Archive for category Tips & How-tos
How to check the traffic of a specific department
Posted by Willis Huang in Articles, Tips & How-tos on November 19th, 2009
…with this setting, it’s very convenient to see the traffic of any specific group or department in our company…
How to find out the downloading nodes in your network
Posted by Willis Huang in Articles, Tips & How-tos on November 19th, 2009
Just want to share my experience on Colasoft Capsa 6.9, and this one is about detect downloading program with Capsa.
Monitor broadcast storm with Colasoft Capsa
Posted by Willis Huang in Tips & How-tos on July 29th, 2009
Causes of broadcast storm:
Incorrect network design and plan
Network equipment damage
HUB is easily lead to broadcast storm as broadcast equipment
NIC or switching equipment damage
Network loop
Incorrect router configuration
Virus
How to detect Broadcast Storm:
step1. Set up broadcast packets filter
Open Filter –> Add –> From Filter Table, check "Broadcast":
step2. Detect relevant parameters of the broadcast storm
1. Statistical parameters
broadcast [...]
How to monitor the network conversation.
Posted by Willis Huang in Tips & How-tos on July 2nd, 2009
Why should we monitor the network conversation?
In a network group, especially for the company, enterprise, school, bank, NSA, etc, the confidential information is very very important, and may very dangerous if they are divulged.
And also, for a company/enterprise boss, he can get the information of what his staff are talking about via internet, no matter [...]
How to Detect Email Worm with Colasoft Packet Sniffer
Posted by Kevin Zhou in Tips & How-tos on June 24th, 2009
What Is an Email Worm
In networking, an email worm is a computer worm which can copy itself to the shared folder in system. And it will keep sending infected emails to stochastic email addresses. In this way, it spreads fast via SMTP mail servers.
What Is the Harm of Email Worm
An email worm can send lots [...]
How to detect the network malfunction via the end-point view with Colasoft Capsa
Posted by Willis Huang in Tips & How-tos on June 11th, 2009
Brief introduction about the Endpoint view in Colasoft Capsa
It is divided into Mac endpoint and IP endpoint in Colasoft 6.9. Users can detect the IP/Mac endpoint in the largest traffic in a short time by the endpoint analytics. And also, The system supply clear statistics of traffic ranking(Top 5 IP endpoint under HTTP protocol).
In the [...]
How to Track BitTorrent User in Network with Colasoft Packet Sniffer
Posted by Kevin Zhou in Tips & How-tos on June 10th, 2009
BitTorrent Consumes Big Bandwidth
Based on the working principle of BitTorrent protocol, if somebody is downloading big files with BitTorrent software, it will be a disaster for other users who need bandwidth for business operations as the user will consume large amount of bandwidth, thus causing long time network slowness, intermittence, even disconnections; because meantime the [...]
How to Monitor MSN Chat with Free Unipeek MSN Monitor
Posted by Kevin Zhou in Tips & How-tos on June 5th, 2009
For some purposes we want to monitor MSN chat around the network, for example, parents want to monitor MSN chat of their kids to ensure their safety; bosses want to monitor MSN chat of employees for company assets security and to improve work efficiency by minimizing none-business chat during working hours. You may still remember [...]
How to Monitor Email with Colasoft Packet Sniffer
Posted by Kevin Zhou in Tips & How-tos on May 20th, 2009
Some people may doubt if it is legal to monitor email of employees with an email monitor software (aka. email spy or email checker), but this is not the topic of this article. We are going to discuss how we can monitor email with some technical methods, especially how we can monitor email with this [...]
How to Find MAC Address with Colasoft MAC Scanner and More
Posted by Kevin Zhou in Tips & How-tos on May 12th, 2009
In computer networking, a Media Access Control address (MAC address) is a unique identifier assigned to most network adapters or network interface cards (NICs) by the manufacturer for identification, and used in the Media Access Control protocol sublayer. If assigned by the manufacturer, a MAC address usually encodes the manufacturer’s registered identification number. It may [...]
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