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OpenVPN

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  Analyzed 25 days ago

OpenVPN is a robust and highly configurable VPN (Virtual Private Network) daemon which can be used to securely link two or more private networks using an encrypted tunnel over the Internet. OpenVPN's principal strengths include wide cross-platform portability, excellent stability, support for ... [More] dynamic IP addresses and NAT, adaptive link compression, single TCP/UDP port usage, a modular design that offloads most crypto tasks to the OpenSSL library, and relatively easy installation that in most cases doesn't require a special kernel module. [Less]

318K lines of code

20 current contributors

about 1 month since last commit

478 users on Open Hub

Moderate Activity
4.37895
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags crypto cryptography encryption firewall infosec interesting it networking privacy security ssl sysadmin 4 more...

iptables

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  Analyzed 5 months ago

iptables is the userspace command line program used to configure the Linux 2.4.x and 2.6.x IPv4 packet filtering ruleset. It is targeted towards system administrators.

29.4K lines of code

18 current contributors

almost 13 years since last commit

336 users on Open Hub

Activity Not Available
4.27273
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags chains filter firewall monitoring netfilter network networking packetfilter packetfiltering rules security sysadmin 1 more...

Snort

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  Analyzed 2 days ago

Snort is a lightweight network intrusion detection system, capable of performing real-time traffic analysis and packet logging on IP networks. It can perform protocol analysis, content searching/matching and can be used to detect a variety of attacks and probes, such as buffer overflows, stealth ... [More] port scans, CGI attacks, SMB probes, OS fingerprinting attempts, and much more. Snort uses a flexible rule based language to describe traffic that it should collect or pass, and a modular detection engine. Snort has a real-time alerting capability, with alert mechanisms for syslog, a user specified file, a UNIX socket, or WinPopup messages to Windows clients using Samba's smbclient. [Less]

311K lines of code

13 current contributors

16 days since last commit

87 users on Open Hub

High Activity
4.09091
   
0 Reviews
I Use This
Mostly written in C++
Licenses: gpl
Tags analysis bsd c detection ethernet firewall hacking ids infosec inline intrusion ips 32 more...

pf

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  Analyzed over 1 year ago

PF (Packet Filter) is OpenBSD's system for filtering TCP/IP traffic, doing Network Address Translation, normalizing and conditioning TCP/IP traffic and providing bandwidth control and packet prioritization. PF has also been ported to FreeBSD, NetBSD, and DragonFly BSD, and is an integral part of MirBSD.

61.5K lines of code

0 current contributors

over 4 years since last commit

71 users on Open Hub

Activity Not Available
4.95833
   
0 Reviews
I Use This
Mostly written in C
Licenses: BSD-3-Clause
Tags bsd dragonflybsd firewall freebsd netbsd network openbsd packetfilter pf security

Privoxy

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  Analyzed over 1 year ago

Privoxy is a web proxy with advanced filtering capabilities for protecting privacy, filtering web page content, managing cookies, controlling access, and removing ads, banners, pop-ups and other obnoxious junk. It is based on the Internet Junkbuster.

73.1K lines of code

0 current contributors

about 4 years since last commit

61 users on Open Hub

Activity Not Available
4.0
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags cache content exposure filter firewall http malicious monitor monitoring privacy protect proxy 6 more...

iodine

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  Analyzed 2 days ago

This is a piece of software that lets you tunnel IPv4 data through a DNS server. This can be usable in different situations where internet access is firewalled, but DNS queries are allowed. It runs on Linux, Windows, Mac OS X, FreeBSD, NetBSD and OpenBSD and needs a TUN/TAP device. The ... [More] bandwidth is assymetrical with limited upstream and up to 1 Mbit/s downstream. [Less]

8.54K lines of code

4 current contributors

2 months since last commit

48 users on Open Hub

Very Low Activity
4.71429
   
0 Reviews
I Use This
Mostly written in C
Licenses: Internet_...
Tags airport bsd dns firewall freebsd hotel hotspot ip linux mac netbsd network 11 more...

pfSense

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  Analyzed over 1 year ago

We make network security easy. With thousands of enterprises using pfSense® software, it is rapidly becoming the world's most popular open source network security solution.

180K lines of code

43 current contributors

over 1 year since last commit

34 users on Open Hub

Activity Not Available
4.54545
   
0 Reviews
I Use This
Mostly written in PHP
Licenses: BSD-2-Clause
Tags captiveportal firewall gateway highavailability hotspot IPsec multiwan NAT netflow OpenVPN packetfilter proxyserver 3 more...

Shorewall

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  Analyzed over 1 year ago

The Shoreline Firewall, more commonly known as "Shorewall", is a high-level tool for configuring Netfilter. You describe your firewall/gateway requirements using entries in a set of configuration files. Shorewall reads those configuration files and with the help of the iptables utility, Shorewall ... [More] configures Netfilter to match your requirements. Shorewall can be used on a dedicated firewall system, a multi-function gateway/router/server or on a standalone GNU/Linux system. Shorewall does not use Netfilter's ipchains compatibility mode; as a consequence, Shorewall can take advantage of Netfilter's connection state tracking capabilities to create a stateful firewall. [Less]

512K lines of code

4 current contributors

about 2 years since last commit

34 users on Open Hub

Activity Not Available
5.0
 
0 Reviews
I Use This
Mostly written in Perl
Licenses: gpl
Tags configuration declarative firewall network rules security

ISPConfig

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  Analyzed over 1 year ago

ISPConfig is an open source hosting control panel for Linux. ISPconfig 3 is capable of managing multiple servers from one control panel. Managed Services and Features *Manage one or more Servers from one Controlpanel (Multiserver Management) *Different permission levels (Administrators ... [More] , Resellers and Clients) + Email user level provided by a roundcube plugin for ISPConfig *Httpd (virtual hosts, domain and IP based) *FTP, SFTP, SCP *DNS (A, CNAME, MX, SRV and TXT Records) *POP3, IMAP *Email-Autoresponder *Server based mail filtering *Advanced email spamfilter and antivirus filter *MySQL client-databases *Webalizer statistics *Harddisk quota *Mail-Quota *Traffic limits and statistics *IP-addresses *SSL *SSI *PHP *Shell-access *Jailed shell access *Firewall *Server monitoring *phpMyAdmin [Less]

249K lines of code

16 current contributors

almost 2 years since last commit

28 users on Open Hub

Activity Not Available
5.0
 
0 Reviews
I Use This
Mostly written in PHP
Licenses: BSD-3-Clause
Tags admin administration antispam antivirus awstats clamav configuration control control_panel dns domain email 35 more...

FireStarter

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  Analyzed over 1 year ago

Firestarter is a firewall tool for Linux, and uses GNOME. You can use the wizard to create a basic firewall, then streamline it further using the dynamic rules. You can open and close ports with a few clicks, or stealth your services giving access only to a select few. It features a real-time hit ... [More] monitor which you can watch as attackers probe your machine for open ports. [Less]

11.4K lines of code

0 current contributors

about 18 years since last commit

16 users on Open Hub

Activity Not Available
4.75
   
0 Reviews
I Use This
Mostly written in C
Licenses: No declared licenses
Tags application c++ desktop firewall gnome gui iptables linux monitoring networking security systems_administration 1 more...