Opened 10 months ago

Last modified 10 months ago

#12045 moreinfo Bug report

Data connection TLS warning: SSL3 alert write: fatal: bad record mac

Reported by: Marco Miltenburg Owned by:
Priority: normal Component: FileZilla Server
Keywords: TLS, SSL, Connection Cc:
Component version: 0.9.60 Operating system type: Windows
Operating system version: Windows Server 2012 R2

Description

All of a sudden I start seeing this error in the log and the connections are being dropped:

Data connection TLS warning: SSL3 alert write: fatal: bad record mac

The only major change was the installation of the regular Windows updates the day before. I've updated to the latest version 0.9.60 but that also has the same problem.

This was previously reported in tickets #8771 and #4626 but it looks like we have something similar again.

Change History (1)

comment:1 by Tim Kosse, 10 months ago

Status: newmoreinfo

Which FTP client software are you using?

Have you tried uninstalling all firewalls and NAT routers?

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