Apache tomcat logs path12/4/2023 ![]() (And yes, there's a homebrew installer for local OSX installations). I am sure there's an equivalent yum package for RHEL/CentOS users. Tomcat starts on reboot automatically, and there's a "restart" command. sudo service tomcat start or alternatively /etc/init.d/tomcat start). Further, the tomcat server is set up as a service that can be started and stopped as others (e.g. /usr/share/tomcat7 for shared resources.Īll permissions are set up correctly with the principle of least privilege, such that adding users to the group tomcat7 is sufficient to allow deployment./var/lib/tomcat7 for core libraries, and.It's worth pointing out that using a package installer can save a lot of headaches - at least for Tomcat 7 on Ubuntu apt-get install tomcat7 produces a more "standard" set of installation directories are: The developers will need to grant read access on their files to the group so the server can read them (that's 640), and also execute on the directories (that's 750). ![]() Those folders must be 1570, while some others can be 0500). You'll need some trial and error here, and it could be application dependent. Then you'll need to grant write permissions (1570) to webdev on some of the directories. Grant the server write permission to the logs, and read permissions to the developers (0740 for the folder, 0640 for the files, the sticky bit is probably not necessary, and never grant it to a file, only the folders, as it has a different meaning (execute with the permissions of the owner when the file is executable)). Grant write permissions on /opt/tomcat to the group (that would be 570) and set the sticky bit so that they can remove only the files they own (chmod 1570). chown all the files and directory to the webserver user, chmod all directories to 500 and all files to 400 (except in bin where the executables need to be 500 as well). In practice you need to create a group (for instance webdev) and add all developers and the server to it ( usermod -aG webdev or usermod -A webdev depending on your Linux flavor). The server (probably Set the sticky bit on the directories so that only the owner of a file can delete it. You need to follow the principle of least privilege. The Tomcat process runs with a umask of 007 to maintain these permissions. This means that even if an attacker compromises the Tomcat process, they can't change the Tomcat configuration, deploy new web applications or modify existing web applications. The exceptions are the logs, temp and work directory that are owned by the Tomcat user rather than root. Taking the Tomcat instances at the ASF as an example (where auto-deployment is disabled and web applications are deployed as exploded directories), the standard configuration is to have all Tomcat files owned by root with group Tomcat and whilst owner has read/write privileges, group only has read and world has no permissions. For example, it should not be possible to log on remotely using the Tomcat user.įile permissions should also be suitably restricted. ![]() Create a dedicated user for the Tomcat process and provide that user with the minimum necessary permissions for the operating system. Tomcat should not be run under the root user. ![]() The Non-Tomcat settings section of Tomcat's security howto provides useful information on this topic.
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