Elküldtem az olaszoknak, valószinűleg tartozom neked egy sörrel. :)
Diagnosing The Problem
Collect debug logs from ssh or sshd (for outgoing or incoming connections, respectively). The log output will contain the following messages. The string at the end of the "Received disconnect" message may vary.
debug1: Sent ALLOW_PKCS12_KEYSTORE_CLIENT_FLAG packet
debug2: we sent a publickey packet, wait for reply
Received disconnect from 142.148.10.122 port 2222:11: Error processing packet
debug1: Sent ALLOW_PKCS12_KEYSTORE_CLIENT_FLAG packet
debug3: sign_and_send_pubkey: RSA SHA256:kulcs
debug3: sign_and_send_pubkey: signing using ssh-rsa
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 1