Projects tagged ‘infosec’, ‘linux’, ‘networking’, and ‘systems_administration’

Ettercap is a network sniffer/interceptor/logger for ethernet LANs. It supports active and passive dissection of many protocols (even ciphered ones, like SSH and HTTPS). Data injection in an established connection and filtering on the fly is also ... [More] possible, keeping the connection synchronized. Many sniffing modes were implemented to give you a powerful and complete sniffing suite. Plugins are supported. It has the ability to check whether you are in a switched LAN or not, and to use OS fingerprints (active or passive) to let you know the geometry of the LAN. [Less]

sshproxy is a pure python implementation of an ssh authenticating proxy. It allows users to connect to remote sites without having to know the password or key of the remote sites. ACL rules can be set up to allow or deny users based on ... [More] different parameters like their IP address or the time of the day. Access attempts are logged via syslog, and an enhanced "action log" system is under development. The client is the standard ssh client. [Less]

scanlogd is a TCP port scan detection tool, originally designed to illustrate various attacks an IDS developer has to deal with, for a Phrack Magazine article. Thus, unlike some of the other port scan detection tools out there, scanlogd is designed ... [More] to be totally safe to use. scanlogd supports several packet capture interfaces: the raw socket interface on Linux (which does not require any libraries), libnids, and libpcap. [Less]

ITVal is an open source utility for testing, and debugging iptables firewall policies. It can detect many different kinds of errors, such as typos, out-of-order rules, faulty understanding of the firewall, or poor assumptions about the policy logic. ... [More] ITVal can also generate a "policy map" that illustrates how the firewall treats various groups of hosts on the network. This grouping is automatically calculated from the policy and can make it very easy to spot anomalies in the policy. Current development on ITVal focuses on ways to partially automate repair of the policy. [Less]