Tech Blog

Get rid Cisco IOS router message: %FW-4-TCP_OoO_SEG: Dropping TCP Segment

Some times you will see on a Cisco IOS router the following message in your show logging: 009357: Jul 8 09:28:22.214 CDT: %FW-4-TCP_OoO_SEG: Dropping TCP Segment: seq:104330552 1492 bytes is out-of-order; expected seq:104304632. Reason: TCP reassembly queue overflow – session <internal host>:1535 to <external host>:80 This message can be very annoying if you see it.

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HP Procurve 2910 Switch (routing configuration)

1:     login to the switch through TELNET OR SSH 2:    Standard configuration does not contain a password 3:    type configure terminal 4:    type a hostname “name of the switch”. 5:    Type vlan 1 and configure an ip address 6:    Enter a default gateway 7:    type ip routing & default route “ip route 0.0.0.0 0.0.0.0 x.x.x.x” When you enable routing, and default

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Enable Webmarshal Proxy on IP Authentication [ video ]

I created a video today about how to enable IP authentication for M86 webmarshal. So users can access the web without using their username and password, but just only their machine. The video contains also a configuration about a display page to confirm that you going to access the internet and that they are monitored.

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Outlook Anywhere can't connect to exchange 2010, RPC/HTTP Test with error WinHttpSendRequest failed with error 12002

This morning I had an issue with Outlook Anywhere. I couldn’t connect my outlook to an exchange 2010 server. Via the website https://www.testexchangeconnectivity.com/ i checked if the Outlook Anywhere settings were correct. unfortunately it wasn’t I got the following error. “WinHttpSendRequest failed with error 12002.” How to solve this issue. First I checked in IIS7

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Windows 2008 R2 Install SNMP Services via Powershell

I was looking for an easy installation and configuration for SNMP on a windows 2008 R2 server. After some goolging around I found the following script. I could be hard to find the script so that’s why I want to share it to other people. Run your powershell console with administrator rights. Change only variable

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How to resolve blank screen issue Exchange 2010 SP1 rollup 3/4

Today I found an issue which is pretty common if you search on the internet that the Outlook web Access shows a blank screen instead of the normal logon page. “Blank OWA Screen after installation of Rollup 3 or 4 of exchange 2010 SP1” [ note rollup 4 isn’t available for download anymore due bug

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