Understanding the behavior of TCP retransmissions in packet capture, particularly in the context of companies that whitelist IP addresses, is...
Cisco Nexus switches use a slightly different syntax compared to the ASA series for packet capturing, which is accomplished through...
In the context of networking and the TCP (Transmission Control Protocol), RST (Reset) and ACK (Acknowledgment) are flags within the...
HTTP/2 and ALPN are related in the context of secure web communications. When a web client (like a browser) and...
TCPdump is an indispensable tool system administrators, network engineers, and cybersecurity professionals use for network troubleshooting and analysis. The tool...
The Transmission Control Protocol (TCP) is one of the fundamental protocols that power the Internet. It provides reliable, ordered, and...
There are several repositories and websites where you can find free PCAP files for learning purposes: Wireshark Sample Captures: The...
Are you worried about your network’s security? Given the rise in cyber-attacks, many organizations are rightfully focusing on fortifying their...
URL http.host == “api.cordero.me” DNS dns.qry.name == “www.cordero.me” dns.qry.name matches “.cordero.me” dns.qry.name contains “cordero.me” TCP Flags tcp.flags.reset == 1 tcp.flags.push...
Certainly, here’s the packet capture procedure on Cisco IOS with specific source IPs, destination IPs, and ports incorporated into the...