{"version":"2.1.97","anchor":"bash-tool-security-dev-tcp-and-dev-udp-blocking","canonical_anchor":"bash-tool-security-dev-tcp-and-dev-udp-blocking","heading":"Bash Tool Security: \/dev\/tcp and \/dev\/udp Blocking","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.97\/e\/bash-tool-security-dev-tcp-and-dev-udp-blocking","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.97","markdown":"### Bash Tool Security: `\/dev\/tcp` and `\/dev\/udp` Blocking\n\nRedirections targeting `\/dev\/tcp` or `\/dev\/udp` are now explicitly blocked as network connections. These Bash pseudo-device paths open network sockets and were previously not flagged by the safety checker.\n\n**Evidence**\n\nNew safety message `\"Redirect involving \/dev\/tcp or \/dev\/udp opens a network connection\"` (search for `\"\/dev\/tcp\"`)"}