Configuring Windows Server 2008 Server Core Basic Networking Settings

In my previous articles (see list below) I have written about how, in Windows Server 2008, Server Core installation does not include the traditional full graphical user interface (GUI). Therefore, once you have configured the server, you can only manage it locally at a command prompt, or remotely using a Terminal Server connection. Like any other server, Server Core machines must be properly configured to be able to communicate on your network. Some of these settings include: Configuring an IP address Configuring an administrator's password Configuring a server name Enabling remote MMC snap-in management Enabling remote RDP connections Enabling remote Windows Firewall management Enabling remote shell management Activating the server Joining a domain Configuring Windows Updates Configuring...

Read more »

Posted in: Cisco,Network,Window Server

How to Stop Hackers from Invading Your Network

Unethical hackers (in bad sense of this word) are always looking for weaker points in a network system to hack the security system of your company and get hold of confidential and new information. Some such "black-hat hackers" derive a vicarious pleasure from wreaking havoc on security systems and some hackers do it for money. Whatever may be the reason, malicious hackers are giving nightmares to companies and organizations of almost all sizes. Especially, large corporate houses, banks, financial institutions, security establishments are favorite targets for hackers. However, this menace can be prevented to a great extent if proper security measures are taken at the right time. Follow forums. It is always a good idea to follow ...

Read more »

Posted in: Internet,Network

How to Prevent DoS Attacks

Denial of Service (DoS) attacks are among the most feared threats in today's cybersecurity landscape. Difficult to defend against and potentially costly, DoS attacks can cause outages of web sites and network services for organizations large and small. DoS attacks can also be lucrative for criminals, some of whom use these attacks to shake down businesses for anywhere from thousands to millions of dollars. Any deliberate effort to cut off your web site or network from its intended users qualifies as a DoS attack. Such attacks have been successfully deployed against major online businesses including Visa and Mastercard, Twitter, and WordPress. DoS attacks effectively knock the services offline, costing lost business and negative publicity. They also force IT staff to expend valuable...

Read more »

Posted in: Internet,Network

Manage your network connectionsHow to Setup IP PBX step by step

The network connections settings in Microsoft Windows XP specify how your computer will connect to a network. If you use a laptop, you might need to change your network connections to adapt to different environments. You might also need to change network settings if you add a network adapter or change Internet service providers (ISPs). To manage your network connections Click Start, and then click Control Panel. In Control Panel, under Pick a Category, click Network and Internet Connections. Under or pick a Control Panel icon, click Network Connections to display the Network Connections window. In the Network Connections window, you can perform any of the following network management tasks: ...

Read more »

Posted in: Network

Configuring an Access Point as an Access Point

The Linksys Wireless-G Access Points can be configured as an Access Point, Access Point Client, Wireless Repeater, and Wireless Bridge.  Wireless-G Access Points by default are set to Access Point Mode. NOTE:  The AP Mode options on the access point depend on its version number.  Checking if the WAP54G v1.1 is set to Access Point Mode  Step 1: Log on to the access point's web-based setup page.  For instructions, click here. NOTE:  If you are using Mac to access the access point’s web-based setup page, click here. Step 2: When the access point’s web-based setup page opens, click AP Mode and make sure Access Point (default) is selected.                   NOTE:...

Read more »

Posted in: Internet,Network,Wifi

Simple AP Setup --ubnt

Network Topology We'll consider this simple network topology: 1 Router/Gateway connected to Internet and/or private LAN (IP Address: 10.10.10.254/24) 1 Switch for private LAN (optional) 1 AP AirOS device directly connected to Router (IP Address: 10.10.10.253/24) 1 or more Wireless Clients (Notebook, WiFi-Phone, other Wireless devices...) The Router assign IP Address to network devices by DHCP Server. Alternatively, if you prefer, you can set static IP Address on Client. Devices configuration Router Setup Router can be your ISP ADSL Router, a Ubiquiti Routerstation or a Mikrotik RouterBoard plus Ethernet Modem... please refer to device manual. Set your Internet connection according to ISP paramenters (WAN IP Address,...

