Posts Tagged With ‘casestudy’
SMB System Error 384
This blog post highlights a very specific detail of Microsoft’s implementation of SMB. It might help those, who try to get rid of SMB version 1 and support staff dealing with inaccessible file shares.
Trace File Case Files: SMB2 Performance
We had an interesting question regarding SMB2 performance on the Wireshark Q&A forum recently. Upon request the person asking the question was able to add a couple of trace files (=”capture” files). The question and a link to the traces can be found here: https://ask.wireshark.org/questions/55972/slow-writes-even-slower-reads-spanning-wan-to-netapp Since the question nicely fits into the scope my talk […]
A creative way of refusing connections
A few days ago, Olli, one of our team members, sent me a funny trace that he’d taken while configuring the security settings on a Netoptics Bypass kit. This device has an SNMP and HTTP management service, and when he disabled the HTTP service he verified if the setting was accepted (like you should). Usually, […]