PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2002-06-11T04:00:00

Updated: 2024-08-08T02:49:28.794Z

Reserved: 2002-06-07T00:00:00

Link: CVE-2002-0514

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2002-08-12T04:00:00.000

Modified: 2024-02-14T15:07:31.453

Link: CVE-2002-0514

cve-icon Redhat

No data.