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CRYPT extension for Netfilter/Iptables allows you to create an encrypted communication using stream and block ciphers. It also authenticates the packets.
brutesshd is an application written in c/php in order to prevent bruteforce attacks through ssh. Brutesshd uses iptables/pfctl tools to block this type of attacks
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SSPE: Simple Security Policy Editor is a simple distributed firewall with an central ascii administration. It uses two plain manually edited ascii-files and some other, static files for each of the target-machines to generate iptables.
Logrep is a tool for collection and presentation of information from various logfiles including snort, squid, postfix, apache, sendmail, iptables/ipchains and nt eventlogs. HTML-reports, multi dimensional analysis, ssh and graphs are available.
syndetector is a software which can detect and drop packet when a synflood attack is detected ! Based on a simple detection system (by the use of iptables and libipq) and on a simple use It is realy easy to setup this software.
SrvReport is a simple and featurefull server monitoring and reporting
system. It will send every day a mail with the latest
state of the server including traffic (via /proc/net/dev and/or iptables), cpu, mail, http, ftp reports
and other logs.
Netfilter tracker is a tracking tool for iptables logs, similar to Checkpoint(tm) Smartview Tracker. Includes storage in an embedded SQL database and a graphical application (viewer) to access filtered data.
Projekt sluzy do administracji ruterem pracujacym pod kontrola systemu Linux i wykonujacym NAT w malej sieci lokalnej. Adminstracja poprzez przegladarke WWW . Wymagania: serwer www apache z obsluga php, baza MySQL, pakiet netfilter z iptables.
RouteIt can help you setup your firewall by generating iptables rules, it can setup Network Address Translation (NAT) and bridge rules in iptables, it can also help you set traffic limitations and more, from a simple web interface.
Linsec is a shell script firstly designed for slackware linux 10 and now supports most of linux distros. Linsec improves security of Linux systems (kernel parameters, network behaviour, iptables, critical files permissions)
nflog is a new target for iptables to log packet via a virtual device, this is similar to pflog under OpenBSD. NFLOG isn't the target provided by ulogd2
etherdam is an IPTables firewall configuration engine; it implements a primitive (and hopefully simple) scripting language as an alternative to direct use of iptables.
MODU is a linux oriented textual dialup toolkit with support for MS callback and iptables. It is intended to be flexible enough to dialup to many ISP without much configuration.
[not maintained anymore] Jay's Iptables Firewall is a script with support for multiple (external/internal) interfaces, TCP/UDP/ICMP control, masquerading, synflood control, spoofing control, port forwarding, VPNs (vtund), ToS, denying hosts, ZorbIPTraff
A python binding for the iptables tools.
The binding allows direction manipulation of the iptables through an object oriented and transaction based manner.
The binding removes the need to call iptable on the command line in python applications.
LPFW aims to be a personal firewall for Linux. It provides a KDE GUI for netfilter/iptables that lists/edits firewall rules, lists running processes, and lists connection attempts. Connection attempts can be accepted/dropped on the fly or permanently.
nf-HiPAC is a high performance packet filter for Linux. It provides the same rich feature set as iptables but uses an advanced algorithm to minimize the number of memory lookups per packet.