Need some advice on learning networking

[Gift]

Re: Need some advice on learning networking

bots don't care about rules

[copytech,mike]

Re: Need some advice on learning networking

I guess I'm posting this in the right forum.

Until about a year ago I knew NOTHING about networking. Now I know enough to get the copiers networked and I can set up scan to PC and email. But I have ran into a range of problems @ the customer's office and had to call someone else to solve the problem.

I haven't had much time to devote to networking because I've been busy learning other stuff. I think I'm ready to tackle to world of networking.

How did you guys get your training and are you satisfied with your abilities?

Are there any books or videos that you recommend? I'm open to any suggestions. Thank you.

I learned it from you tube videos. Not much in the way of ant formal training unless a big copir company send you to school. If you can get that scan to email and scan to pc to work then your doing very good.

[BillyCarpenter]

Re: Need some advice on learning networking

When I was learning to set up scan to PC I couldn't get it to work. Keep in mind I had never done it before. After a few long hours of frustration, I discovered that SMB was off. Major headache. I've run into so many unexpected problems in the field with things like firewall settings, router settings that need to be changed, ect. Not to mention crappy networks that weren't set up right.

I went through the exact same thing when I was learning to setup SMB. Sometimes a Windows update will turn off SMB. I used to have a checklist of things to check when SMB is not working but I can't seem to find it at the moment.

[slimslob]

Re: Need some advice on learning networking

I went through the exact same thing when I was learning to setup SMB. Sometimes a Windows update will turn off SMB. I used to have a checklist of things to check when SMB is not working but I can't seem to find it at the moment.

Even if SMB is not turned off. Windows has for about ten years now has blocked scanning using IP Address from any device that is not a member of the same Domain or workgroup as the Windows computer.

[bsm2]

Re: Need some advice on learning networking

Even if SMB is not turned off. Windows has for about ten years now has blocked scanning using IP Address from any device that is not a member of the same Domain or workgroup as the Windows computer.

SORRY FOLKS that information is incorrect

[slimslob]

Re: Need some advice on learning networking

SORRY FOLKS that information is incorrect

Sorry asshole but it is straight from update notice Microsoft put out when the first started blocking SMB.

[bsm2]

Re: Need some advice on learning networking

Sorry asshole but it is straight from update notice Microsoft put out when the first started blocking SMB.

Sorry buddy your information is incorrect and outdated

Suggest you setup a machine and test it.

[rthonpm]

Re: Need some advice on learning networking

SORRY FOLKS that information is incorrect

Try using an IP in an environment that's blocked NTLM and see how far you get...

Sent from my Pixel 6 Pro using Tapatalk

[bsm2]

Re: Need some advice on learning networking

Try using an IP in an environment that's blocked NTLM and see how far you get...

Sent from my Pixel 6 Pro using Tapatalk

We are talking normal windows SMB scanning works just fine and dantee. Set them up all the time

The information from Slim is incorrect and outdated

Even Billy the Rookie knows that HA

[BillyCarpenter]

Re: Need some advice on learning networking

Try using an IP in an environment that's blocked NTLM and see how far you get...

Sent from my Pixel 6 Pro using Tapatalk

Full disclosure. I've never heard of NTLM but you got me curious, so I decided to look it up. Interesting.

What is NTLM? It's an authentication protocol used to verify a user's identity without using a password. I think it was rolled out in 1993 but is now mostly outdated and has been replaced by Kerberos.


Now I'm gonna have to look up Kerberos.

[BillyCarpenter]

Re: Need some advice on learning networking

So, I just finished watching a 30-minute video on Kerberos. It always amazes me that someone was smart enough to invent something like this. The process really is genius. It was invented at MIT.


I won't bore with details. There's plenty of information on the net. Basically it involves 3 security keys - encrypted. Hence the name Kerberos - 3 headed dog. Kerberos is used on file servers and Active Directory to name a couple.

It's always nice to know what's going on under the hood.

[slimslob]

Re: Need some advice on learning networking

So, I just finished watching a 30-minute video on Kerberos. It always amazes me that someone was smart enough to invent something like this. The process really is genius. It was invented at MIT.


I won't bore with details. There's plenty of information on the net. Basically it involves 3 security keys - encrypted. Hence the name Kerberos - 3 headed dog. Kerberos is used on file servers and Active Directory to name a couple.

It's always nice to know what's going on under the hood.

Kerberos is an available Authentication protocol used by Ricoh.

From the Operator Instruction Manual for the Pro 8200 series:

[bsm2]

Re: Need some advice on learning networking

Need some advice on learning networking

Yep get some training and certifications

truer words have never been spoken

[BillyCarpenter]

Re: Need some advice on learning networking

Kerberos is an available Authentication protocol used by Ricoh.

From the Operator Instruction Manual for the Pro 8200 series:

Operational requirements for Kerberos authentication
To specify Kerberos authentication, the following requirements must be met:
• A domain controller must be set up in a designated domain.
• The operating system must support KDC (Key Distribution Center). To obtain user information
when running Active Directory, use LDAP. If you are using LDAP, we recommend you use SSL
to encrypt communication between the machine and the LDAP server. Encryption by SSL is
possible only if the LDAP server supports TLSv1 or SSLv3.

I would imagine that almost any device that wants access to a file server would use Kerberos.

You can think of Kerberos as a movie ticket. The ticket will allow you to view one movie at a certain time of day and then the ticket expires. Also, the encrypted keys always live in memory and never on a drive. If the PC goes down, the keys are gone and you have to start the process over.


PS - The client never has direct communication with the file server.

[rthonpm]

Re: Need some advice on learning networking

Kerberos is also a major reason to always make sure time is correctly set and why in Active Directory the domain controller sets time for the domain. There is a very limited offset allowed between time on the DC and a client, usually 15 minutes, that allows for a KRB ticket to be issued. If the time difference is greater than what's defined for the domain, you can't login or connect to Kerberos specific resources.




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