^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: Accepted publickey for [^[:space:]]+ from [^[:space:]]+ port [[:digit:]]+ ssh2: (RSA-CERT ID [[:alnum:]]+@[[:alnum:]]+ \(serial [[:digit:]]+\) CA )?(RSA|ED25519) [:.[:xdigit:]]+$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: Bad packet length [[:digit:]]+\. \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: Bad protocol version identification '[^']*' from [:.[:xdigit:]]+ port [[:digit:]]+$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: banner exchange: Connection from [[:xdigit:].:]+ port [[:digit:]]+: invalid format$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: channel_by_id: 1: bad id: channel free$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: channel_input_success_failure: 1: unknown$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: Connection (closed|reset) by (authenticating|invalid) user [[:alnum:][:punct:][:space:]]* [:.[:xdigit:]]+ port [[:digit:]]+ \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: Disconnecting: Too many authentication failures for (invalid user|root) [[:alnum:]]+ from [[:digit:].]+ port [[:digit:]]+ ssh2 \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: Disconnecting: Too many authentication failures \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: connect_to .* port [[:digit:]]+: failed\.$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: banner line contains invalid characters$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: client sent invalid protocol identifier ".*"$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: Connection closed by remote host$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: Connection reset by peer$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: read: Connection reset by peer$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex protocol error: type 30 seq 1 \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: maximum authentication attempts exceeded for (invalid user [[:alnum:][:space:][:digit:]@\\!._-]*|root|sshd|mysql|ftp|nagios|postgres|redis) from [:.[:xdigit:]]+ port [[:digit:]]+ ssh2 \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: PAM: Authentication failure for( illegal user)? [^[:space:]]* from ([:.[:xdigit:]]+|UNKNOWN|[-_.[:alnum:]]+)$