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Linux Security

Linux Security. LINUX SECURITY . Linux Security. Firewall. Internet. Application Web Server. Firewall. Database. Linux Security. LINUX Firewall. Use GUI (Applications ->System Settings-> Security Level) to activate the firewall

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Linux Security

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  1. Linux Security LINUX SECURITY

  2. Linux Security Firewall Internet Application Web Server Firewall Database

  3. Linux Security LINUX Firewall • Use GUI (Applications ->System Settings-> Security Level) to activate the firewall • Allow standard services and any specific port based application • All other services and ports are blocked

  4. Linux Security LINUX Firewall

  5. Linux Security SELinux • Malicious or broken software can have root-level access to the entire system by running as a root process. • SELinux (Security Enhanced Linux) provides enhanced security. • Through SELinux policies, a process can be granted just the permissions it needs to be functional, thus reducing the risk

  6. Linux Security SELinux SELINUX can take one of these three values • enforcing - SELinux security policy is enforced. • permissive - SELinux prints warnings instead of enforcing. • disabled - SELinux is fully disabled.

  7. Linux Security SELinux Configuration • Use GUI (Applications ->System Settings-> Security Level) to activate SELinux • Enable/Disable SELinux • Allow standard features in various services (http,nis,nfs,dns etc.) • All other services and features are blocked

  8. Linux Security SELinux Configuration

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