Network technologies and trends:

FTP

1

November 9, 2017  3:23 AM

What is “TCP Spurious Retransmission” ? And why does this occur for the FTP traffic passing through a Cisco ASA Firewall?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Cisco, Cisco ASA, Filezilla, firewall, FTP, Network security, TCP

Recently we come across an issue where FTP  connection was not established between the client and the FTP server. The connection was passing through the Cisco ASA Firewall. Upon troubleshooting, we discovered 3-way TCP handshake was happening, however, once the login name and password entered to...

September 13, 2015  5:18 AM

Configuration Management – A holistic way to manage Palo Alto Firewall Configurations

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Configuration management, Firewalls, FTP, TFTP, XML

Palo Alto Network Firewalls are quite different and have powerful options compared to their competitors.  The flexibility and the ease they offer is quite impressive. Managing the Configurations of the Palo Alto firewall is one such example which proves to be very handy. One can access...


May 21, 2015  6:28 PM

Beware of Trojanized version of PuTTY

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Blog, Cisco, Filezilla, FTP, Networking, PuTTY, Website

It all started in late 2013 and early2014, a compromised FTP client dubbed “StealZilla,” based off the open source FileZilla FTP client was discovered. Now in 2015 new attack is discovered based on the same techniques and the actors as StealZilla” to alter the source code of the widely used...


1

Forgot Password

No problem! Submit your e-mail address below. We'll send you an e-mail containing your password.

Your password has been sent to: