On 10/12/2021 16:25, James H. H. Lampert wrote:
Could anybody here shed some light on this message? A whole bunch of
them appeared in catalina.out.
WARNING [https-jsse-nio-443-exec-29]
org.apache.catalina.realm.LockOutRealm.filterLockedAccounts An attempt
was made to authenticate the locked user [user]
Someone has got their authentication credentials wrong too many times in
a row and the LockOutRealm has locked them out. They need to stop trying
for 5 minutes (by default) and then try again with the correct password.
The user will have no idea what is going on as the response for "wrong
password" and "locked user" is identical.
The messages are there to warn you that you might have a malicious actor
trying a brute force attack on your server.
Mark
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