Cannot create input with https enabled

[eatyourpeas747]

I am able to create GELF inputs when using http only but when I add https I get the below error. I asusme the error is the certs are not in the java keystore but Im not sure why the inport didnt work. The error message doesnt give me much to go on though. Is there a more descriptive log that might point what the issue is? Or any other suggestions would be appreciated!

Graylog 3.0.2 https

Update: Got it working… mostly. I updated to 3.1 in the hopes that might help. (it actually made troubleshooting more difficult as graylog does not start and stop gracefully any longer with https configurations in server.conf that it doesn’t like) I went through the instructions on creating self signed certificate and then importing to a fresh copy of cacerts.jks one more time from a blank slate while on 3.1 making sure every t was crossed and i dotted. Still didn’t work. I then took Tobias…

Graylog3 with https (easy tutorial)

My ambient test: -Oracle Linux 7.6 (VMware 15); -Network: NAT; -Graylog3, MongoDB and Elastic: running together; Documentation base for RPM distro. First of all, read Docs » Configuring Graylog » Using HTTPS 0- mkdir /etc/ssl/certs/graylog/ && cd /etc/ssl/certs/graylog/ 1- openssl req -x509 -days 1095 -nodes -newkey rsa:2048 -config openssl-graylog.cnf -keyout pkcs5-plain.pem -out cert.pem 2- openssl pkcs8 -in pkcs5-plain.pem -topk8 -nocrypt -out pkcs8-plain.pem 3- openssl pkcs8 -in pk…

2020-03-31T12:04:53.981Z WARN  [UdpTransport] receiveBufferSize (SO_RCVBUF) for input GELFUDPInput{title=FS1, type=org.graylog2.inputs.gelf.udp.GELFUDPInput, nodeId=null} (channel [id: 0x336b3172, L:/127.0.0.1:12201]) should be 262144 but is 425984.
2020-03-31T12:08:00.837Z WARN  [ProxiedResource] Unable to call https://172.20.82.132:9000/api/system/inputstates on node <95cfc9a2-3b2f-449f-b7b9-f386261e415b>
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) ~[?:1.8.0_242]
        at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1946) ~[?:1.8.0_242]
        at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:316) ~[?:1.8.0_242]
        at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:310) ~[?:1.8.0_242]
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1639) ~[?:1.8.0_242]
        at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:223) ~[?:1.8.0_242]
        at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1037) ~[?:1.8.0_242]
        at sun.security.ssl.Handshaker.process_record(Handshaker.java:965) ~[?:1.8.0_242]
        at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1064) ~[?:1.8.0_242]
        at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1367) ~[?:1.8.0_242]
        at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1395) ~[?:1.8.0_242]
        at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1379) ~[?:1.8.0_242]
        at okhttp3.internal.connection.RealConnection.connectTls(RealConnection.java:318) ~[graylog.jar:?]
        at okhttp3.internal.connection.RealConnection.establishProtocol(RealConnection.java:282) ~[graylog.jar:?]
        at okhttp3.internal.connection.RealConnection.connect(RealConnection.java:167) ~[graylog.jar:?]
        at okhttp3.internal.connection.StreamAllocation.findConnection(StreamAllocation.java:257) ~[graylog.jar:?]
        at okhttp3.internal.connection.StreamAllocation.findHealthyConnection(StreamAllocation.java:135) ~[graylog.jar:?]
        at okhttp3.internal.connection.StreamAllocation.newStream(StreamAllocation.java:114) ~[graylog.jar:?]
        at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:42) ~[graylog.jar:?]
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) ~[graylog.jar:?]
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) ~[graylog.jar:?]
        at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:93) ~[graylog.jar:?]
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) ~[graylog.jar:?]
at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93) ~[graylog.jar:?]
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) ~[graylog.jar:?]
        at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:126) ~[graylog.jar:?]
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) ~[graylog.jar:?]
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) ~[graylog.jar:?]
        at org.graylog2.rest.RemoteInterfaceProvider.lambda$get$0(RemoteInterfaceProvider.java:61) ~[graylog.jar:?]
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) ~[graylog.jar:?]
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) ~[graylog.jar:?]
        at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:200) ~[graylog.jar:?]
        at okhttp3.RealCall.execute(RealCall.java:77) ~[graylog.jar:?]
        at retrofit2.OkHttpCall.execute(OkHttpCall.java:180) ~[graylog.jar:?]
        at org.graylog2.shared.rest.resources.ProxiedResource.lambda$getForAllNodes$0(ProxiedResource.java:78) ~[graylog.jar:?]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_242]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_242]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_242]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242]
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:450) ~[?:1.8.0_242]
        at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:317) ~[?:1.8.0_242]
        at sun.security.validator.Validator.validate(Validator.java:262) ~[?:1.8.0_242]
        at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:330) ~[?:1.8.0_242]
        at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:237) ~[?:1.8.0_242]
        at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:132) ~[?:1.8.0_242]
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1621) ~[?:1.8.0_242]
        ... 35 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141) ~[?:1.8.0_242]
        at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126) ~[?:1.8.0_242]
        at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280) ~[?:1.8.0_242]
        at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:445) ~[?:1.8.0_242]
        at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:317) ~[?:1.8.0_242]
        at sun.security.validator.Validator.validate(Validator.java:262) ~[?:1.8.0_242]
        at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:330) ~[?:1.8.0_242]
        at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:237) ~[?:1.8.0_242]
        at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:132) ~[?:1.8.0_242]
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1621) ~[?:1.8.0_242]
        ... 35 more

[jan (Jan Doberstein)]

he @eatyourpeas747

we have this part in the documentation: https://docs.graylog.org/en/3.2/pages/secure/sec_graylog_beats.html

that can be used as guidance what todo - if you followed the steps and are stuck at some point, please describe what you have done and where you are stuck.