248 matches found
CVE-2002-0515
IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs...
CVE-2002-0514
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...
CVE-2002-0515
IPFilter 3.4.25 and earlier is affected: it sets a different TTL for packets targeting a port when that port is being filtered versus when it is not, enabling remote attackers to identify filtered ports by TTL comparison. The vulnerability is described across NVD/CVE records and PT-Security conte...
CVE-2002-0514: Observable Discrepancy
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...
CVE-2002-0515: Observable Discrepancy
IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs...
PT-2002-1566 · Ipfilter · Ipfilter
Name of the Vulnerable Software and Affected Versions: IPFilter versions 3.4.25 and earlier Description: The issue allows remote attackers to identify filtered ports by comparing TTLs, as IPFilter sets a different TTL when a port is being filtered than when it is not being filtered...
NIDS Evasion Options
This plugin configures Nessus for NIDS evasion see the 'Prefs' panel. NIDS evasion options are useful if you want to determine the quality of the expensive NIDS you just bought. TCP Evasion techniques : - Split : send data one byte at a time. This confuses NIDS which do not perform stream...
