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LanBiz is a free, Open Source Server Suite, mostly fitted for SOHO (Small Office/Home Office) environments. The final LanBiz will include: an internet gateway/firewall, proxy, mail, file/print, fax/telephony server and more!
Alfandega is a strong and Modular IpTables Firewall. It provides NAT, port-forwarding, spoofing list, blacklist of crackers and spywares sites, protection for tcp/udp scans, DOS/DDOS and Smurf attacks, TCP tuning, DHCP and PPP support and much more.
IPKungFu is an iptables-based Linuxfirewall. The primary design goals are security, ease of use, and performance, in that order. It takes advantage of advanced features of iptables, tcpwrappers, and the Linux kernel.
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AGT is a powerful console frontend to iptables, supporting nearly all of the iptables extensions. All options can be specified in a configuration file with similar syntax to 'ipf' and 'ipfw'.
Packit is a network auditing tool that allows you to monitor, manipulate, and inject customized IP traffic into your network. This can be valuable for testing firewalls, intrusion detection systems, port scanning, and general TCP/IP auditing.
This is a program that watches your system log files, looking for hack attempts. It instanty reacts to potential security breaches by (for instance) adding firewall rules to cut off the attacker.
This Daemon written in Perl, logs FreeBSD ipfw ip accounting counters every X seconds/minutes, so after rebooting, crashing, flushing, zero out your ipfirewall table, you don't loose any mayor traffic information.
Count traffic from users with dynamic ip addresses. Uses information from application level (Samba, pppd, etc.) to operate on network level (modify ipfw or another firewall rules for traffic counting).
ReAIM is an AOL Instant Messenger Proxy for iptables-based firewalls. It allows direct connections to be made to hosts behind an address-translating firewall. MSN and Windows Messenger are also supported.
a linux netfilter/iptables firewall log summarizer with graphical and command line interface that helps the sysadmin in his daily routine. points of interest can be examined closer to gain further information. you can also run it in command line mode and
A filtering proxy which processes HTTP- and HTML-traffic to enhance
the security: Remove javascript calls, check document types, remove
client infos (operating system, browser version)
LFR is a Linux/Netfilter based firewall/router on a single floppy disk.
Think of it as a micro Linux distribution with a purpose. With LFR you
can take that old 486 with 4 MB of RAM that you have in the closet and
put it to good use. With a pair of ch
Pure-IpChange is a 'master' daemon for pure-ftpd. It restart pure-ftpd with the correct IP address everytime your ip change (-P option for passive mode).
With this daemon, you'll be able to run a pure-ftpd server in passive mode behind a firewall.
GIPTables Firewall is a free set of shell scripts that helps you generate iptables rules for Linux 2.4.x and newer kernels. It is very easy to configure and at present, designed to run on hosts with one or two network cards.
ferm is a tool to maintain and setup complicated firewall rules. It allows one to reduce the task of carefully inserting rules, thus enabling you to spend more time on developing good rules, and less time on writing them.