Just when you thought we had a good understanding of the recent zero-day WMF (Windows metafile exploit) it’s worse. Sans is reporting on a new variation on the exploit released today. They have gone to yellow (again) to warn people. Here are some details. This exploit was “made by the folks at metasploit and xfocus, together with a anonymous source.”
Tag: MTU
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TCP/IP networking strange problem
This is a weird one and I’m posting this mostly for my own reference so I can recall this when I run across it again. About 6-10 months ago a client of mine was having problems accessing web login pages like yahoo and ebay. I tested from various Windows machines on their network and verified and pulled my hair out for a bit before coming across a tip to check into the MTU setting for the firewall. (more…)