ACL looks like this: access-list VPN-FILTER permit {remote-IP} [remote-Port] {local-IP} [local-Port] Examples: LOCAL: ...
Alert Messages, Severity 1 Critical Messages, Severity 2 Error Messages, Severity 3 Warning Messages, Severity 4 Notification Messages, Severity 5...
Incomplete = The three-way TCP handshake didn’t complete. (Routing issue or destination server not listening on the port) Not-applicable =...
# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will use RIPE to Research IP Subnet (BGP AS,...
TCP handshakes are integral to the establishment of connections in network communications. Most network engineers are well-acquainted with the traditional...
1. Local Cache Check: You attempt to access a website (say, `app.lb.cordero.me`) on your Windows AD-managed laptop. Your operating system...
RIB vs FIB In Cisco networking, the Routing Information Base (RIB) and Forwarding Information Base (FIB) are two separate but...
nmap --traceroute --script traceroute-geolocation {DOMAIN} NOTE: You need to run this with elevated privileges. ❯ sudo nmap --traceroute --script traceroute-geolocation...
Are you getting an error message that says, “Packet needs to be fragmented but DF set” or “Frag needed and...