ftp passive tcpdump unreachable – admin prohibited

If you are seeing this message “unreachable – admin prohibited” on a tcpdump it is most likely suggesting that the host is blocking your request via iptables or some other type of firewall, this was seen when FTP login was successful but on a active or passive connection was failing:

F5 LTM – Packet Sniffing HTTP Headers

To confirm that an F5 is adding HTTP headers you can use the following command (via the shell) using tcpdump you can sniff the HTTP Headers