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Networking Protocols

Networking software modules are interfaced with a framework implemented on the machine's operating system that implements the networking functional...

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Cybersecurity Architect

A network security and systems engineer with over 12 years of experience in the field, ready to help and share my knowledge with others.

Troubleshooting Solution

Serial Data over IP radio using multicast. help me understand how that works

11

Not sure there is a place for this subject or even how to ask it.

I am sending serial data over a

Article

It’s not the Network, It’s DNS

8
This is the first one of a series of articles I’ll be writing to address technical issues that are always referred to as network problems. The network boundaries have changed, therefore having an understanding of how each piece in the network  puzzle works will help troubleshoot any network issue.
Video
Tutorials
Post

There's been a lot of discussion lately about Net Neutrality…

There's been a lot of discussion lately about Net Neutrality
Troubleshooting Solution

What method can I use to correct a socket permissions error when obtaining IPs via DHCP?

21

I have an HP Pavilion 15 laptop (TPN-Q130) on which I recently did an in-place upgrade from Windows

Troubleshooting Solution

Unable to copy file directly via UNC, but I can if I go through a different PC

67
Confusing enough title?  Hopefully my explanation will be clearer.

There is a scheduled task that …
Troubleshooting Solution

Cant connect via rdp to server 2019

byvmich
4

Not rocket science but trying to setup rdp connections to a windows server 2019 but each time I try

Troubleshooting Solution

what happens when a unmanaged switch connects to a switch with multiple vlan ?

byMr.X
26
hi,
general question.
got a hp switch doing 2 vlans below
got vlan1 which is default data
and …
Troubleshooting Solution

Issue to telnet

48
Hi,
Port 25 is open but I've got the following. Any advice?
C:\Users\Administrator>telnet
Troubleshooting Solution

Implement VSS on 6509 Switches

52
Hello Experts,

I've a pair of Cisco Cat 6509E Switches ( Core 1 and 2)  populated with line cards (…
Troubleshooting Solution

In ping results, Is the message "Request timed out" normal?

6
Hi,

Every 3 minutes or so I get a message as per below when running ping out to Google on my home…
Troubleshooting Solution

I have a Windows Server 2008 R2 that when I ping a host name I get a Request Time Out

8
I have a Windows Server 2008 R2 that when I ping a host name of a remote workstation I get a Request …
Troubleshooting Solution

What are named pipes?

byM
5
Context: OSI model-session layer-protocol- named pipes.

What is a named pipe protocol?
Troubleshooting Solution

Understanding transport header in Reliable data transfer

4
I am trying to implement a reliable Data transfer (RDT 3.0) protocol
Video
Troubleshooting Solution

What are security best practices for a FTP(S) server?

6
We have an FTPS (FTP over TLS) server setup. I am seeing consistent hacker attempts to log in and …
Troubleshooting Solution

Can not access a shared drive

byMags
48
I am unable to access a shared drive after computers were moved to different rooms.  The computers …
Troubleshooting Solution

Can't ping New Linux Servers

bysglee
40

Hi,

 I have set up two new Linux (CentOS 7) servers on the network. They received dynamic IP …
Troubleshooting Solution

How to connect to a FTPS server using AS 400 FTP client?

10
Hi Experts,

We have an FTPS. / SFTP server set up through AWS. We are requiring some partners to send …

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