How traceroute (Tracert)works?

Tweet Traceroute(on window system, command will be "Tracert") is a most common and essential troubleshooting tool for network administrators. Even normal users who are facing…

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Synergy install tips for Unix

Tweet It is very useful tools if you want to use one keyboard and mouse on PC and Unix/Linux environment. See below Installation procedure  …

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[Squid error] Access denied message

Tweet Definitely, Caching server gives you big help if your organization has slow Internet connections or cannot afford higher bandwidth speed. SQUID is one of…

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How to transfer putty.exe's setting

How to transfer Putty.exe’s setting to other computers

Tweet Don’t know why putty.exe doesn’t provide easy way to handle configuration file and settings. Well, I guess there are some reasonable reason for developer,…

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How to disable anonymous account on pure-ftp server

Tweet I got few notices about abuse threat. And scanned my servers by using Nessus3. Found few potential security holes. Enabled anonymous account for applications…

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Network performance testing with Iperf

Tweet Iperf is well-known program to measure TCP performance and bandwidth of IPv4, IPv6 and multicast between two designated loations. It supports UDP and changing…

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How to install splunk on OpenSuSE 11.x

Tweet I have been testing Splunk window version on my Microsoft Window XP(32bits). Window version was easy to install and control Splunk software. But somehow, I…

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How to install splunk on OpenSuSE 11.x

Tweet I have been testing Splunk window version on my Microsoft Window XP(32bits). Window version was easy to install and control Splunk software. But somehow, I…

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Cisco Wireless 521 Access Point configuration for open event

Tweet The Cisco 521 Wireless Express Access Point is single-band 802.11g access points equipped with integrated antennas. These access points are ideal for delivering standards-based…

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Internet Speed Issue – Why TCP window size is matter

Using default TCP receive window size, 64 Kbytes (MS windows OSs, XP, Vista, 2003 server etc), not always is good if you have a high…

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Default password for Cisco AP 521

Tweet I had a hard time to find out default password for my new cisco gear, Access Point 521. This device is kinds of new…

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Configuring Web Authentication page on Cisco WLC 526

Tweet Web Authentication is normally used by customers who want to install a guest-access network. In a guest-access network, there is initial user name and…

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