How to bind ports below 1024 with non-root privilege

Solution Verified - Updated -

Issue

  • When a process calls a bind() system call, the bind() returns error with EACCESS.
  • Why is a "Permission denied" error received when trying to open TCP ports under 1024?
  • How can a normal user bind ports below 1024?
  • How do can JBoss bind to port 443
  • How to configure/bind JBoss web container HTTPS to port 443 running as a non-root user?
  • How to configure JBoss so that the application can be accessed on default port 443 and internally it should be forwarded to some other port ?
  • Following kind of error is seen in JBoss server.log when tried to run on port lesser than 1024, for example on 443 :
17:56:09,044 ERROR [Http11AprProtocol] Error initializing endpoint
java.lang.Exception: Socket bind failed: [13] Permission denied
    at org.apache.tomcat.util.net.AprEndpoint.init(AprEndpoint.java:610)
    at org.apache.coyote.http11.Http11AprProtocol.init(Http11AprProtocol.java:107)
...
...
17:56:09,047 ERROR [AbstractKernelController] Error installing to Start: name=WebServer state=Create
LifecycleException:  Protocol handler initialization failed: java.lang.Exception: Socket bind failed: [13] Permission denied
    at org.apache.catalina.connector.Connector.initialize(Connector.java:1031)
    at org.apache.catalina.core.StandardService.initialize(StandardService.java:683)
    at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:821)

Environment

  • Red Hat Enterprise Linux
    • 7
    • 6
    • 5
    • 4
  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 5.x
    • 6.x
  • Red Hat JBoss Enterprise Web Server (EWS)
    • Tomcat

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