What is user-port-hack FOR LINUX?


User Port Hack for Linux



Are you looking to restrict the use of ports for local users on your Linux system? Look no further than user-port-hack, a powerful kernel patch designed to give users control over a specific range of ports for running daemons.



Key Features:



  • Restricts what ports a local user can use

  • Allocates a range of ports per user

  • Exclusive ports for running daemons

  • Controlled via the ip_local_port_range sysctl/proc interface

  • Available as a diff against RedHat's 2.4.9-31 kernel



Technical Specifications:




Usage Instructions:


For a given user with user ID uid, the user will be able to bind to ports: b + (uid - i) * n to b + (uid - i + 1) * n - 1. Ports below b + (uid - i) * n + l will not be allocated for outgoing connections.



User Port Hack for Linux

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