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"
Questions tagged [tcpip]
464 questions
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how to force OS using which alias ip address
i have a server running debian with 2 ip address :
eth3 44.44.44.1
eth3:0 44.44.44.2
the problem is my outband request goes with second ip address "44.44.44.2"
how can i force OS to use primary ip address ?
user3325376
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4 answers
Connect two TTYs via TCP/IP
I have two computers running Debian and connected via Ethernet. They see each other. I need to connect two virtual terminals on this computer this way: anything I input in first terminal will be printed in another terminal and vice versa. I read…
michaeluskov
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WIndows is not following TcpAckFrequency settings
This is a wierd one.
I have set the tcpackfrequency to 2 and windows does not seem to honor it no matter what I do.
I would need your help with this. My current template is Internet and congestion provider set to CTCP.
But I still see windows…
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How does a DNS forwarder build its cache?
I know that DNS forwarder cache is build up from responses by the authoritative name servers. But does it build its cache from the requests process by it? Let me explain what I mean.
Lets say I have the following:
host A
local nameserver LOCAL…
theD
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2 answers
List of TCP & UDP ports known to be used by malware, etc
Where can I find a regularly updated, downloadable list of TCP & UDP ports that are known to be commonly used by malware, trojans, etc.?
This is for import into an IT asset management system to help identify devices that might be in need of…
Zek
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3 answers
No route to host after changing interface to static ip
I installed a Linux (Ubuntu) server inside my home LAN, initially it's automatically configured to use DHCP interface. I'm connecting to this server from another computer using that server's hostname. All OK, my router is configured to use DHCP…
Dan K.K.
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1 answer
How does tcp keep a connection alive?
In http ( over tcp) there is a header which called keep "alive"
I dont understand how a connection can be open in tcp if all packets come from different
source ( router decision - over the internet)
Royi Namir
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1 answer
Can two servers talk to each other via TCP by this configuration?
This is an interview question:
There are two servers on Rank A, setup the network on the two hosts by following configuration:
Server A: ifconfig eth0 10.10.15.129 netmask 255.255.255.0 up route add default gw 10.10.15.2
Server B: ifconfig eth0…
J JIA
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3 answers
DNS and OSI Layer Working
I would like to clarify a doubt that's haunting me after learning DNS.
I'll briefly write it as a question.
"A user was watching a video in youtube and suddenly the DNS server which was used by the user(primary and alternative dns) went down". From…
itSupport
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what is meant by application layer protocols being encapsulated into transport layer protocols?
I am reading this wikipedia article:
http://en.wikipedia.org/wiki/TCP/IP_model#Application_layer
It talks about how TCP and UDP are transport layer protocols which are designed to connect one host to another either through connection-oriented or…
JohnMerlino
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Can a large number of network hardware interrupts cause a machine to be underutilized?
I don't know much about networking sorry.
I'm building a client / server where the server streams a lot of data to the client and I'm trying to maximise throughput (through TCP).
If I run both client and server I get pretty high throughput. However,…
Clement
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1 answer
Where is a TCP/IP connection established?
When a TCP/IP Connection is established, is all handled at the network interface (NIC) level or does it also hit the OS kernel?
If so, is it expensive to the CPU (in terms of CPU cycles)?
Stef
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What is the incentive to operate a TCP/IP node?
I mean, why does anybody relay messages to other nodes? Why are these eleven good people below helping me send my bytes to their destination?
traceroute to stackoverflow.com (198.252.206.140), 64 hops max, 52 byte packets
1 192.168.1.1…
pinhead
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Why do we need logical addressing
Possible Duplicate:
Why couldn’t MAC addresses be used instead of IPv4|6 for networking?
If physical address or Mac address is unique why do we need logical addressing?
This because the size and format of Mac address or physical
address is…
Some1.Kill.The.DJ
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