard port. If someone tries to log into my ssh server thru the standard port 22, it seems that the server sends "Connection refused" message. $ ssh localhost ssh: connect to host localhost port 22:…
RamyenHead
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Port forward remote desktop without a gateway over 3G modem router

I'm trying to connect from a laptop, through a VPN, and a 3G modem/router, to a remote PC / computer. PC (192.168.1.33) | 3G Modem (192.168.1.22) | [3G internet, connecting to VPN] | Modem VPN IP (192.168.0.3) My laptop on VPN:…
Rhett
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TCP client and server work for X times but hang after that

I'm a software engineer, but I think my problem needs a network engineer... For the software side of things, have a look at my Stack Overflow…
Michael Balloni
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Could the IPG parameter in Robocopy cause TCP/IP packet problems if it is too high?

I need to throttle a robocopy transfer to limit bandwidth usage. It is already set to 1500 (/IPG:1500). I would like to increase this IPG to around 2000 (or more) in order to lower even more the bandwidth usage. Is there a chance that it could cause…
Idriss
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Where to find WINS IP address in registry?

I have been writting a powershell script to remotely dump the TCPIP information from the registry of machines in my Windows Domain. I was able to dump the default gateway, subnet mask, DHCP server and DNS server. However, I could not find out…
Blue Tongue
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is it possible to use ms loop back adapter to setup local vlan

Is it possible to use Microsoft Loop back adapter to set up Lan connection between two computer which is logically isolated from the main network? 1st computer: has a regular ip…
zman
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Slow data transfer between Server 2012 and Windows XP/7 Clients

I've installed a new Dell PowerEdge R720 server at a small company which eight workstations. It is running Windows Server 2012 Standard. I've then installed Hyper-V (role) onto the server and created a virtual instance also running 2012 Standard. An…
David Mackey
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Thousands of port 25 connections

Tonight a few IP addresses made almost 2500 connections on port 25 of a mail server. 2500 is the max limit, and 50 or less simultaneous connections is normal. They did nothing once they made the connection. The IP addresses belong to Facebook…
xpda
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