net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS

A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...

August 9, 2022-KB5015730 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 20H2, Windows Server, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2

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CIFS/SMB optimization displays “Secure Dialect Negotiation not support for unsigned connections

QUESTION: CIFS/SMB optimization displays “Secure Dialect Negotiation not support for unsigned connections ANSWER: This is known limitation. We do not support unsigned SMB2 connection with windows 10 as it uses secure dialect negotiation. However performance should be better compare to w/o CB as w...