Updating ubuntu 8 04 to 8 1

22-Jul-2017 21:17

It features rules based logging and can perform content searching/matching in addition to being used to detect a variety of other attacks and probes, such as buffer overflows, stealth port scans, CGI attacks, SMB probes, and much more.Snort has a real-time alerting capability, with alerts being sent to syslog, a separate "alert" file, or even to a Windows computer via Samba.Install seahorse in ubuntu sudo aptitude install seahorse 10) Nemesis -- TCP/IP Packet Injection Suite Nemesis is a command-line network packet crafting and injection utility for UNIX-like and Windows systems.Nemesis, is well suited for testing Network Intrusion Detection Systems, firewalls, IP stacks and a variety of other tasks.It was designed to rapidly scan large networks, but works fine against single hosts. It checks for: -- MD5 hash changes; -- files commonly created by rootkits; -- executables with anomalous file permissions; -- suspicious strings in kernel modules; -- hidden files in system directories; and can optionally scan within files.Nmap runs on all major computer operating systems, and both console and graphical versions are available. Using rkhunter alone does not guarantee that a system is not compromised.

Install tcpdump in ubuntu sudo aptitude install tcpdump 12) Open SSH -- secure shell server This is the portable version of Open SSH, a free implementation of the Secure Shell protocol as specified by the IETF secsh working group.

Using the IP and the Ethernet injection modes, almost any custom packet can be crafted and injected.

Install nemesis in ubuntu sudo aptitude install nemesis 11) Tcpdump -- A powerful tool for network monitoring and data acquisition This program allows you to dump the traffic on a network.

Ssh (Secure Shell) is a program for logging into a remote machine and for executing commands on a remote machine.

It provides secure encrypted communications between two untrusted hosts over an insecure network.

Syncronization with a central server is possible too.

The Ubuntu repositories contain several useful tools for maintaining a secure network and network security tools include network scanning,attack.… continue reading »

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