Networking Protocols

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Networking software modules are interfaced with a framework implemented on the machine's operating system that implements the networking functionality of the operating system. The best known frameworks are the TCP/IP model and the OSI model. Systems typically do not use a single protocol to handle a transmission. Instead they use a set of cooperating protocols, sometimes called a protocol family or protocol suite.[9] Some of the best known protocol suites include: IPX/SPX, X.25, AX.25, AppleTalk and TCP/IP. Other protocols indirectly related to networking include the hypertext transfer protocol (HTTP) and its related technologies, Dynamic Host Configuration Protocol (DHCP), Domain Name Server (DNS) and other Internet protocols.

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I would like to create a home server which will allow me to do the following;

1. Allow me to access all my files, videos, music, photo's etc over the internet from all devices - note my devices, ip…

425 views
Course: From Zero to Hero with Nodejs & MongoDB

Interested in Node.js, but don't know where to start or how to learn it properly? Confused about how the MEAN stack pieces of MongoDB, Expressjs, Angularjs, and Nodejs fit together? Or how it's even possible to run JavaScript outside of the browser?

Hello:

I have a situation where I have 2 different ISP's both providing GigE service to a single Cisco 7206vXR router. I have BGP configured, but when I look at the traffic flows almost all traffic…

1529 views

I support a 10 person factory assembly line. They currently use serial barcode scanners using long serial cables connected to a single workstation via long serial cables running Winwedge which collect…

317 views

When configuring ASA failover on a live network, will the ASA's at any point in time drop their connection/restart or on anyway stop operation?

310 views

I am wondering if anyone can tell me if I am able to set-up multi port forwarding on a TP-Link Archer D7 modem.  I have a client who is set-up on a peer to peer network, so no Server to manage incomin…

323 views

I am forced to urgently move exim mail server to different server. Exim4 was installed on old server with lots of different other services. So, now I want to devide services without making any changes…

223 views

I have a window server on amazon EC2 and want to join it to the network in the office so it can replace the server in the office and provide the all services a server provides to all workstations and …

1955 views

Hi experts,

I am looking to adding a few switches to my network for clients to connect to the internet via hard lines.  My problem is that, i worry that some users will connect a router or switch t…

1026 views

Hi Team

How do I configure on a Cisco router with a port forwarding rule restricted to a specific WAN IP?
Rather than everyone on the internet can RDP, but only coming from one WAN.

Thanks

332 views

I have an Apache module which needs to find the "real" IP address of its host.  This became an issue after my own server went behind a firewall; the previous use of gethostbyname then returned 192.168…

219 views
Highfive + Dolby Voice = No More Audio Complaints!

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Hi experts,

I have cisco controller 2500 and cisco access points and through out the company all the laptops can connect with no issues.

I have one laptop that would not connect to the wifi. I…

3239 views

Hi guys,

I have an HP 2920-48G switch. I'm setting it up for the first time.

Why is it that when I enable IP routing on there, it suddenly takes away the ability for me to enter a default gate…

240 views

Can Viruses spread while transferring data Files via FTP protocol across a network ?

I have a backup server application running on a machine that is not shared and is not connected to the internet,…

637 views

HI,
I was reading : https://tools.ietf.org/html/rfc5246
And came across this line :
The server
      may return an empty session_id to indicate that the session will
      not be cached and ther…

338 views

Is this considered the global routing table?

OSPF RIB - Show ip ospf database (ospf's table)
EIGRP RIB - sh ip eigrp topology (eigrp' stable)
BGP RIB - show ip bgp (bgp table)
Global RIB - show ip ro…

129 views

HI,
I typed in https://www.google.com and captured the result in wireshark. Here is a snapshot of client hello packet :

As i read that in this Client sends the highest TLS version it supports.

143 views

We currently use ultraDNS for hosting all our DNS.
We pay $1,750/month for the package of 100 domains/500 records / 10 millions of queries. We actually get about 7.3M queries average monthly.
I fe…

324 views

HI,
Here is my understanding of STUN.
Device A which is behind NAT wants to discover its public ip address so sends a request to STUN server.

A->B->C->D (public ip) -> E->F->G->STUN server
So th…

431 views

Using Chrome on W10.  How can I see the ip address of the currently displayed page in Chrome?  Note: I'm not looking for a DNS translation -- I believe that can give me one of multiple ip addresses de…

2744 views
 Java Android Coding Bundle

Whether you're an Apple user or Android addict, learning to code for the Android platform is an extremely valuable, in-demand skill. It all starts with Java, the language behind the apps and games that make Android the top platform it is today.

Looking to connect Macs directly to an Azure file share. Can Connect to Server.. connect to the share using an Azure access key?

336 views

I backup our Cisco Call Manager to a SFTP server. I downloaded the free app. freeFTPd and it works pretty well. The only problem is, I have to log in to the server, open the app, make sure SFTP is run…

636 views

Is it a good idea to have this enabled on the interface between a L3 switch and router?

736 views

Hello:

At my work we have a few Networking appliances that we have associated DNS names with internal IP addresses.  For example we may have a EMC DD160 (Storage) associated with the Name DD160A wi…

640 views

I just signed up for Azure Virtual Servers,  using windows 2008R2. I installed Gene-FTP server on that machine
Now I am trying to connect to it but even though i have tried every other configuration …

541 views

HI,
I have few question regarding how a packet will be forwarded
1) How will the packet be modified from each hop one router to other.
2) what will the final packet that arrives at the destination …

1870 views
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