#10962 closed Bug report (duplicate)
FileZilla is enforcing aes256-gcm@openssh.com which is not supported by older server
| Reported by: | horihel | Owned by: | |
|---|---|---|---|
| Priority: | normal | Component: | FileZilla Client |
| Keywords: | sftp, ssh ciphers | Cc: | |
| Component version: | Operating system type: | Windows | |
| Operating system version: | 7, 10 |
Description
Connecting to slightly older servers (SLES11 SP3) fails without proper error message (Error: Server unexpectedly closed network connection).
The server log reveals this:
sshd[29972]: fatal: matching cipher is not supported: aes256-gcm@… [preauth]
debug log doesn't reveal if FileZilla is only offering a single cipher, but anyways - none of them is supported by OpenSSH 6.2 as shipped with SLES11SP3.
At the moment FileZilla seems not to be able to access any server but the most recent via sftp.
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That's strange. Why would it match a cipher that is not supported?