Port 0 Information

Information about Port 0

• Port 0 is designated as a wildcard port in Unix operating systems that asks the OS to find a suitable port number. IANA has designated port 0 as a system port which is not to be used for TCP/IP communications. Port 0 can still be used by attackers and is often not handled by firewall devices, however most ISPs block port 0 incoming and outgoing.
• This page was updated on 2020-12-16.

Description

• Reserved

sources

• 638

targets

• 210

CVEs Associated with Port 0

CVE-2002-0067 CVE-2006-6730 CVE-2007-2491 CVE-2008-5717 CVE-2014-4199 CVE-2014-4200 CVE-2017-1000407 CVE-2017-1000407 CVE-2017-1000407 CVE-1999-0675 CVE-2005-0697 CVE-2006-5066