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Previous Insights on Linux:
3-20-2000 (Explains mounting, filesystem structure, etc.)
5-3-2000 (Details on Home Networking)
5-4-2000 (Fixed a startx (X windows) problem)
6-11-2000 (Covers how to quickly setup a DHCP server AND client, as well as using Squid (port redirector))
Files I have collected that I have found useful, and that I keep incase I have to re-install linux!!!:
Please keep in mind, for the scripts, if you click on them, they probably will just load in another window, so try RIGHT clicking on the link and selecting download (save as) that way.
bashrc (353 bytes) Heard of aliases for linux? Stuff so you don't have to remember every -i or -f? Well this is a decent alias file that you copy to "/root/.bashrc" and to "/etc/bashrc"
netup (762 bytes) This is a script that will configure your ethernet card for a LAN (at home..) - you will need to change the IPADDR part for each seperate computer you use this on.. copy this to "/etc/rc.d/net-up.sh" and you might want to consider putting it in your rc.local bootloader..
A Simple Firewall "Do-It-Yourself": PMFirewall is an Ipchains Firewall and Masquerading Configuration Utility for Linux. It is designed to allow a beginner to build a custom firewall with little or no ipchains experience. This firewall should work for most Workstations, Servers, and Dual NIC routers using either a dialup or LAN setup. It is restrictive to outside attacks while still being as transparent as possible to those inside.
Snort(Sniffer/Logger) (215k) Snort is a libpcap-based packet sniffer/logger which can be used as a lightweight network intrusion detection system. It features rules based logging which can perform content searching/matching and may be used to detect a variety of 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 or a separate "alert" file.
IP_MASQ Script [Firewall] (946 bytes) or Extensive IP_MASQ Script [Firewall] (18k) that you will need to copy into /etc/rc.d/ and run AFTER you have established a connection to the internet, via PPP or other means. Keep in mind that this script is to be run on your primary internet connection to allow PCs BEHIND the computer with the internet connection to have access to the internet!!
Security Checker (490k) - This program will check over 180 known 'loopholes' that hackers have tried in the past to breech security of a system.. and it will test these loopholes on your computer.
Network Traffic Viewer (45k) Traffic-vis is a network monitoring/auditing tool. It is a tool which can graphically plot communications between hosts on a TCP/IP network and quickly answer questions such as "Who is saturating our Internet link?"
Network Neighborhood for Linux (95k) LinNeighborhood is a X Window System graphical port of Network Neighborhood, running over Samba utilities and the Linux smbfs programs. It permits to browse an SMB (CIFS) network consisting of Samba, Windows (WfWg, 95, 98, NT) and probably (not tested) OS/2, LanManager for DOS and others. It also offers an interface to mount the found shares.
A FREE dhcp server (1.41 megs) - Yes, I know... Do a search on DHCP servers on the web and you will come up with these really nice products, although they cost a fortune. This is a DHCP client with open source, so you can make changes if you feel like it. In zip format, do a "man zip" for info on extracting the file. I might try to figure out how to convert it to a tar or gunzip file because that's the most commonly used compression.
Modules for the DHCP server (504k)
mkisofs (140k) - a utility that you must have in order to burn CDs. cdrecord vers. 1.8 (902k) - another must have utility in order to burn CDs. X-CdRoast (430k) - A GUI Interface CD-Burning Program. Gnome Toaster (421k) - An RPM file that is a GUI interface cd burner program. Supposively one of the best programs out there.
