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Changing logging type to give warning for basic auth with no creds #2334

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Changing logging type to give warning for basic auth with no creds #2334

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Changing logging type to give warning for basic auth with no creds
Dec 13, 2022
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Dec 14, 2022
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2 changes: 1 addition & 1 deletion src/main/java/org/opensearch/security/auth/BackendRegistry.java
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Original file line number Diff line number Diff line change
Expand Up @@ -267,7 +267,7 @@ public boolean authenticate(final RestRequest request, final RestChannel channel

if(authDomain.isChallenge() && httpAuthenticator.reRequestAuthentication(channel, null)) {
auditLog.logFailedLogin("<NONE>", false, null, request);
log.trace("No 'Authorization' header, send 401 and 'WWW-Authenticate Basic'");
log.warn("No 'Authorization' header, send 401 and 'WWW-Authenticate Basic'");
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This is a potential denial of surface vector since unauthenticated callers will be able to force this message into the log - leading to full disks. I would much rather this was configurable for OpenSearch administrators, via the log4j configuration file or a configuration setting. What do you think?

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Ideally logs should reveal if unauthenticated callers are trying to login. Currently there is zero visibility in it.
Regarding disks being full, log rotation should take care of it.

return false;
} else {
//no reRequest possible
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