TCP/IP

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Transmission Control Protocol/Internet Protocol (TCP/IP) is the set of networking protocols that define end-to-end connectivity specifying how data should be packeted, addressed, transmitted, routed and received at the destination. This functionality is organized into four abstraction layers which are used to sort all related protocols according to the scope of networking involved.

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I am trying to echo a users IP address. If I use :

(CODE)

it outputs ::1 for some reason?

819 views
How to run any project with ease

Manage projects of all sizes how you want. Great for personal to-do lists, project milestones, team priorities and launch plans.
- Combine task lists, docs, spreadsheets, and chat in one
- View and edit from mobile/offline
- Cut down on emails

I have a problem with some advanced routing.  And although I passed my TCP/IP training courses, it was many years ago....  

What I need to achieve.  I have a hotel, not actually mine, they have a n…

216 views

I need some VBASCRIPT that will scan an IPv4 address in column A of an Excel Spreadsheet and output the mac-address in column b, the name of the device in column c, and whether it is IPv6 compliant in…

727 views

Hello,

I have a pretty standard DirectAccess setup and everything works from the client side. Clients on DA connection can ping/access all internal resources. However, the reverse does not work. …

313 views

In previous versions of IIS (before 7), you could create a Virtual directory under your FTP site w/an alias the same as your user. The user would then land in the physical dir' specified in the Virtua…

828 views

This one has been a killer. About 3 weeks ago Comcast replaced their router which caused me to resubnet this network. I didn't think it would be hard. One Server, Twent workstation (DHCP) and three st…

5141 views

I need to assign a VM to the same IP/subnet and gateway as a production host (for staging purpose) and isolate it so that it doesn't conflict with the production environment but at the same time, stil…

137 views

Got a small Windows 08r2 domain, one DHCP server.  Lately, several of my desktops, with a wired connection, are getting a 192.168.... IP address...and the DNS suffix is showing....wait for it....."Goo…

843 views

If someone has my mobile phone's IP address, are they able to identify my location? I

If so, how?

1344 views

This is a follow up question to this one:
https://www.experts-exchange.com/questions/28967640/Subnetting-Network-with-six-subnets.html?anchor=a41784308#a41784308

I have the IP address 192.168.50.0…

341 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?

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…

326 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…

439 views

Hi,

I have HP pavillion windows 10 laptop. The wireless suddenly drops. It says wifi is off etc. It is happening once in a day atleast and only way i can access wireless internet again is restartin…

1938 views

Hi,
My ISP gave me a /30 address that is to be used to route my /26 block of IP addresses.

/30 block
3.3.3.3 ISP side
3.3.3.4 my side (Fortigate firewall)

/26 block of addresses
5.5.5.5 /26…

641 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…

2748 views

Hi,

I've given up tweeking various IP security cameras to send images etc correctly, so i'm looking instead to monitor them externally.

First step is the make the cameras accessible outside the …

2579 views

I have a CentOS VM that has two network interfaces. One interface is connected to our "public lan" that that the other Windows servers and end users are on. The other interface is connected to our "pr…

238 views

Hello experts,

I have a question and this always comes up.

I have a computer in another branch and this computer is support to receive commands from a controller located in another branch.

1138 views

Using vb6 winsock

On server IP,   111.222.333.444
Program A.exe keeps listening to port 1234

On Client from any IP,
Program B.exe uses a random port, sends request to IP 111.222.333.444  (serv…

440 views
How to run any project with ease

Manage projects of all sizes how you want. Great for personal to-do lists, project milestones, team priorities and launch plans.
- Combine task lists, docs, spreadsheets, and chat in one
- View and edit from mobile/offline
- Cut down on emails

Dear All,

My website domain is still pointing to the IP address of old hosting since yesterday morning 10 A.M. I already changed to new hosting address in DNS of 1and1.
I restarted my router but s…

1277 views

on my windows 10 computer
optimum cable wifi (cablewifi works with other United States cable logins)  hotspot stays continuously connected with 2 to 4 out of 5 connection bars

on my cell phone it i…

247 views

We've been experiencing a very specific issue for almost a year, and it's finally becoming problematic for us.  All Android devices running v5 (Lollipop) and newer are unable to view internal web site…

651 views

I have an application that has a primary and secondary data source that it connects to. I create and update an object when the primary server  crashes so that all requests will be done on the secondar…

656 views

Assume I have a running network that has a static IP. It would be a Windows-based network and have an Exchange Server and terminal servers.  If the static IP were to be compromised in some way - put o…

444 views

Filezilla was recommended to me as the best way to work with FTP.  
Anything better out there?

763 views
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