2007-Jul-10

Latest IPCheck beta version adds WMI sensors and support for Vista

The latest beta for IPCheck Server Monitor version 5.4.1 mainly adds two new features: WMI sensors and Vista support.

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2007-Jul- 9

Detecting Common Network Problems, Part VII: Intrusions

Intrusions to your network can easily occur at anytime and often come from unexpected sources. Intrusions from hackers, internet worms, viruses, Trojans, or just people curious about what you happen to have on your network pose great threat to the security of you network. Network Monitoring allows you to identify network weaknesses, as well as detect intrusions should they occur.

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2007-Jul- 5

SNMP on Windows Vista rendered dysfunctional by NOD32 Anti Virus

Since Vista came out we had a strange problem with our Vista workstations: We were absolutely not able to query them through SNMP (using our PRTG or IPCheck as well as any other SNMP tool). SNMP requests simply timed out and were not returned by these Vista machine, regardless of the version (Vista Business or Ultimate). The SNMP service was properly installed and working, netstat reported nothing unusual.

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2007-Jul- 5

Detecting Common Network Problems, Part VI: Software Problems

Software-related network problems can cause one or more computers or devices to lose the ability to communicate with other devices on or outside the network.

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2007-Jul- 2

Detecting Common Network Problems, Part V: Network Collisions

Although the word sounds negative, collisions are a normal part of a healthy network. A collision is the mechanism used by the network to control access and to allocate shared bandwidth among devices that want to transmit at the same time on a shared medium. Collision detection allows the two devices to identify that they both want to transmit at the same time. While collisions are normal, a high collision rate can indicate network problems.

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