Read more »

Posted in: Internet,Network,WDS,Wifi

Basic Internet Sharing with Bandwidth Limiting -- Mikrotik

This tutorial explains how to configure a router to share a single Internet connection (WAN) among multiple local computers (LAN) using NAT. First we will configure interface that is connected to WAN. / ip address add address=192.168.1.20/24 network=192.168.1.0 broadcast=192.168.1.255 interface=ether2 Now one interface is configured and connected to WAN (with ip 192.168.1.20/24). Now we will configure second interface for our Local Network. / ip address add address=192.168.0.1/24 network=192.168.0.0 broadcast=192.168.0.255 interface=ether1 Now we will configure DHCP using WinBOX, download Winbox from http://www.mikrotik.com and login to you MT Router. Then goto IP > DHCP-Server, now press Setup Button, then you will see a...

Read more »

Posted in: Internet,Mikrotik,Network

How to setup Bridge mode on R6300?

The R6300 Wi-Fi Router can be configured in Bridge mode. To configure the router in Bridge mode, you need two R6300 routers—one configured as the router and the other as a bridge. For a Gigabit Wi-Fi connection for your home entertainment center, install the first R6300 router, then set up the second R6300 in Bridge mode near the home entertainment center and connect via Ethernet your Smart TV, DVR, game console or Blu-ray® player. The R6300 Bridge connects at 802.11ac Wi-Fi speeds to the R6300 Wi-Fi Router, providing you a gigabit Wi-Fi connection to your home entertainment center. Benefits of Installing the R6300 Router as a Bridge: • Enables you to take advantage of Gigabit speeds on current devices. • Utilize...

Read more »

Posted in: Internet,Network

Configuring a network with a wireless bridge

LAN: Local Area Network. Your local network WAN: Wide Area Network. The larger network your LAN connects to. The first step on the path to the Internet. DHCP: Dynamic Host Configuration Protocol A server that assigns IP Address, Subnet Mask, Default Gateway and DNS Server values to your TCP-IP system. DNS: Domain Name System DNS is what translates Google into googles IP address. Router: A network device with two interfaces; one side WAN, the other side LAN. They must be on different networks, or there is nothing for the router to do. Bridge, Wireless Bridge, Client: A device with two network interfaces that connects to an AP or Wireless Router. A bridge does the same thing as a USB WiFi adapter, or a wireless PCI card. The difference...

Read more »

Posted in: Internet,Network

HowTo: Connect Two Wireless Router Wirelessly ( Bridge ) With Open Source Software

ou can setup a wireless connection between two routers only so that it will link a wireless network to a wired network allowing you to bridge two networks with different infrastructure. You can find wireless access points products that offer either a "bridge" mode or a "repeater" mode. In this post I'm going to explain three popular open source choices that can be used for setting up a wireless bridge. Sample setup Consider the following network diagram: Fig.01: Wireless client setup You connect to the Internet using standalone ADSL2 modem with 202.54.1.1 public IP address. SSID set to nixcraft on wireless # 1 and an IP address set to 192.168.1.2. This router is located in downstairs and connected to ADSL2 modem. SSID set to...

Read more »

Posted in: Network,Tips

Routing with point-to-point

Point-to-point connections are typically used to connect two systems together over a wide area network (WAN). You can use a point-to-point connection to get data from your local system to a remote system or to get data from a local network to a remote network. Do not confuse point-to-point connections with Point-to-Point Protocol. Point-to-Point Protocol (PPP) is one type of a point-to-point connection that is commonly used to connect a computer to the Internet. See PPP connections for more information on how to set up and manage your PPP connections. You can use point-to-point connections across dial-up lines, leased lines, and other types of networks such as frame relay. There are two ways that you ...

Read more »

Posted in: Internet,Network

How do I configure wireless Access Point to Point to Point Bridge mode?

Definition: In Wi-Fi networking, Bridge mode allows two or more wireless access points (APs) to communicate with each for the purpose of joining multiple LANs. Some wireless bridges support only a single point-to-point connection to another AP. Others support point-to-multipoint connections to several other APs. This article is about to setup Point to Point Bridge. Note: 1. You need configure both of your two wireless access points (TL-WA501G/TL-WA601G) to Bridge mode by following below steps in order to setup a Bridge mode based wireless network. 2. Before the configuration, please check and write down the Wireless MAC Address of the Access Points. In the bottom of the device, there is a label with the MAC address printed. Configuring...

Read more »

Posted in: Internet,Network,Tips