port
This can be achieved in many ways, but the simplest one in my opinion is to use a basic telnet connection on port 80 to the remote server and issue a regular request like “HEAD / HTTP/1.0†(I will use HEAD because we don’t care about the content): telnet remote_server.com 80 Trying remote_server.com… Connected to [...]
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Most Cisco devices use the syslog protocol to manage system logs and alerts. But unlike their PC and server counterparts, Cisco devices lack large internal storage space for storing these logs. To overcome this limitation, Cisco devices offer the following two options: * Internal buffer— The device’s operating system allocates a small part of memory [...]
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Configuring your Cisco Router If you have just turned on the router, it will be completely unconfigured. If it is already configured, you may want to view its current configuration. Even if it has not been previously configured, you should familiarize yourself with the show commands before beginning to configure the router. Enter privileged mode [...]
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ith the Remote Administration (HTML) tool, you can manage IIS from a Web browser. With this tool, you can perform most of the administrative tasks that you can perform with the Internet Information Services Manager. NOTE: You can only use the Remote Administration (HTML) tool to administer servers that are running IIS 6.0. You cannot [...]
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Introduction FreeNAS is an open source popular software appliance package that can turn a computer into a NAS appliance, or in easier terms: a file server. This guide shows the basic steps to prepare a server for use in a diskless LTSP environment. This document is correct as of FreeNAS v0.67.1. Full documentation on installing [...]
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Obtaining and maintaining multiple IP addresses is usually a task reserved for large corporations and Internet service providers (ISPs), while assigning multiple host header names is a fairly simple procedure accomplished through IIS Manager. Your computer or network must be using a name resolution system (typically DNS) in order to use multiple host header names. [...]
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IIS creates a default Web site configuration on your hard disk at the time of installation. You can use the \Inetpub\Wwwroot directory to publish your Web content, or create any directory or virtual directory you choose. The File Transfer Protocol (FTP) service must be installed and started in order to create an FTP site. It [...]
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NAT acts as a middle man between the internal and external network; packets coming from the private network are handled by NAT and then transferred to their intended destination. A single external address is used on the Internet so that the internal IP addresses are not shown. A table is created on the router that [...]
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OpenVPN can be downloaded here. For security, it’s a good idea to check the file release signature after downloading. The OpenVPN executable should be installed on both server and client machines, since the single executable provides both client and server functions. Linux Notes (using RPM package) If you are using a Linux distribution which supports [...]
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SmoothWall Express 2.0 is a free Linux-based firewall, which installs on a dedicated machine. Its interesting features include the ability to set up a DMZ for hosting the Web servers, FTP servers and an IDS (Intrusion Detection System) to protect your internal network. The firewall is also compatible with ISDN and ADSL and automatically senses [...]
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Install File and Printer Sharing loadTOCNode(2, ‘summary’); By default, a Windows Server 2003-based computer is installed with Client for Microsoft Networks, File and Printer Sharing for Microsoft Networks, and TCP/IP. You can view these services in the properties for the local area connection. You can create a Windows Server 2003 file server and print server [...]
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To configure the server to act as a VPN server and a router: 1. Start the Routing and Remote Access Server Setup Wizard a. Click Start, point to Administrative Tools, and then click Routing and Remote Access. b. In the Routing and Remote Access utility, click your server, and then click Configure and Enable Routing [...]
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Introduction This document describes how you can monitor “private” services and attributes of Windows machines, such as: Memory usage CPU load Disk usage Service states Running processes etc. Publicly available services that are provided by Windows machines (HTTP, FTP, POP3, etc.) can be monitored easily by following the documentation on monitoring publicly available services. Note: [...]
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Log-in as root and run the following commands. yum -y install mysql mysql-server net-snmp net-snmp-utils Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing: perl-DBI ######################### [1/8] Installing: mysql ######################### [2/8] Installing: net-snmp-libs ######################### [3/8] Installing: perl-DBD-MySQL ######################### [4/8] Installing: lm_sensors ######################### [5/8] Installing: net-snmp ######################### [6/8] Installing: net-snmp-utils ######################### [7/8] Installing: [...]
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This is a how to on installing Zenoss 1.2 on a new Centos 5.0 installation. Here is a updated guide for Zenoss 2.0. This guide assumes a new Centos 5 install with the default “server” software selection, no gui, and has SElinux disabled, if it is not disabled run setenforce 0 as root before starting. [...]
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