Do you still set EnablePMTUDiscovery to 0?

Hi, In this blog post, I would like to talk about a misconfiguration which is still in place on many customer installations. I dealt with many network performance issues where the problem was stemming from using a small MTU size (576 bytes) when communicating with off the subnet hosts. PMTU discovery option helps communicating endpoints…

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Syn attack protection on Windows Vista, Windows 2008, Windows 7, Windows 2008 R2, Windows 8/8.1, Windows 2012 and Windows 2012 R2

[Last updated: 13th January 2014]   Hi, In this blog entry, I wanted to talk about some changes made in Syn attack protection on Windows Vista onwards systems. Syn attack protection has been in place since Windows 2000 and is enabled by default since Windows 2003/SP1. In the earlier implementation (Windows 2000/Windows 2003), syn attack…

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Welcome

Hi there, I work as a network support escalation engineer in Microsoft’s global support organization. I decided to blog about some interesting issues I deal with when troubleshooting customer issues. I will be mainly talking about network trace analysis, network security and some other stuff that might be interesting. Stay tuned! Thanks,                                                                                                                                                                                                                                                                                                                                                                             Murat

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