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Cisco Bug: CSCvu31408 - FMC invalid hostname locks Device Management, NAT and Policies tabs

Last Modified

Jun 10, 2020

Products (1)

  • Cisco Firepower Management Center

Known Affected Releases

6.5.0 6.6.0

Description (partial)

- Not able to load Device Management, NAT and Policies tabs
- Following logs can be see in /var/opt/CSCOpx/MDC/tomcat/log/stdoud.logs:

Apr 15, 2020 11:36:01 AM org.apache.coyote.AbstractProcessor parseHost
INFO: The host [hostname_with_underscore] is not valid
 Note: further occurrences of request parsing errors will be logged at DEBUG level.
java.lang.IllegalArgumentException: The character [_] is never valid in a domain name.
        at org.apache.tomcat.util.http.parser.HttpParser$
        at org.apache.tomcat.util.http.parser.HttpParser.readHostDomainName(
        at org.apache.tomcat.util.http.parser.Host.parse(
        at org.apache.tomcat.util.http.parser.Host.parse(
        at org.apache.coyote.AbstractProcessor.parseHost(
        at org.apache.coyote.ajp.AjpProcessor.prepareRequest(
        at org.apache.coyote.ajp.AjpProcessor.service(
        at org.apache.coyote.AbstractProcessorLight.process(
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.base/java.util.concurrent.ThreadPoolExecutor$ Source)
        at org.apache.tomcat.util.threads.TaskThread$
        at java.base/ Source)

FMC hostname with invalid character (non-alphanumeric)
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