Tag Archives: TCP

COMPLETE LIST OF COMPUTER PORTS

Port TCP UDP Description Status 0 UDP Reserved Official 1 TCP UDP TCP Port Service Multiplexer (TCPMUX) Official 2 TCP UDP CompressNET Management Utility Official 3 TCP UDP CompressNET Compression Process Official 4 TCP UDP Unassigned Official 5 TCP UDP … Continue reading

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OPEN PORTS IN WINDOWS FOR SMB

OPEN PORTS IN WINDOWS FOR SMB Open The Following Ports For SMB: on UDP ports 137, 138, and on TCP ports 139, 445. For Mac: If you don’t have your firewall enabled, your ports are open. However, you may have … Continue reading

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HP 4200/4300/4250/4350/4300 JETDIRECT CARD: ADDING TCP IP ADDRESS

HP 4200/4300/4250/4350/4300 JETDIRECT CARD: ADDING TCP IP ADDRESS 1. Press the Checkmark button, Down-arrow to Configure Device, press Checkmark. 2. Down-arrow to I/O, press Checkmark, Down-arrow to EIO #, press Checkmark. 3. Down-arrow to CFG Network, change it to read … Continue reading

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SCAN TO SMB ON MAC OS X LION

SCAN TO SMB AND MAC OS X Mac OS X 10.7 Lion Server removes the formerly bundled open source Samba software and replace it with Apple’s own tools for Windows file sharing and network directory services. Lion isn’t listening on … Continue reading

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CAUSES OF A SLOW NETWORK

Reason Phenomenon Solution Loopback A lot of retransmission packets, all field values are same, such as: IP identification, TCP sequence number, TCP ack-number. Obvious increase of network utilization. Check connection of switching device, pull out the line directly connecting two … Continue reading

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PORTS AND SCAN TO SMB

PORTS AND SCAN TO SMB YOU NEED TO TEST YOUR PORTS WHEN WORKING WITH WINDOWS SERVERS… IF ALL YOUR SETTINGS ARE CORRECT FOR SCANNING THEN ITS POSSIBLE THAT YOU HAVE PORT TROUBLES… TESTING PORTS WITH TELNET TESTING PORTS WITH NETSH … Continue reading

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