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Posted to notifications@logging.apache.org by GitBox <gi...@apache.org> on 2021/12/09 21:46:26 UTC

[GitHub] [logging-log4j2] zhangyoufu commented on pull request #608: Restrict LDAP access via JNDI

zhangyoufu commented on pull request #608:
URL: https://github.com/apache/logging-log4j2/pull/608#issuecomment-990305306


   You can't ask everybody to upgrade to 2.15 at once. The `formatMsgNoLookups` option is available to log4j ≥ 2.10 only.
   
   Thanks to LOG4J2-703, I think it's quite safe to remove `org/apache/logging/log4j/core/lookup/JndiLookup.class` from `log4j-core-*.jar` as a workaround. Just `zip -q -d log4j-core-*.jar org/apache/logging/log4j/core/lookup/JndiLookup.class` to disable `${jndi:...}` functionality completely.
   
   I posted all log4j2-core jar with `JndiLookup.class` removed at https://github.com/zhangyoufu/log4j2-without-jndi for reference. Local test looks promising for me.


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