Connecting to remote SSH-server from within company firewalled network
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Problem 1: Often company firewalls/web proxies only allow outgoing traffic to HTTP and HTTPS ports, but you also would like to connect to a remote SSH-server. A trick is to start the remote SSH-server at the port which is normally reserved for HTTPS-traffic. Most of the time it is in this way possible to connect … Continue reading “Connecting to remote SSH-server from within company firewalled network” |
Cisco type 8 and 9 password hashes calculated using Java
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In this article I will discuss three types of algorithms used by Cisco to calculate hashes from plain-text passwords, namely: Type 4, Type 5, Type 8 and Type 9. Back in the year 2013, the Type 4 algorithm was proven insecure because of an implementation error. The algorithm does not use PBKDF2 and does not … Continue reading “Cisco type 8 and 9 password hashes calculated using Java” |