
IPS fail close vs IPS fail open, what are the risks and benefits?
1- Fail close: if the IPS fails, it will disconnect the server it is protecting. 2- Fail open: if the IPS fails, it will pass through all traffic to the server including any possible attacks. What are the …
MAC overflow (flooding) - Information Security Stack Exchange
Oct 25, 2020 · Go to Fail Open mode, which turns the switch into a hub, which means that everyone gets to see everything. One could then sniff the traffic of all connected clients. Go to …
Why would a switch be configured to Fail Open?
Mar 31, 2016 · I can't understand why a switch would be configured to Fail Open? Surely an attacker could easily exploit this by MAC Flooding which will cause the switch to act like a hub …
physical - Should magnetic locks automatically release in the …
From a security standpoint, any condition that throws open all the doors is probably a bad one, but if they don't open/fail then there's the possibility for loss of life in the event of a real fire.
How can I get rid of the MDC packet in OpenPGP?
Jun 7, 2019 · As for the rationale why it is forced to fail with no or invalid MDC see Efail. In short: missing MDC or ignorance of the mail client regarding invalid MDC made it possible to …
Why openssl verify does not work for the certificate chain of a ...
Jan 10, 2024 · Both of us (still, for a few more months) get the X1-DSTX3 bridge, which is also an intermediate, and I think the OpenSSL code (X509_cert_verify) should find that (and then fail …
exploit - Exploiting through a filtered port - Information Security ...
Given that metasploit is unable to connect it is likely that nessus is reporting incorrectly, or is basing the vulnerability report on information gleaned from other open ports. If you look at …
Do current browsers still validate CRLs in enterprise PKI …
Mar 16, 2023 · I know that modern web browsers don't check CRLs for certificates from CAs in the default trust store anymore. I also know that there are some exceptions for certificate …
Firewall is blocking OCSP (Online Certificate Status Protocol) check
Oct 25, 2021 · After running some tests with wireshark/tcpview it seems that when the client tries to access my server it does an additional TCP connections to various IPs that seem to differ …
firewalls - How to bypass tcpwrapped with nmap scan
Oct 31, 2012 · . . 64623/tcp open tcpwrapped 64680/tcp open tcpwrapped 65000/tcp open tcpwrapped 65129/tcp open tcpwrapped 65389/tcp open tcpwrapped Scan methodology was …