-
LAN settings, key five points:
1.Each machine needs to be in the same network segment, that is, the firewall with the same number for the first three sets of IP needs to allow "file and printer sharing".
Guest-only local users have changed from "Guest user login" to "Classic-local users to authenticate themselves".
Disable "Empty password accounts are only allowed to log in to the console".
5.Removing the guest from "Refuse to log in to this computer from the network" As long as you get these 5 things done, it's basically 98% fine.
-
See if the guest user is enabled, and if it is enabled by others, it can only be accessed by others.
To be in a workgroup, you can change it from the properties of my computer to the same workgroup.
-
Set it up in your online neighborhood. Create a home or small office network. Village. Set up file sharing.
-
If you want to share files, you need to install the ms-file sharing protocol.
-
It should be related to the working group, and pay attention to the settings of the firewall.
-
They have a low version, so that they all go up to XP
-
There is a problem with the NIC driver. If you are sure that the NIC driver is correct.
It may be a problem with the driver installation sequence during system installation.
The general driver installation sequence is as follows: Motherboard chipset driver. Graphics driver.
NIC driver. Sound card driver. Other drives.
You can try to reverse the installation order of the network card driver and the sound card driver. I used to run into a machine when I was a network administrator. According to the normal order, the NIC cannot be recognized.
The phenomenon of packet loss has also been encountered. My previous workaround is shown below.
Change the NIC working mode. There is automatic. 10m duplex half-duplex. 100m duplex half-duplex.
Change it and try it.
I had a 100 megabit intranet at the time. That machine had to be changed to 10m half-duplex mode. In the end, it was found that the network card and switch versions were very old. Caused by the bad fit.
-
A local area network (LAN) is a group of computers that are interconnected by multiple computers in a certain area. Generally, it is within a radius of several thousand meters. LAN enables functions such as file management, application software sharing, printer sharing, scheduling within workgroups, e-mail and fax communication services, and more.
A LAN is closed and can consist of two computers in an office or thousands of computers in a company.
Local area network (LAN) is a computer communication network composed of various computers, external devices and databases connected to each other within a local geographical range (such as a school, factory and institution), generally within a radius of several kilometers. It can be connected with a remote local area network, database or processing center through a data communication network or a dedicated data circuit to form a large-scale information processing system. LAN enables functions such as file management, application software sharing, printer sharing, scanner sharing, scheduling within workgroups, e-mail and fax communication services, and more.
LANs are strictly closed. It can consist of a few or even thousands of computers in the office. The main technical elements that determine the LAN are:
Network topology, transmission media, and media access control methods.
A LAN is composed of network hardware (including network servers, network workstations, network printers, network cards, network interconnection devices, etc.) and network transmission media, as well as network software.
Enable DHCP in the router settings. Dynamic Host Setup Protocol (DHCP) is a local area network protocol that works using the UDP protocol and has two main purposes: to automatically assign IP addresses to users on the internal network or network service provider, and to provide internal network administrators as a means of managing all computers. >>>More
Step 1: Right-click the folder you want to share. Sharing and security points are OK There are still a few questions to be made. Step 2: >>>More
function getsqlserverlist(strings:tstrings):boolean;
The function is implemented as follows: >>>More
Your network architecture is a medium-sized network, don't use class C IP, change to class B, divide several VLANs, divide the office building into a VLAN, each office is divided into VLAN, and then put the OA and business system server separately into a VLAN, the default VLAN can be, easy to manage, but also can prevent ARP attacks, and then there are ARP attacks can only attack in this VLAN, will not affect the server, you can enable the routing function on the main switch, Support cross-VLAN data exchange, control the direction of data exchange through ACL, how do you usually manage the external network, you can see if you need to change it again, as for ARP detection, your VLAN should be attacked in a certain VLAN after it is divided, you can know which switch under the computer issued the ARP attack, you can then go to the corresponding switch web page through the MAC detection function to detect the attacker's MAC and IP, Even if someone manually changes the MAC and IP, the above will also be recorded, as for what you said can not find the attacker's MAC, it may be manually modified, you can find the attacker's real MAC address and IP through the MAC detection function on the web page, you can easily find out which computer is attacking, in this way, the network is safe, viruses, and human aspects are all eliminated After reading your information above, I feel that your network is a little messy, and you can apply to move the network once, Let's make a rectification and re-plan.
1.Set sharing: Select the directory you want to share, right-click - Share & Security - check 'Shared Folder', add everyone in Security and enable guest users. >>>More